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-rw-r--r--drivers/i2c/busses/Kconfig3
-rw-r--r--drivers/i2c/busses/i2c-ali1535.c7
-rw-r--r--drivers/i2c/busses/i2c-ali1563.c7
-rw-r--r--drivers/i2c/busses/i2c-ali15x3.c10
-rw-r--r--drivers/i2c/busses/i2c-amd756-s4882.c4
-rw-r--r--drivers/i2c/busses/i2c-amd756.c8
-rw-r--r--drivers/i2c/busses/i2c-amd8111.c16
-rw-r--r--drivers/i2c/busses/i2c-elektor.c138
-rw-r--r--drivers/i2c/busses/i2c-hydra.c1
-rw-r--r--drivers/i2c/busses/i2c-i801.c61
-rw-r--r--drivers/i2c/busses/i2c-i810.c2
-rw-r--r--drivers/i2c/busses/i2c-ibm_iic.c3
-rw-r--r--drivers/i2c/busses/i2c-iop3xx.c9
-rw-r--r--drivers/i2c/busses/i2c-isa.c1
-rw-r--r--drivers/i2c/busses/i2c-ixp2000.c8
-rw-r--r--drivers/i2c/busses/i2c-ixp4xx.c8
-rw-r--r--drivers/i2c/busses/i2c-keywest.c5
-rw-r--r--drivers/i2c/busses/i2c-mpc.c4
-rw-r--r--drivers/i2c/busses/i2c-mv64xxx.c6
-rw-r--r--drivers/i2c/busses/i2c-nforce2.c16
-rw-r--r--drivers/i2c/busses/i2c-parport.c11
-rw-r--r--drivers/i2c/busses/i2c-piix4.c13
-rw-r--r--drivers/i2c/busses/i2c-pmac-smu.c3
-rw-r--r--drivers/i2c/busses/i2c-prosavage.c10
-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c10
-rw-r--r--drivers/i2c/busses/i2c-savage4.c1
-rw-r--r--drivers/i2c/busses/i2c-sis5595.c10
-rw-r--r--drivers/i2c/busses/i2c-sis630.c9
-rw-r--r--drivers/i2c/busses/i2c-sis96x.c8
-rw-r--r--drivers/i2c/busses/i2c-via.c7
-rw-r--r--drivers/i2c/busses/i2c-viapro.c271
-rw-r--r--drivers/i2c/busses/i2c-voodoo3.c1
-rw-r--r--drivers/i2c/busses/scx200_acb.c3
33 files changed, 350 insertions, 324 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 3badfec75b1..4010fe92e72 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -135,11 +135,12 @@ config I2C_I810
help
If you say yes to this option, support will be included for the Intel
810/815 family of mainboard I2C interfaces. Specifically, the
- following versions of the chipset is supported:
+ following versions of the chipset are supported:
i810AA
i810AB
i810E
i815
+ i845G
This driver can also be built as a module. If so, the module
will be called i2c-i810.
diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c
index f021acd2674..ba90f5140af 100644
--- a/drivers/i2c/busses/i2c-ali1535.c
+++ b/drivers/i2c/busses/i2c-ali1535.c
@@ -134,7 +134,7 @@
/* -> Read = 1 */
#define ALI1535_SMBIO_EN 0x04 /* SMB I/O Space enable */
-
+static struct pci_driver ali1535_driver;
static unsigned short ali1535_smba;
static DECLARE_MUTEX(i2c_ali1535_sem);
@@ -162,7 +162,8 @@ static int ali1535_setup(struct pci_dev *dev)
goto exit;
}
- if (!request_region(ali1535_smba, ALI1535_SMB_IOSIZE, "ali1535-smb")) {
+ if (!request_region(ali1535_smba, ALI1535_SMB_IOSIZE,
+ ali1535_driver.name)) {
dev_err(&dev->dev, "ALI1535_smb region 0x%x already in use!\n",
ali1535_smba);
goto exit;
@@ -480,7 +481,6 @@ static struct i2c_adapter ali1535_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id ali1535_ids[] = {
@@ -513,6 +513,7 @@ static void __devexit ali1535_remove(struct pci_dev *dev)
}
static struct pci_driver ali1535_driver = {
+ .owner = THIS_MODULE,
.name = "ali1535_smbus",
.id_table = ali1535_ids,
.probe = ali1535_probe,
diff --git a/drivers/i2c/busses/i2c-ali1563.c b/drivers/i2c/busses/i2c-ali1563.c
index 86947504aea..f1a62d89242 100644
--- a/drivers/i2c/busses/i2c-ali1563.c
+++ b/drivers/i2c/busses/i2c-ali1563.c
@@ -60,6 +60,7 @@
#define HST_CNTL2_SIZEMASK 0x38
+static struct pci_driver ali1563_pci_driver;
static unsigned short ali1563_smba;
static int ali1563_transaction(struct i2c_adapter * a, int size)
@@ -350,7 +351,8 @@ static int __devinit ali1563_setup(struct pci_dev * dev)
dev_warn(&dev->dev,"ali1563_smba Uninitialized\n");
goto Err;
}
- if (!request_region(ali1563_smba,ALI1563_SMB_IOSIZE,"i2c-ali1563")) {
+ if (!request_region(ali1563_smba, ALI1563_SMB_IOSIZE,
+ ali1563_pci_driver.name)) {
dev_warn(&dev->dev,"Could not allocate I/O space");
goto Err;
}
@@ -406,7 +408,8 @@ static struct pci_device_id __devinitdata ali1563_id_table[] = {
MODULE_DEVICE_TABLE (pci, ali1563_id_table);
static struct pci_driver ali1563_pci_driver = {
- .name = "ali1563_i2c",
+ .owner = THIS_MODULE,
+ .name = "ali1563_smbus",
.id_table = ali1563_id_table,
.probe = ali1563_probe,
.remove = __devexit_p(ali1563_remove),
diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c
index b3f50bff39a..400b08ed429 100644
--- a/drivers/i2c/busses/i2c-ali15x3.c
+++ b/drivers/i2c/busses/i2c-ali15x3.c
@@ -125,12 +125,13 @@
/* If force_addr is set to anything different from 0, we forcibly enable
the device at the given address. */
-static u16 force_addr = 0;
+static u16 force_addr;
module_param(force_addr, ushort, 0);
MODULE_PARM_DESC(force_addr,
"Initialize the base address of the i2c controller");
-static unsigned short ali15x3_smba = 0;
+static struct pci_driver ali15x3_driver;
+static unsigned short ali15x3_smba;
static int ali15x3_setup(struct pci_dev *ALI15X3_dev)
{
@@ -166,7 +167,8 @@ static int ali15x3_setup(struct pci_dev *ALI15X3_dev)
if(force_addr)
ali15x3_smba = force_addr & ~(ALI15X3_SMB_IOSIZE - 1);
- if (!request_region(ali15x3_smba, ALI15X3_SMB_IOSIZE, "ali15x3-smb")) {
+ if (!request_region(ali15x3_smba, ALI15X3_SMB_IOSIZE,
+ ali15x3_driver.name)) {
dev_err(&ALI15X3_dev->dev,
"ALI15X3_smb region 0x%x already in use!\n",
ali15x3_smba);
@@ -470,7 +472,6 @@ static struct i2c_adapter ali15x3_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id ali15x3_ids[] = {
@@ -503,6 +504,7 @@ static void __devexit ali15x3_remove(struct pci_dev *dev)
}
static struct pci_driver ali15x3_driver = {
+ .owner = THIS_MODULE,
.name = "ali15x3_smbus",
.id_table = ali15x3_ids,
.probe = ali15x3_probe,
diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c
index 4e553e8c5cb..f51ab652300 100644
--- a/drivers/i2c/busses/i2c-amd756-s4882.c
+++ b/drivers/i2c/busses/i2c-amd756-s4882.c
@@ -169,12 +169,12 @@ static int __init amd756_s4882_init(void)
init_MUTEX(&amd756_lock);
/* Define the 5 virtual adapters and algorithms structures */
- if (!(s4882_adapter = kmalloc(5 * sizeof(struct i2c_adapter),
+ if (!(s4882_adapter = kzalloc(5 * sizeof(struct i2c_adapter),
GFP_KERNEL))) {
error = -ENOMEM;
goto ERROR1;
}
- if (!(s4882_algo = kmalloc(5 * sizeof(struct i2c_algorithm),
+ if (!(s4882_algo = kzalloc(5 * sizeof(struct i2c_algorithm),
GFP_KERNEL))) {
error = -ENOMEM;
goto ERROR2;
diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index 6ad0603384b..de035d137c3 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -85,8 +85,8 @@
#define AMD756_PROCESS_CALL 0x04
#define AMD756_BLOCK_DATA 0x05
-
-static unsigned short amd756_ioport = 0;
+static struct pci_driver amd756_driver;
+static unsigned short amd756_ioport;
/*
SMBUS event = I/O 28-29 bit 11
@@ -303,7 +303,6 @@ struct i2c_adapter amd756_smbus = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
enum chiptype { AMD756, AMD766, AMD768, NFORCE, AMD8111 };
@@ -365,7 +364,7 @@ static int __devinit amd756_probe(struct pci_dev *pdev,
amd756_ioport += SMB_ADDR_OFFSET;
}
- if (!request_region(amd756_ioport, SMB_IOSIZE, "amd756-smbus")) {
+ if (!request_region(amd756_ioport, SMB_IOSIZE, amd756_driver.name)) {
dev_err(&pdev->dev, "SMB region 0x%x already in use!\n",
amd756_ioport);
return -ENODEV;
@@ -402,6 +401,7 @@ static void __devexit amd756_remove(struct pci_dev *dev)
}
static struct pci_driver amd756_driver = {
+ .owner = THIS_MODULE,
.name = "amd756_smbus",
.id_table = amd756_ids,
.probe = amd756_probe,
diff --git a/drivers/i2c/busses/i2c-amd8111.c b/drivers/i2c/busses/i2c-amd8111.c
index 45ea24ba14d..f3b79a68dbe 100644
--- a/drivers/i2c/busses/i2c-amd8111.c
+++ b/drivers/i2c/busses/i2c-amd8111.c
@@ -30,6 +30,8 @@ struct amd_smbus {
int size;
};
+static struct pci_driver amd8111_driver;
+
/*
* AMD PCI control registers definitions.
*/
@@ -242,7 +244,6 @@ static s32 amd8111_access(struct i2c_adapter * adap, u16 addr, unsigned short fl
break;
case I2C_SMBUS_BLOCK_PROC_CALL:
- protocol |= pec;
len = min_t(u8, data->block[0], 31);
amd_ec_write(smbus, AMD_SMB_CMD, command);
amd_ec_write(smbus, AMD_SMB_BCNT, len);
@@ -252,13 +253,6 @@ static s32 amd8111_access(struct i2c_adapter * adap, u16 addr, unsigned short fl
read_write = I2C_SMBUS_READ;
break;
- case I2C_SMBUS_WORD_DATA_PEC:
- case I2C_SMBUS_BLOCK_DATA_PEC:
- case I2C_SMBUS_PROC_CALL_PEC:
- case I2C_SMBUS_BLOCK_PROC_CALL_PEC:
- dev_warn(&adap->dev, "Unexpected software PEC transaction %d\n.", size);
- return -1;
-
default:
dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
return -1;
@@ -343,16 +337,15 @@ static int __devinit amd8111_probe(struct pci_dev *dev, const struct pci_device_
if (~pci_resource_flags(dev, 0) & IORESOURCE_IO)
return -ENODEV;
- smbus = kmalloc(sizeof(struct amd_smbus), GFP_KERNEL);
+ smbus = kzalloc(sizeof(struct amd_smbus), GFP_KERNEL);
if (!smbus)
return -ENOMEM;
- memset(smbus, 0, sizeof(struct amd_smbus));
smbus->dev = dev;
smbus->base = pci_resource_start(dev, 0);
smbus->size = pci_resource_len(dev, 0);
- if (!request_region(smbus->base, smbus->size, "amd8111 SMBus 2.0"))
+ if (!request_region(smbus->base, smbus->size, amd8111_driver.name))
goto out_kfree;
smbus->adapter.owner = THIS_MODULE;
@@ -391,6 +384,7 @@ static void __devexit amd8111_remove(struct pci_dev *dev)
}
static struct pci_driver amd8111_driver = {
+ .owner = THIS_MODULE,
.name = "amd8111_smbus2",
.id_table = amd8111_ids,
.probe = amd8111_probe,
diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c
index 6930b660e50..59f8308c235 100644
--- a/drivers/i2c/busses/i2c-elektor.c
+++ b/drivers/i2c/busses/i2c-elektor.c
@@ -22,7 +22,7 @@
/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
Frodo Looijaard <frodol@dds.nl> */
-/* Partialy rewriten by Oleg I. Vdovikin for mmapped support of
+/* Partialy rewriten by Oleg I. Vdovikin for mmapped support of
for Alpha Processor Inc. UP-2000(+) boards */
#include <linux/kernel.h>
@@ -46,12 +46,14 @@
#define DEFAULT_BASE 0x330
static int base;
+static u8 __iomem *base_iomem;
+
static int irq;
static int clock = 0x1c;
static int own = 0x55;
static int mmapped;
-/* vdovikin: removed static struct i2c_pcf_isa gpi; code -
+/* vdovikin: removed static struct i2c_pcf_isa gpi; code -
this module in real supports only one device, due to missing arguments
in some functions, called from the algo-pcf module. Sometimes it's
need to be rewriten - but for now just remove this for simpler reading */
@@ -60,40 +62,33 @@ static wait_queue_head_t pcf_wait;
static int pcf_pending;
static spinlock_t lock;
+static struct i2c_adapter pcf_isa_ops;
+
/* ----- local functions ---------------------------------------------- */
static void pcf_isa_setbyte(void *data, int ctl, int val)
{
- int address = ctl ? (base + 1) : base;
+ u8 __iomem *address = ctl ? (base_iomem + 1) : base_iomem;
/* enable irq if any specified for serial operation */
if (ctl && irq && (val & I2C_PCF_ESO)) {
val |= I2C_PCF_ENI;
}
- pr_debug("i2c-elektor: Write 0x%X 0x%02X\n", address, val & 255);
-
- switch (mmapped) {
- case 0: /* regular I/O */
- outb(val, address);
- break;
- case 2: /* double mapped I/O needed for UP2000 board,
- I don't know why this... */
- writeb(val, (void *)address);
- /* fall */
- case 1: /* memory mapped I/O */
- writeb(val, (void *)address);
- break;
- }
+ pr_debug("%s: Write %p 0x%02X\n", pcf_isa_ops.name, address, val);
+ iowrite8(val, address);
+#ifdef __alpha__
+ /* API UP2000 needs some hardware fudging to make the write stick */
+ iowrite8(val, address);
+#endif
}
static int pcf_isa_getbyte(void *data, int ctl)
{
- int address = ctl ? (base + 1) : base;
- int val = mmapped ? readb((void *)address) : inb(address);
-
- pr_debug("i2c-elektor: Read 0x%X 0x%02X\n", address, val);
+ u8 __iomem *address = ctl ? (base_iomem + 1) : base_iomem;
+ int val = ioread8(address);
+ pr_debug("%s: Read %p 0x%02X\n", pcf_isa_ops.name, address, val);
return (val);
}
@@ -149,16 +144,40 @@ static int pcf_isa_init(void)
{
spin_lock_init(&lock);
if (!mmapped) {
- if (!request_region(base, 2, "i2c (isa bus adapter)")) {
- printk(KERN_ERR
- "i2c-elektor: requested I/O region (0x%X:2) "
- "is in use.\n", base);
+ if (!request_region(base, 2, pcf_isa_ops.name)) {
+ printk(KERN_ERR "%s: requested I/O region (%#x:2) is "
+ "in use\n", pcf_isa_ops.name, base);
+ return -ENODEV;
+ }
+ base_iomem = ioport_map(base, 2);
+ if (!base_iomem) {
+ printk(KERN_ERR "%s: remap of I/O region %#x failed\n",
+ pcf_isa_ops.name, base);
+ release_region(base, 2);
+ return -ENODEV;
+ }
+ } else {
+ if (!request_mem_region(base, 2, pcf_isa_ops.name)) {
+ printk(KERN_ERR "%s: requested memory region (%#x:2) "
+ "is in use\n", pcf_isa_ops.name, base);
+ return -ENODEV;
+ }
+ base_iomem = ioremap(base, 2);
+ if (base_iomem == NULL) {
+ printk(KERN_ERR "%s: remap of memory region %#x "
+ "failed\n", pcf_isa_ops.name, base);
+ release_mem_region(base, 2);
return -ENODEV;
}
}
+ pr_debug("%s: registers %#x remapped to %p\n", pcf_isa_ops.name, base,
+ base_iomem);
+
if (irq > 0) {
- if (request_irq(irq, pcf_isa_handler, 0, "PCF8584", NULL) < 0) {
- printk(KERN_ERR "i2c-elektor: Request irq%d failed\n", irq);
+ if (request_irq(irq, pcf_isa_handler, 0, pcf_isa_ops.name,
+ NULL) < 0) {
+ printk(KERN_ERR "%s: Request irq%d failed\n",
+ pcf_isa_ops.name, irq);
irq = 0;
} else
enable_irq(irq);
@@ -186,47 +205,49 @@ static struct i2c_adapter pcf_isa_ops = {
.class = I2C_CLASS_HWMON,
.id = I2C_HW_P_ELEK,
.algo_data = &pcf_isa_data,
- .name = "PCF8584 ISA adapter",
+ .name = "i2c-elektor",
};
-static int __init i2c_pcfisa_init(void)
+static int __init i2c_pcfisa_init(void)
{
#ifdef __alpha__
- /* check to see we have memory mapped PCF8584 connected to the
+ /* check to see we have memory mapped PCF8584 connected to the
Cypress cy82c693 PCI-ISA bridge as on UP2000 board */
if (base == 0) {
struct pci_dev *cy693_dev;
-
- cy693_dev = pci_get_device(PCI_VENDOR_ID_CONTAQ,
+
+ cy693_dev = pci_get_device(PCI_VENDOR_ID_CONTAQ,
PCI_DEVICE_ID_CONTAQ_82C693, NULL);
if (cy693_dev) {
- char config;
+ unsigned char config;
/* yeap, we've found cypress, let's check config */
if (!pci_read_config_byte(cy693_dev, 0x47, &config)) {
-
- pr_debug("i2c-elektor: found cy82c693, config register 0x47 = 0x%02x.\n", config);
+
+ pr_debug("%s: found cy82c693, config "
+ "register 0x47 = 0x%02x\n",
+ pcf_isa_ops.name, config);
/* UP2000 board has this register set to 0xe1,
- but the most significant bit as seems can be
+ but the most significant bit as seems can be
reset during the proper initialisation
- sequence if guys from API decides to do that
- (so, we can even enable Tsunami Pchip
- window for the upper 1 Gb) */
+ sequence if guys from API decides to do that
+ (so, we can even enable Tsunami Pchip
+ window for the upper 1 Gb) */
/* so just check for ROMCS at 0xe0000,
- ROMCS enabled for writes
+ ROMCS enabled for writes
and external XD Bus buffer in use. */
if ((config & 0x7f) == 0x61) {
/* seems to be UP2000 like board */
base = 0xe0000;
- /* I don't know why we need to
- write twice */
- mmapped = 2;
- /* UP2000 drives ISA with
+ mmapped = 1;
+ /* UP2000 drives ISA with
8.25 MHz (PCI/4) clock
(this can be read from cypress) */
clock = I2C_PCF_CLK | I2C_PCF_TRNS90;
- printk(KERN_INFO "i2c-elektor: found API UP2000 like board, will probe PCF8584 later.\n");
+ pr_info("%s: found API UP2000 like "
+ "board, will probe PCF8584 "
+ "later\n", pcf_isa_ops.name);
}
}
pci_dev_put(cy693_dev);
@@ -236,12 +257,11 @@ static int __init i2c_pcfisa_init(void)
/* sanity checks for mmapped I/O */
if (mmapped && base < 0xc8000) {
- printk(KERN_ERR "i2c-elektor: incorrect base address (0x%0X) specified for mmapped I/O.\n", base);
+ printk(KERN_ERR "%s: incorrect base address (%#x) specified "
+ "for mmapped I/O\n", pcf_isa_ops.name, base);
return -ENODEV;
}
- printk(KERN_INFO "i2c-elektor: i2c pcf8584-isa adapter driver\n");
-
if (base == 0) {
base = DEFAULT_BASE;
}
@@ -251,8 +271,8 @@ static int __init i2c_pcfisa_init(void)
return -ENODEV;
if (i2c_pcf_add_bus(&pcf_isa_ops) < 0)
goto fail;
-
- printk(KERN_ERR "i2c-elektor: found device at %#x.\n", base);
+
+ dev_info(&pcf_isa_ops.dev, "found device at %#x\n", base);
return 0;
@@ -262,8 +282,13 @@ static int __init i2c_pcfisa_init(void)
free_irq(irq, NULL);
}
- if (!mmapped)
- release_region(base , 2);
+ if (!mmapped) {
+ ioport_unmap(base_iomem);
+ release_region(base, 2);
+ } else {
+ iounmap(base_iomem);
+ release_mem_region(base, 2);
+ }
return -ENODEV;
}
@@ -276,8 +301,13 @@ static void i2c_pcfisa_exit(void)
free_irq(irq, NULL);
}
- if (!mmapped)
- release_region(base , 2);
+ if (!mmapped) {
+ ioport_unmap(base_iomem);
+ release_region(base, 2);
+ } else {
+ iounmap(base_iomem);
+ release_mem_region(base, 2);
+ }
}
MODULE_AUTHOR("Hans Berglund <hb@spacetec.no>");
diff --git a/drivers/i2c/busses/i2c-hydra.c b/drivers/i2c/busses/i2c-hydra.c
index e0cb3b0f92f..1b5354e24bf 100644
--- a/drivers/i2c/busses/i2c-hydra.c
+++ b/drivers/i2c/busses/i2c-hydra.c
@@ -155,6 +155,7 @@ static void __devexit hydra_remove(struct pci_dev *dev)
static struct pci_driver hydra_driver = {
+ .owner = THIS_MODULE,
.name = "hydra_smbus",
.id_table = hydra_ids,
.probe = hydra_probe,
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 709beab7660..4f63195069d 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -52,10 +52,6 @@
#include <linux/i2c.h>
#include <asm/io.h>
-#ifdef I2C_FUNC_SMBUS_BLOCK_DATA_PEC
-#define HAVE_PEC
-#endif
-
/* I801 SMBus address offsets */
#define SMBHSTSTS (0 + i801_smba)
#define SMBHSTCNT (2 + i801_smba)
@@ -106,10 +102,11 @@ MODULE_PARM_DESC(force_addr,
"EXTREMELY DANGEROUS!");
static int i801_transaction(void);
-static int i801_block_transaction(union i2c_smbus_data *data,
- char read_write, int command);
+static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
+ int command, int hwpec);
static unsigned short i801_smba;
+static struct pci_driver i801_driver;
static struct pci_dev *I801_dev;
static int isich4;
@@ -143,7 +140,7 @@ static int i801_setup(struct pci_dev *dev)
}
}
- if (!request_region(i801_smba, (isich4 ? 16 : 8), "i801-smbus")) {
+ if (!request_region(i801_smba, (isich4 ? 16 : 8), i801_driver.name)) {
dev_err(&dev->dev, "I801_smb region 0x%x already in use!\n",
i801_smba);
error_return = -EBUSY;
@@ -252,7 +249,7 @@ static int i801_transaction(void)
/* All-inclusive block transaction function */
static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
- int command)
+ int command, int hwpec)
{
int i, len;
int smbcmd;
@@ -391,8 +388,7 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
goto END;
}
-#ifdef HAVE_PEC
- if(isich4 && command == I2C_SMBUS_BLOCK_DATA_PEC) {
+ if (hwpec) {
/* wait for INTR bit as advised by Intel */
timeout = 0;
do {
@@ -406,7 +402,6 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
}
outb_p(temp, SMBHSTSTS);
}
-#endif
result = 0;
END:
if (command == I2C_SMBUS_I2C_BLOCK_DATA) {
@@ -421,14 +416,13 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
unsigned short flags, char read_write, u8 command,
int size, union i2c_smbus_data * data)
{
- int hwpec = 0;
+ int hwpec;
int block = 0;
int ret, xact = 0;
-#ifdef HAVE_PEC
- if(isich4)
- hwpec = (flags & I2C_CLIENT_PEC) != 0;
-#endif
+ hwpec = isich4 && (flags & I2C_CLIENT_PEC)
+ && size != I2C_SMBUS_QUICK
+ && size != I2C_SMBUS_I2C_BLOCK_DATA;
switch (size) {
case I2C_SMBUS_QUICK:
@@ -463,11 +457,6 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
break;
case I2C_SMBUS_BLOCK_DATA:
case I2C_SMBUS_I2C_BLOCK_DATA:
-#ifdef HAVE_PEC
- case I2C_SMBUS_BLOCK_DATA_PEC:
- if(hwpec && size == I2C_SMBUS_BLOCK_DATA)
- size = I2C_SMBUS_BLOCK_DATA_PEC;
-#endif
outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
SMBHSTADD);
outb_p(command, SMBHSTCMD);
@@ -479,27 +468,18 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
return -1;
}
-#ifdef HAVE_PEC
- if(isich4 && hwpec) {
- if(size != I2C_SMBUS_QUICK &&
- size != I2C_SMBUS_I2C_BLOCK_DATA)
- outb_p(1, SMBAUXCTL); /* enable HW PEC */
- }
-#endif
+ if (hwpec)
+ outb_p(1, SMBAUXCTL); /* enable hardware PEC */
+
if(block)
- ret = i801_block_transaction(data, read_write, size);
+ ret = i801_block_transaction(data, read_write, size, hwpec);
else {
outb_p(xact | ENABLE_INT9, SMBHSTCNT);
ret = i801_transaction();
}
-#ifdef HAVE_PEC
- if(isich4 && hwpec) {
- if(size != I2C_SMBUS_QUICK &&
- size != I2C_SMBUS_I2C_BLOCK_DATA)
- outb_p(0, SMBAUXCTL);
- }
-#endif
+ if (hwpec)
+ outb_p(0, SMBAUXCTL); /* disable hardware PEC */
if(block)
return ret;
@@ -526,12 +506,7 @@ static u32 i801_func(struct i2c_adapter *adapter)
return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK
-#ifdef HAVE_PEC
- | (isich4 ? I2C_FUNC_SMBUS_BLOCK_DATA_PEC |
- I2C_FUNC_SMBUS_HWPEC_CALC
- : 0)
-#endif
- ;
+ | (isich4 ? I2C_FUNC_SMBUS_HWPEC_CALC : 0);
}
static struct i2c_algorithm smbus_algorithm = {
@@ -543,7 +518,6 @@ static struct i2c_adapter i801_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id i801_ids[] = {
@@ -586,6 +560,7 @@ static void __devexit i801_remove(struct pci_dev *dev)
}
static struct pci_driver i801_driver = {
+ .owner = THIS_MODULE,
.name = "i801_smbus",
.id_table = i801_ids,
.probe = i801_probe,
diff --git a/drivers/i2c/busses/i2c-i810.c b/drivers/i2c/busses/i2c-i810.c
index 0ff7016e062..52bc30593bd 100644
--- a/drivers/i2c/busses/i2c-i810.c
+++ b/drivers/i2c/busses/i2c-i810.c
@@ -32,6 +32,7 @@
i810AB 7123
i810E 7125
i815 1132
+ i845G 2562
*/
#include <linux/kernel.h>
@@ -232,6 +233,7 @@ static void __devexit i810_remove(struct pci_dev *dev)
}
static struct pci_driver i810_driver = {
+ .owner = THIS_MODULE,
.name = "i810_smbus",
.id_table = i810_ids,
.probe = i810_probe,
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index a3ed9590f02..1a587253d71 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -672,13 +672,12 @@ static int __devinit iic_probe(struct ocp_device *ocp){
printk(KERN_WARNING"ibm-iic%d: missing additional data!\n",
ocp->def->index);
- if (!(dev = kmalloc(sizeof(*dev), GFP_KERNEL))){
+ if (!(dev = kzalloc(sizeof(*dev), GFP_KERNEL))) {
printk(KERN_CRIT "ibm-iic%d: failed to allocate device data\n",
ocp->def->index);
return -ENOMEM;
}
- memset(dev, 0, sizeof(*dev));
dev->idx = ocp->def->index;
ocp_set_drvdata(ocp, dev);
diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
index 7bd9102db70..9888fae1f37 100644
--- a/drivers/i2c/busses/i2c-iop3xx.c
+++ b/drivers/i2c/busses/i2c-iop3xx.c
@@ -43,7 +43,7 @@
#include "i2c-iop3xx.h"
/* global unit counter */
-static int i2c_id = 0;
+static int i2c_id;
static inline unsigned char
iic_cook_addr(struct i2c_msg *msg)
@@ -440,19 +440,17 @@ iop3xx_i2c_probe(struct device *dev)
struct i2c_adapter *new_adapter;
struct i2c_algo_iop3xx_data *adapter_data;
- new_adapter = kmalloc(sizeof(struct i2c_adapter), GFP_KERNEL);
+ new_adapter = kzalloc(sizeof(struct i2c_adapter), GFP_KERNEL);
if (!new_adapter) {
ret = -ENOMEM;
goto out;
}
- memset((void*)new_adapter, 0, sizeof(*new_adapter));
- adapter_data = kmalloc(sizeof(struct i2c_algo_iop3xx_data), GFP_KERNEL);
+ adapter_data = kzalloc(sizeof(struct i2c_algo_iop3xx_data), GFP_KERNEL);
if (!adapter_data) {
ret = -ENOMEM;
goto free_adapter;
}
- memset((void*)adapter_data, 0, sizeof(*adapter_data));
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -525,6 +523,7 @@ out:
static struct device_driver iop3xx_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "IOP3xx-I2C",
.bus = &platform_bus_type,
.probe = iop3xx_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-isa.c b/drivers/i2c/busses/i2c-isa.c
index bdc6806dafa..4fdc0241160 100644
--- a/drivers/i2c/busses/i2c-isa.c
+++ b/drivers/i2c/busses/i2c-isa.c
@@ -92,6 +92,7 @@ int i2c_isa_add_driver(struct i2c_driver *driver)
/* Add the driver to the list of i2c drivers in the driver core */
driver->driver.name = driver->name;
+ driver->driver.owner = driver->owner;
driver->driver.bus = &i2c_bus_type;
driver->driver.probe = i2c_isa_device_probe;
driver->driver.remove = i2c_isa_device_remove;
diff --git a/drivers/i2c/busses/i2c-ixp2000.c b/drivers/i2c/busses/i2c-ixp2000.c
index 1956af382cd..42016ee6ef1 100644
--- a/drivers/i2c/busses/i2c-ixp2000.c
+++ b/drivers/i2c/busses/i2c-ixp2000.c
@@ -36,6 +36,8 @@
#include <asm/hardware.h> /* Pick up IXP2000-specific bits */
#include <asm/arch/gpio.h>
+static struct device_driver ixp2000_i2c_driver;
+
static inline int ixp2000_scl_pin(void *data)
{
return ((struct ixp2000_i2c_pins*)data)->scl_pin;
@@ -104,11 +106,10 @@ static int ixp2000_i2c_probe(struct device *dev)
struct platform_device *plat_dev = to_platform_device(dev);
struct ixp2000_i2c_pins *gpio = plat_dev->dev.platform_data;
struct ixp2000_i2c_data *drv_data =
- kmalloc(sizeof(struct ixp2000_i2c_data), GFP_KERNEL);
+ kzalloc(sizeof(struct ixp2000_i2c_data), GFP_KERNEL);
if (!drv_data)
return -ENOMEM;
- memzero(drv_data, sizeof(*drv_data));
drv_data->gpio_pins = gpio;
drv_data->algo_data.data = gpio;
@@ -121,6 +122,8 @@ static int ixp2000_i2c_probe(struct device *dev)
drv_data->algo_data.timeout = 100;
drv_data->adapter.id = I2C_HW_B_IXP2000,
+ strlcpy(drv_data->adapter.name, ixp2000_i2c_driver.name,
+ I2C_NAME_SIZE);
drv_data->adapter.algo_data = &drv_data->algo_data,
drv_data->adapter.dev.parent = &plat_dev->dev;
@@ -142,6 +145,7 @@ static int ixp2000_i2c_probe(struct device *dev)
}
static struct device_driver ixp2000_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "IXP2000-I2C",
.bus = &platform_bus_type,
.probe = ixp2000_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-ixp4xx.c b/drivers/i2c/busses/i2c-ixp4xx.c
index f6f5ca31fdb..69303ab65e0 100644
--- a/drivers/i2c/busses/i2c-ixp4xx.c
+++ b/drivers/i2c/busses/i2c-ixp4xx.c
@@ -35,6 +35,8 @@
#include <asm/hardware.h> /* Pick up IXP4xx-specific bits */
+static struct device_driver ixp4xx_i2c_driver;
+
static inline int ixp4xx_scl_pin(void *data)
{
return ((struct ixp4xx_i2c_pins*)data)->scl_pin;
@@ -105,12 +107,11 @@ static int ixp4xx_i2c_probe(struct device *dev)
struct platform_device *plat_dev = to_platform_device(dev);
struct ixp4xx_i2c_pins *gpio = plat_dev->dev.platform_data;
struct ixp4xx_i2c_data *drv_data =
- kmalloc(sizeof(struct ixp4xx_i2c_data), GFP_KERNEL);
+ kzalloc(sizeof(struct ixp4xx_i2c_data), GFP_KERNEL);
if(!drv_data)
return -ENOMEM;
- memzero(drv_data, sizeof(struct ixp4xx_i2c_data));
drv_data->gpio_pins = gpio;
/*
@@ -129,6 +130,8 @@ static int ixp4xx_i2c_probe(struct device *dev)
drv_data->algo_data.timeout = 100;
drv_data->adapter.id = I2C_HW_B_IXP4XX;
+ strlcpy(drv_data->adapter.name, ixp4xx_i2c_driver.name,
+ I2C_NAME_SIZE);
drv_data->adapter.algo_data = &drv_data->algo_data;
drv_data->adapter.dev.parent = &plat_dev->dev;
@@ -151,6 +154,7 @@ static int ixp4xx_i2c_probe(struct device *dev)
}
static struct device_driver ixp4xx_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "IXP4XX-I2C",
.bus = &platform_bus_type,
.probe = ixp4xx_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-keywest.c b/drivers/i2c/busses/i2c-keywest.c
index eff5896ce86..d61f748278f 100644
--- a/drivers/i2c/busses/i2c-keywest.c
+++ b/drivers/i2c/busses/i2c-keywest.c
@@ -535,13 +535,12 @@ create_iface(struct device_node *np, struct device *dev)
tsize = sizeof(struct keywest_iface) +
(sizeof(struct keywest_chan) + 4) * nchan;
- iface = (struct keywest_iface *) kmalloc(tsize, GFP_KERNEL);
+ iface = kzalloc(tsize, GFP_KERNEL);
if (iface == NULL) {
printk(KERN_ERR "i2c-keywest: can't allocate inteface !\n");
pmac_low_i2c_unlock(np);
return -ENOMEM;
}
- memset(iface, 0, tsize);
spin_lock_init(&iface->lock);
init_completion(&iface->complete);
iface->node = of_node_get(np);
@@ -716,6 +715,7 @@ static struct of_device_id i2c_keywest_match[] =
static struct macio_driver i2c_keywest_macio_driver =
{
+ .owner = THIS_MODULE,
.name = "i2c-keywest",
.match_table = i2c_keywest_match,
.probe = create_iface_macio,
@@ -724,6 +724,7 @@ static struct macio_driver i2c_keywest_macio_driver =
static struct of_platform_driver i2c_keywest_of_platform_driver =
{
+ .owner = THIS_MODULE,
.name = "i2c-keywest",
.match_table = i2c_keywest_match,
.probe = create_iface_of_platform,
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index f065583ddcf..8491633005b 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -296,10 +296,9 @@ static int fsl_i2c_probe(struct device *device)
pdata = (struct fsl_i2c_platform_data *) pdev->dev.platform_data;
- if (!(i2c = kmalloc(sizeof(*i2c), GFP_KERNEL))) {
+ if (!(i2c = kzalloc(sizeof(*i2c), GFP_KERNEL))) {
return -ENOMEM;
}
- memset(i2c, 0, sizeof(*i2c));
i2c->irq = platform_get_irq(pdev, 0);
i2c->flags = pdata->device_flags;
@@ -361,6 +360,7 @@ static int fsl_i2c_remove(struct device *device)
/* Structure for a device driver */
static struct device_driver fsl_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "fsl-i2c",
.bus = &platform_bus_type,
.probe = fsl_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 99abca45fec..d0d2a6f1386 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -500,13 +500,10 @@ mv64xxx_i2c_probe(struct device *dev)
if ((pd->id != 0) || !pdata)
return -ENODEV;
- drv_data = kmalloc(sizeof(struct mv64xxx_i2c_data), GFP_KERNEL);
-
+ drv_data = kzalloc(sizeof(struct mv64xxx_i2c_data), GFP_KERNEL);
if (!drv_data)
return -ENOMEM;
- memset(drv_data, 0, sizeof(struct mv64xxx_i2c_data));
-
if (mv64xxx_i2c_map_regs(pd, drv_data)) {
rc = -ENODEV;
goto exit_kfree;
@@ -570,6 +567,7 @@ mv64xxx_i2c_remove(struct device *dev)
}
static struct device_driver mv64xxx_i2c_driver = {
+ .owner = THIS_MODULE,
.name = MV64XXX_I2C_CTLR_NAME,
.bus = &platform_bus_type,
.probe = mv64xxx_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c
index fe9c0f42a2b..fd26036e68a 100644
--- a/drivers/i2c/busses/i2c-nforce2.c
+++ b/drivers/i2c/busses/i2c-nforce2.c
@@ -97,6 +97,7 @@ struct nforce2_smbus {
#define NVIDIA_SMB_PRTCL_I2C_BLOCK_DATA 0x4a
#define NVIDIA_SMB_PRTCL_PEC 0x80
+static struct pci_driver nforce2_driver;
static s32 nforce2_access(struct i2c_adapter *adap, u16 addr,
unsigned short flags, char read_write,
@@ -113,7 +114,6 @@ static struct i2c_adapter nforce2_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
/* Return -1 on error. See smbus.h for more information */
@@ -188,13 +188,6 @@ static s32 nforce2_access(struct i2c_adapter * adap, u16 addr,
dev_err(&adap->dev, "I2C_SMBUS_BLOCK_PROC_CALL not supported!\n");
return -1;
- case I2C_SMBUS_WORD_DATA_PEC:
- case I2C_SMBUS_BLOCK_DATA_PEC:
- case I2C_SMBUS_PROC_CALL_PEC:
- case I2C_SMBUS_BLOCK_PROC_CALL_PEC:
- dev_err(&adap->dev, "Unexpected software PEC transaction %d\n.", size);
- return -1;
-
default:
dev_err(&adap->dev, "Unsupported transaction %d\n", size);
return -1;
@@ -285,7 +278,7 @@ static int __devinit nforce2_probe_smb (struct pci_dev *dev, int reg,
smbus->base = iobase & 0xfffc;
smbus->size = 8;
- if (!request_region(smbus->base, smbus->size, "nForce2 SMBus")) {
+ if (!request_region(smbus->base, smbus->size, nforce2_driver.name)) {
dev_err(&smbus->adapter.dev, "Error requesting region %02x .. %02X for %s\n",
smbus->base, smbus->base+smbus->size-1, name);
return -1;
@@ -313,10 +306,8 @@ static int __devinit nforce2_probe(struct pci_dev *dev, const struct pci_device_
int res1, res2;
/* we support 2 SMBus adapters */
- if (!(smbuses = (void *)kmalloc(2*sizeof(struct nforce2_smbus),
- GFP_KERNEL)))
+ if (!(smbuses = kzalloc(2*sizeof(struct nforce2_smbus), GFP_KERNEL)))
return -ENOMEM;
- memset (smbuses, 0, 2*sizeof(struct nforce2_smbus));
pci_set_drvdata(dev, smbuses);
/* SMBus adapter 1 */
@@ -356,6 +347,7 @@ static void __devexit nforce2_remove(struct pci_dev *dev)
}
static struct pci_driver nforce2_driver = {
+ .owner = THIS_MODULE,
.name = "nForce2_smbus",
.id_table = nforce2_ids,
.probe = nforce2_probe,
diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c
index 71a2502fe06..2854d858fc9 100644
--- a/drivers/i2c/busses/i2c-parport.c
+++ b/drivers/i2c/busses/i2c-parport.c
@@ -155,12 +155,11 @@ static void i2c_parport_attach (struct parport *port)
{
struct i2c_par *adapter;
- adapter = kmalloc(sizeof(struct i2c_par), GFP_KERNEL);
+ adapter = kzalloc(sizeof(struct i2c_par), GFP_KERNEL);
if (adapter == NULL) {
- printk(KERN_ERR "i2c-parport: Failed to kmalloc\n");
+ printk(KERN_ERR "i2c-parport: Failed to kzalloc\n");
return;
}
- memset(adapter, 0x00, sizeof(struct i2c_par));
pr_debug("i2c-parport: attaching to %s\n", port->name);
adapter->pdev = parport_register_device(port, "i2c-parport",
@@ -232,7 +231,7 @@ static void i2c_parport_detach (struct parport *port)
}
}
-static struct parport_driver i2c_driver = {
+static struct parport_driver i2c_parport_driver = {
.name = "i2c-parport",
.attach = i2c_parport_attach,
.detach = i2c_parport_detach,
@@ -250,12 +249,12 @@ static int __init i2c_parport_init(void)
type = 0;
}
- return parport_register_driver(&i2c_driver);
+ return parport_register_driver(&i2c_parport_driver);
}
static void __exit i2c_parport_exit(void)
{
- parport_unregister_driver(&i2c_driver);
+ parport_unregister_driver(&i2c_parport_driver);
}
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index 6d48a4da7be..7d63eec423f 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -90,13 +90,13 @@ struct sd {
/* If force is set to anything different from 0, we forcibly enable the
PIIX4. DANGEROUS! */
-static int force = 0;
+static int force;
module_param (force, int, 0);
MODULE_PARM_DESC(force, "Forcibly enable the PIIX4. DANGEROUS!");
/* If force_addr is set to anything different from 0, we forcibly enable
the PIIX4 at the given address. VERY DANGEROUS! */
-static int force_addr = 0;
+static int force_addr;
module_param (force_addr, int, 0);
MODULE_PARM_DESC(force_addr,
"Forcibly enable the PIIX4 at the given address. "
@@ -104,14 +104,15 @@ MODULE_PARM_DESC(force_addr,
/* If fix_hstcfg is set to anything different from 0, we reset one of the
registers to be a valid value. */
-static int fix_hstcfg = 0;
+static int fix_hstcfg;
module_param (fix_hstcfg, int, 0);
MODULE_PARM_DESC(fix_hstcfg,
"Fix config register. Needed on some boards (Force CPCI735).");
static int piix4_transaction(void);
-static unsigned short piix4_smba = 0;
+static unsigned short piix4_smba;
+static struct pci_driver piix4_driver;
static struct i2c_adapter piix4_adapter;
static struct dmi_system_id __devinitdata piix4_dmi_table[] = {
@@ -157,7 +158,7 @@ static int __devinit piix4_setup(struct pci_dev *PIIX4_dev,
}
}
- if (!request_region(piix4_smba, SMBIOSIZE, "piix4-smbus")) {
+ if (!request_region(piix4_smba, SMBIOSIZE, piix4_driver.name)) {
dev_err(&PIIX4_dev->dev, "SMB region 0x%x already in use!\n",
piix4_smba);
return -ENODEV;
@@ -407,7 +408,6 @@ static struct i2c_adapter piix4_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id piix4_ids[] = {
@@ -462,6 +462,7 @@ static void __devexit piix4_remove(struct pci_dev *dev)
}
static struct pci_driver piix4_driver = {
+ .owner = THIS_MODULE,
.name = "piix4_smbus",
.id_table = piix4_ids,
.probe = piix4_probe,
diff --git a/drivers/i2c/busses/i2c-pmac-smu.c b/drivers/i2c/busses/i2c-pmac-smu.c
index 8a9f5648a23..bfefe7f7a53 100644
--- a/drivers/i2c/busses/i2c-pmac-smu.c
+++ b/drivers/i2c/busses/i2c-pmac-smu.c
@@ -211,12 +211,11 @@ static int create_iface(struct device_node *np, struct device *dev)
}
busid = *reg;
- iface = kmalloc(sizeof(struct smu_iface), GFP_KERNEL);
+ iface = kzalloc(sizeof(struct smu_iface), GFP_KERNEL);
if (iface == NULL) {
printk(KERN_ERR "i2c-pmac-smu: can't allocate inteface !\n");
return -ENOMEM;
}
- memset(iface, 0, sizeof(struct smu_iface));
init_completion(&iface->complete);
iface->busid = busid;
diff --git a/drivers/i2c/busses/i2c-prosavage.c b/drivers/i2c/busses/i2c-prosavage.c
index 83fd16d61ce..42cb1d8ca65 100644
--- a/drivers/i2c/busses/i2c-prosavage.c
+++ b/drivers/i2c/busses/i2c-prosavage.c
@@ -83,11 +83,6 @@ struct s_i2c_chip {
/*
* i2c configuration
*/
-#ifndef I2C_HW_B_S3VIA
-#define I2C_HW_B_S3VIA 0x18 /* S3VIA ProSavage adapter */
-#endif
-
-/* delays */
#define CYCLE_DELAY 10
#define TIMEOUT (HZ / 2)
@@ -241,14 +236,12 @@ static int __devinit prosavage_probe(struct pci_dev *dev, const struct pci_devic
struct s_i2c_chip *chip;
struct s_i2c_bus *bus;
- pci_set_drvdata(dev, kmalloc(sizeof(struct s_i2c_chip), GFP_KERNEL));
+ pci_set_drvdata(dev, kzalloc(sizeof(struct s_i2c_chip), GFP_KERNEL));
chip = (struct s_i2c_chip *)pci_get_drvdata(dev);
if (chip == NULL) {
return -ENOMEM;
}
- memset(chip, 0, sizeof(struct s_i2c_chip));
-
base = dev->resource[0].start & PCI_BASE_ADDRESS_MEM_MASK;
len = dev->resource[0].end - base + 1;
chip->mmio = ioremap_nocache(base, len);
@@ -308,6 +301,7 @@ static struct pci_device_id prosavage_pci_tbl[] = {
MODULE_DEVICE_TABLE (pci, prosavage_pci_tbl);
static struct pci_driver prosavage_driver = {
+ .owner = THIS_MODULE,
.name = "prosavage_smbus",
.id_table = prosavage_pci_tbl,
.probe = prosavage_probe,
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 73a092fb0e7..6ced28e9007 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -879,14 +879,12 @@ static int s3c24xx_i2c_remove(struct device *dev)
}
#ifdef CONFIG_PM
-static int s3c24xx_i2c_resume(struct device *dev, u32 level)
+static int s3c24xx_i2c_resume(struct device *dev)
{
struct s3c24xx_i2c *i2c = dev_get_drvdata(dev);
-
- if (i2c != NULL && level == RESUME_ENABLE) {
- dev_dbg(dev, "resume: level %d\n", level);
+
+ if (i2c != NULL)
s3c24xx_i2c_init(i2c);
- }
return 0;
}
@@ -898,6 +896,7 @@ static int s3c24xx_i2c_resume(struct device *dev, u32 level)
/* device driver for platform bus bits */
static struct device_driver s3c2410_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "s3c2410-i2c",
.bus = &platform_bus_type,
.probe = s3c24xx_i2c_probe,
@@ -906,6 +905,7 @@ static struct device_driver s3c2410_i2c_driver = {
};
static struct device_driver s3c2440_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "s3c2440-i2c",
.bus = &platform_bus_type,
.probe = s3c24xx_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-savage4.c b/drivers/i2c/busses/i2c-savage4.c
index 0c8518298e4..aebe87ba403 100644
--- a/drivers/i2c/busses/i2c-savage4.c
+++ b/drivers/i2c/busses/i2c-savage4.c
@@ -179,6 +179,7 @@ static void __devexit savage4_remove(struct pci_dev *dev)
}
static struct pci_driver savage4_driver = {
+ .owner = THIS_MODULE,
.name = "savage4_smbus",
.id_table = savage4_ids,
.probe = savage4_probe,
diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c
index 080318d6f54..3ad27c3ba15 100644
--- a/drivers/i2c/busses/i2c-sis5595.c
+++ b/drivers/i2c/busses/i2c-sis5595.c
@@ -123,11 +123,12 @@ static int blacklist[] = {
/* If force_addr is set to anything different from 0, we forcibly enable
the device at the given address. */
-static u16 force_addr = 0;
+static u16 force_addr;
module_param(force_addr, ushort, 0);
MODULE_PARM_DESC(force_addr, "Initialize the base address of the i2c controller");
-static unsigned short sis5595_base = 0;
+static struct pci_driver sis5595_driver;
+static unsigned short sis5595_base;
static u8 sis5595_read(u8 reg)
{
@@ -172,7 +173,8 @@ static int sis5595_setup(struct pci_dev *SIS5595_dev)
/* NB: We grab just the two SMBus registers here, but this may still
* interfere with ACPI :-( */
- if (!request_region(sis5595_base + SMB_INDEX, 2, "sis5595-smbus")) {
+ if (!request_region(sis5595_base + SMB_INDEX, 2,
+ sis5595_driver.name)) {
dev_err(&SIS5595_dev->dev, "SMBus registers 0x%04x-0x%04x already in use!\n",
sis5595_base + SMB_INDEX, sis5595_base + SMB_INDEX + 1);
return -ENODEV;
@@ -364,7 +366,6 @@ static struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter sis5595_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
- .name = "unset",
.algo = &smbus_algorithm,
};
@@ -397,6 +398,7 @@ static void __devexit sis5595_remove(struct pci_dev *dev)
}
static struct pci_driver sis5595_driver = {
+ .owner = THIS_MODULE,
.name = "sis5595_smbus",
.id_table = sis5595_ids,
.probe = sis5595_probe,
diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c
index 86f0f448fa0..7f49e5fd3ff 100644
--- a/drivers/i2c/busses/i2c-sis630.c
+++ b/drivers/i2c/busses/i2c-sis630.c
@@ -92,6 +92,8 @@
#define SIS630_PCALL 0x04
#define SIS630_BLOCK_DATA 0x05
+static struct pci_driver sis630_driver;
+
/* insmod parameters */
static int high_clock;
static int force;
@@ -101,7 +103,7 @@ module_param(force, bool, 0);
MODULE_PARM_DESC(force, "Forcibly enable the SIS630. DANGEROUS!");
/* acpi base address */
-static unsigned short acpi_base = 0;
+static unsigned short acpi_base;
/* supported chips */
static int supported[] = {
@@ -432,7 +434,8 @@ static int sis630_setup(struct pci_dev *sis630_dev)
dev_dbg(&sis630_dev->dev, "ACPI base at 0x%04x\n", acpi_base);
/* Everything is happy, let's grab the memory and set things up. */
- if (!request_region(acpi_base + SMB_STS, SIS630_SMB_IOREGION, "sis630-smbus")) {
+ if (!request_region(acpi_base + SMB_STS, SIS630_SMB_IOREGION,
+ sis630_driver.name)) {
dev_err(&sis630_dev->dev, "SMBus registers 0x%04x-0x%04x already "
"in use!\n", acpi_base + SMB_STS, acpi_base + SMB_SAA);
goto exit;
@@ -455,7 +458,6 @@ static struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter sis630_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
- .name = "unset",
.algo = &smbus_algorithm,
};
@@ -494,6 +496,7 @@ static void __devexit sis630_remove(struct pci_dev *dev)
static struct pci_driver sis630_driver = {
+ .owner = THIS_MODULE,
.name = "sis630_smbus",
.id_table = sis630_ids,
.probe = sis630_probe,
diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c
index ead2ff3cf60..6a134c09132 100644
--- a/drivers/i2c/busses/i2c-sis96x.c
+++ b/drivers/i2c/busses/i2c-sis96x.c
@@ -82,8 +82,9 @@
#define SIS96x_PROC_CALL 0x04
#define SIS96x_BLOCK_DATA 0x05
+static struct pci_driver sis96x_driver;
static struct i2c_adapter sis96x_adapter;
-static u16 sis96x_smbus_base = 0;
+static u16 sis96x_smbus_base;
static inline u8 sis96x_read(u8 reg)
{
@@ -257,7 +258,6 @@ static struct i2c_adapter sis96x_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id sis96x_ids[] = {
@@ -294,7 +294,8 @@ static int __devinit sis96x_probe(struct pci_dev *dev,
sis96x_smbus_base);
/* Everything is happy, let's grab the memory and set things up. */
- if (!request_region(sis96x_smbus_base, SMB_IOSIZE, "sis96x-smbus")) {
+ if (!request_region(sis96x_smbus_base, SMB_IOSIZE,
+ sis96x_driver.name)) {
dev_err(&dev->dev, "SMBus registers 0x%04x-0x%04x "
"already in use!\n", sis96x_smbus_base,
sis96x_smbus_base + SMB_IOSIZE - 1);
@@ -328,6 +329,7 @@ static void __devexit sis96x_remove(struct pci_dev *dev)
}
static struct pci_driver sis96x_driver = {
+ .owner = THIS_MODULE,
.name = "sis96x_smbus",
.id_table = sis96x_ids,
.probe = sis96x_probe,
diff --git a/drivers/i2c/busses/i2c-via.c b/drivers/i2c/busses/i2c-via.c
index 040b8abeabb..544a38e6439 100644
--- a/drivers/i2c/busses/i2c-via.c
+++ b/drivers/i2c/busses/i2c-via.c
@@ -43,9 +43,9 @@
/* io-region reservation */
#define IOSPACE 0x06
-#define IOTEXT "via-i2c"
-static u16 pm_io_base = 0;
+static struct pci_driver vt586b_driver;
+static u16 pm_io_base;
/*
It does not appear from the datasheet that the GPIO pins are
@@ -130,7 +130,7 @@ static int __devinit vt586b_probe(struct pci_dev *dev, const struct pci_device_i
pci_read_config_word(dev, base, &pm_io_base);
pm_io_base &= (0xff << 8);
- if (!request_region(I2C_DIR, IOSPACE, IOTEXT)) {
+ if (!request_region(I2C_DIR, IOSPACE, vt586b_driver.name)) {
dev_err(&dev->dev, "IO 0x%x-0x%x already in use\n", I2C_DIR, I2C_DIR + IOSPACE);
return -ENODEV;
}
@@ -159,6 +159,7 @@ static void __devexit vt586b_remove(struct pci_dev *dev)
static struct pci_driver vt586b_driver = {
+ .owner = THIS_MODULE,
.name = "vt586b_smbus",
.id_table = vt586b_ids,
.probe = vt586b_probe,
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 99d209e0485..c9366b50483 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -1,9 +1,10 @@
/*
i2c-viapro.c - Part of lm_sensors, Linux kernel modules for hardware
monitoring
- Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>,
+ Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>,
Philip Edelbrock <phil@netroedge.com>, Kyösti Mälkki <kmalkki@cc.hut.fi>,
Mark D. Studebaker <mdsxyz123@yahoo.com>
+ Copyright (C) 2005 Jean Delvare <khali@linux-fr.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -21,15 +22,19 @@
*/
/*
- Supports Via devices:
- 82C596A/B (0x3050)
- 82C596B (0x3051)
- 82C686A/B
- 8231
- 8233
- 8233A (0x3147 and 0x3177)
- 8235
- 8237
+ Supports the following VIA south bridges:
+
+ Chip name PCI ID REV I2C block
+ VT82C596A 0x3050 no
+ VT82C596B 0x3051 no
+ VT82C686A 0x3057 0x30 no
+ VT82C686B 0x3057 0x40 yes
+ VT8231 0x8235 no?
+ VT8233 0x3074 yes
+ VT8233A 0x3147 yes?
+ VT8235 0x3177 yes
+ VT8237R 0x3227 yes
+
Note: we assume there can only be one device, with one SMBus interface.
*/
@@ -38,7 +43,6 @@
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/stddef.h>
-#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/i2c.h>
#include <linux/init.h>
@@ -46,48 +50,37 @@
static struct pci_dev *vt596_pdev;
-#define SMBBA1 0x90
-#define SMBBA2 0x80
-#define SMBBA3 0xD0
+#define SMBBA1 0x90
+#define SMBBA2 0x80
+#define SMBBA3 0xD0
/* SMBus address offsets */
static unsigned short vt596_smba;
#define SMBHSTSTS (vt596_smba + 0)
-#define SMBHSLVSTS (vt596_smba + 1)
#define SMBHSTCNT (vt596_smba + 2)
#define SMBHSTCMD (vt596_smba + 3)
#define SMBHSTADD (vt596_smba + 4)
#define SMBHSTDAT0 (vt596_smba + 5)
#define SMBHSTDAT1 (vt596_smba + 6)
#define SMBBLKDAT (vt596_smba + 7)
-#define SMBSLVCNT (vt596_smba + 8)
-#define SMBSHDWCMD (vt596_smba + 9)
-#define SMBSLVEVT (vt596_smba + 0xA)
-#define SMBSLVDAT (vt596_smba + 0xC)
/* PCI Address Constants */
/* SMBus data in configuration space can be found in two places,
- We try to select the better one*/
-
-static unsigned short smb_cf_hstcfg = 0xD2;
+ We try to select the better one */
-#define SMBHSTCFG (smb_cf_hstcfg)
-#define SMBSLVC (smb_cf_hstcfg + 1)
-#define SMBSHDW1 (smb_cf_hstcfg + 2)
-#define SMBSHDW2 (smb_cf_hstcfg + 3)
-#define SMBREV (smb_cf_hstcfg + 4)
+static unsigned short SMBHSTCFG = 0xD2;
/* Other settings */
#define MAX_TIMEOUT 500
-#define ENABLE_INT9 0
/* VT82C596 constants */
-#define VT596_QUICK 0x00
-#define VT596_BYTE 0x04
-#define VT596_BYTE_DATA 0x08
-#define VT596_WORD_DATA 0x0C
-#define VT596_BLOCK_DATA 0x14
+#define VT596_QUICK 0x00
+#define VT596_BYTE 0x04
+#define VT596_BYTE_DATA 0x08
+#define VT596_WORD_DATA 0x0C
+#define VT596_BLOCK_DATA 0x14
+#define VT596_I2C_BLOCK_DATA 0x34
/* If force is set to anything different from 0, we forcibly enable the
@@ -105,40 +98,65 @@ MODULE_PARM_DESC(force_addr,
"EXTREMELY DANGEROUS!");
+static struct pci_driver vt596_driver;
static struct i2c_adapter vt596_adapter;
-/* Another internally used function */
-static int vt596_transaction(void)
+#define FEATURE_I2CBLOCK (1<<0)
+static unsigned int vt596_features;
+
+#ifdef DEBUG
+static void vt596_dump_regs(const char *msg, u8 size)
+{
+ dev_dbg(&vt596_adapter.dev, "%s: STS=%02x CNT=%02x CMD=%02x ADD=%02x "
+ "DAT=%02x,%02x\n", msg, inb_p(SMBHSTSTS), inb_p(SMBHSTCNT),
+ inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0),
+ inb_p(SMBHSTDAT1));
+
+ if (size == VT596_BLOCK_DATA
+ || size == VT596_I2C_BLOCK_DATA) {
+ int i;
+
+ dev_dbg(&vt596_adapter.dev, "BLK=");
+ for (i = 0; i < I2C_SMBUS_BLOCK_MAX / 2; i++)
+ printk("%02x,", inb_p(SMBBLKDAT));
+ printk("\n");
+ dev_dbg(&vt596_adapter.dev, " ");
+ for (; i < I2C_SMBUS_BLOCK_MAX - 1; i++)
+ printk("%02x,", inb_p(SMBBLKDAT));
+ printk("%02x\n", inb_p(SMBBLKDAT));
+ }
+}
+#else
+static inline void vt596_dump_regs(const char *msg, u8 size) { }
+#endif
+
+/* Return -1 on error, 0 on success */
+static int vt596_transaction(u8 size)
{
int temp;
int result = 0;
int timeout = 0;
- dev_dbg(&vt596_adapter.dev, "Transaction (pre): CNT=%02x, CMD=%02x, "
- "ADD=%02x, DAT0=%02x, DAT1=%02x\n", inb_p(SMBHSTCNT),
- inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0),
- inb_p(SMBHSTDAT1));
+ vt596_dump_regs("Transaction (pre)", size);
/* Make sure the SMBus host is ready to start transmitting */
if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
dev_dbg(&vt596_adapter.dev, "SMBus busy (0x%02x). "
- "Resetting...\n", temp);
-
+ "Resetting... ", temp);
+
outb_p(temp, SMBHSTSTS);
if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
- dev_dbg(&vt596_adapter.dev, "Failed! (0x%02x)\n", temp);
-
+ printk("Failed! (0x%02x)\n", temp);
return -1;
} else {
- dev_dbg(&vt596_adapter.dev, "Successfull!\n");
+ printk("Successful!\n");
}
}
- /* start the transaction by setting bit 6 */
- outb_p(inb(SMBHSTCNT) | 0x040, SMBHSTCNT);
+ /* Start the transaction by setting bit 6 */
+ outb_p(0x40 | (size & 0x3C), SMBHSTCNT);
- /* We will always wait for a fraction of a second!
- I don't know if VIA needs this, Intel did */
+ /* We will always wait for a fraction of a second */
do {
msleep(1);
temp = inb_p(SMBHSTSTS);
@@ -147,77 +165,61 @@ static int vt596_transaction(void)
/* If the SMBus is still busy, we give up */
if (timeout >= MAX_TIMEOUT) {
result = -1;
- dev_dbg(&vt596_adapter.dev, "SMBus Timeout!\n");
+ dev_err(&vt596_adapter.dev, "SMBus timeout!\n");
}
if (temp & 0x10) {
result = -1;
- dev_dbg(&vt596_adapter.dev, "Error: Failed bus transaction\n");
+ dev_err(&vt596_adapter.dev, "Transaction failed (0x%02x)\n",
+ inb_p(SMBHSTCNT) & 0x3C);
}
if (temp & 0x08) {
result = -1;
- dev_info(&vt596_adapter.dev, "Bus collision! SMBus may be "
- "locked until next hard\nreset. (sorry!)\n");
- /* Clock stops and slave is stuck in mid-transmission */
+ dev_err(&vt596_adapter.dev, "SMBus collision!\n");
}
if (temp & 0x04) {
result = -1;
- dev_dbg(&vt596_adapter.dev, "Error: no response!\n");
+ /* Quick commands are used to probe for chips, so
+ errors are expected, and we don't want to frighten the
+ user. */
+ if ((inb_p(SMBHSTCNT) & 0x3C) != VT596_QUICK)
+ dev_err(&vt596_adapter.dev, "Transaction error!\n");
}
- if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
+ /* Resetting status register */
+ if (temp & 0x1F)
outb_p(temp, SMBHSTSTS);
- if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
- dev_warn(&vt596_adapter.dev, "Failed reset at end "
- "of transaction (%02x)\n", temp);
- }
- }
- dev_dbg(&vt596_adapter.dev, "Transaction (post): CNT=%02x, CMD=%02x, "
- "ADD=%02x, DAT0=%02x, DAT1=%02x\n", inb_p(SMBHSTCNT),
- inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0),
- inb_p(SMBHSTDAT1));
-
+ vt596_dump_regs("Transaction (post)", size);
+
return result;
}
-/* Return -1 on error. */
+/* Return -1 on error, 0 on success */
static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
- unsigned short flags, char read_write, u8 command,
- int size, union i2c_smbus_data *data)
+ unsigned short flags, char read_write, u8 command,
+ int size, union i2c_smbus_data *data)
{
- int i, len;
+ int i;
switch (size) {
- case I2C_SMBUS_PROC_CALL:
- dev_info(&vt596_adapter.dev,
- "I2C_SMBUS_PROC_CALL not supported!\n");
- return -1;
case I2C_SMBUS_QUICK:
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
- SMBHSTADD);
size = VT596_QUICK;
break;
case I2C_SMBUS_BYTE:
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
- SMBHSTADD);
if (read_write == I2C_SMBUS_WRITE)
outb_p(command, SMBHSTCMD);
size = VT596_BYTE;
break;
case I2C_SMBUS_BYTE_DATA:
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
- SMBHSTADD);
outb_p(command, SMBHSTCMD);
if (read_write == I2C_SMBUS_WRITE)
outb_p(data->byte, SMBHSTDAT0);
size = VT596_BYTE_DATA;
break;
case I2C_SMBUS_WORD_DATA:
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
- SMBHSTADD);
outb_p(command, SMBHSTCMD);
if (read_write == I2C_SMBUS_WRITE) {
outb_p(data->word & 0xff, SMBHSTDAT0);
@@ -225,28 +227,33 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
}
size = VT596_WORD_DATA;
break;
+ case I2C_SMBUS_I2C_BLOCK_DATA:
+ if (!(vt596_features & FEATURE_I2CBLOCK))
+ goto exit_unsupported;
+ if (read_write == I2C_SMBUS_READ)
+ outb_p(I2C_SMBUS_BLOCK_MAX, SMBHSTDAT0);
+ /* Fall through */
case I2C_SMBUS_BLOCK_DATA:
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
- SMBHSTADD);
outb_p(command, SMBHSTCMD);
if (read_write == I2C_SMBUS_WRITE) {
- len = data->block[0];
- if (len < 0)
- len = 0;
+ u8 len = data->block[0];
if (len > I2C_SMBUS_BLOCK_MAX)
len = I2C_SMBUS_BLOCK_MAX;
outb_p(len, SMBHSTDAT0);
- i = inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */
+ inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */
for (i = 1; i <= len; i++)
outb_p(data->block[i], SMBBLKDAT);
}
- size = VT596_BLOCK_DATA;
+ size = (size == I2C_SMBUS_I2C_BLOCK_DATA) ?
+ VT596_I2C_BLOCK_DATA : VT596_BLOCK_DATA;
break;
+ default:
+ goto exit_unsupported;
}
- outb_p((size & 0x1C) + (ENABLE_INT9 & 1), SMBHSTCNT);
+ outb_p(((addr & 0x7f) << 1) | read_write, SMBHSTADD);
- if (vt596_transaction()) /* Error in transaction */
+ if (vt596_transaction(size)) /* Error in transaction */
return -1;
if ((read_write == I2C_SMBUS_WRITE) || (size == VT596_QUICK))
@@ -254,35 +261,39 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
switch (size) {
case VT596_BYTE:
- /* Where is the result put? I assume here it is in
- * SMBHSTDAT0 but it might just as well be in the
- * SMBHSTCMD. No clue in the docs
- */
- data->byte = inb_p(SMBHSTDAT0);
- break;
case VT596_BYTE_DATA:
data->byte = inb_p(SMBHSTDAT0);
break;
case VT596_WORD_DATA:
data->word = inb_p(SMBHSTDAT0) + (inb_p(SMBHSTDAT1) << 8);
break;
+ case VT596_I2C_BLOCK_DATA:
case VT596_BLOCK_DATA:
data->block[0] = inb_p(SMBHSTDAT0);
if (data->block[0] > I2C_SMBUS_BLOCK_MAX)
data->block[0] = I2C_SMBUS_BLOCK_MAX;
- i = inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */
+ inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */
for (i = 1; i <= data->block[0]; i++)
data->block[i] = inb_p(SMBBLKDAT);
break;
}
return 0;
+
+exit_unsupported:
+ dev_warn(&vt596_adapter.dev, "Unsupported command invoked! (0x%02x)\n",
+ size);
+ return -1;
}
static u32 vt596_func(struct i2c_adapter *adapter)
{
- return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
+ u32 func = I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
I2C_FUNC_SMBUS_BLOCK_DATA;
+
+ if (vt596_features & FEATURE_I2CBLOCK)
+ func |= I2C_FUNC_SMBUS_I2C_BLOCK;
+ return func;
}
static struct i2c_algorithm smbus_algorithm = {
@@ -294,7 +305,6 @@ static struct i2c_adapter vt596_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static int __devinit vt596_probe(struct pci_dev *pdev,
@@ -302,7 +312,7 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
{
unsigned char temp;
int error = -ENODEV;
-
+
/* Determine the address of the SMBus areas */
if (force_addr) {
vt596_smba = force_addr & 0xfff0;
@@ -311,12 +321,12 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
}
if ((pci_read_config_word(pdev, id->driver_data, &vt596_smba)) ||
- !(vt596_smba & 0x1)) {
+ !(vt596_smba & 0x0001)) {
/* try 2nd address and config reg. for 596 */
if (id->device == PCI_DEVICE_ID_VIA_82C596_3 &&
!pci_read_config_word(pdev, SMBBA2, &vt596_smba) &&
- (vt596_smba & 0x1)) {
- smb_cf_hstcfg = 0x84;
+ (vt596_smba & 0x0001)) {
+ SMBHSTCFG = 0x84;
} else {
/* no matches at all */
dev_err(&pdev->dev, "Cannot configure "
@@ -333,10 +343,10 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
return -ENODEV;
}
- found:
- if (!request_region(vt596_smba, 8, "viapro-smbus")) {
+found:
+ if (!request_region(vt596_smba, 8, vt596_driver.name)) {
dev_err(&pdev->dev, "SMBus region 0x%x already in use!\n",
- vt596_smba);
+ vt596_smba);
return -ENODEV;
}
@@ -348,16 +358,16 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
pci_write_config_word(pdev, id->driver_data, vt596_smba);
pci_write_config_byte(pdev, SMBHSTCFG, temp | 0x01);
dev_warn(&pdev->dev, "WARNING: SMBus interface set to new "
- "address 0x%04x!\n", vt596_smba);
- } else if ((temp & 1) == 0) {
+ "address 0x%04x!\n", vt596_smba);
+ } else if (!(temp & 0x01)) {
if (force) {
- /* NOTE: This assumes I/O space and other allocations
- * WERE done by the Bios! Don't complain if your
- * hardware does weird things after enabling this.
- * :') Check for Bios updates before resorting to
+ /* NOTE: This assumes I/O space and other allocations
+ * WERE done by the Bios! Don't complain if your
+ * hardware does weird things after enabling this.
+ * :') Check for Bios updates before resorting to
* this.
*/
- pci_write_config_byte(pdev, SMBHSTCFG, temp | 1);
+ pci_write_config_byte(pdev, SMBHSTCFG, temp | 0x01);
dev_info(&pdev->dev, "Enabling SMBus device\n");
} else {
dev_err(&pdev->dev, "SMBUS: Error: Host SMBus "
@@ -367,22 +377,28 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
}
}
- if ((temp & 0x0E) == 8)
- dev_dbg(&pdev->dev, "using Interrupt 9 for SMBus.\n");
- else if ((temp & 0x0E) == 0)
- dev_dbg(&pdev->dev, "using Interrupt SMI# for SMBus.\n");
- else
- dev_dbg(&pdev->dev, "Illegal Interrupt configuration "
- "(or code out of date)!\n");
-
- pci_read_config_byte(pdev, SMBREV, &temp);
- dev_dbg(&pdev->dev, "SMBREV = 0x%X\n", temp);
dev_dbg(&pdev->dev, "VT596_smba = 0x%X\n", vt596_smba);
+ switch (pdev->device) {
+ case PCI_DEVICE_ID_VIA_8237:
+ case PCI_DEVICE_ID_VIA_8235:
+ case PCI_DEVICE_ID_VIA_8233A:
+ case PCI_DEVICE_ID_VIA_8233_0:
+ vt596_features |= FEATURE_I2CBLOCK;
+ break;
+ case PCI_DEVICE_ID_VIA_82C686_4:
+ /* The VT82C686B (rev 0x40) does support I2C block
+ transactions, but the VT82C686A (rev 0x30) doesn't */
+ if (!pci_read_config_byte(pdev, PCI_REVISION_ID, &temp)
+ && temp >= 0x40)
+ vt596_features |= FEATURE_I2CBLOCK;
+ break;
+ }
+
vt596_adapter.dev.parent = &pdev->dev;
snprintf(vt596_adapter.name, I2C_NAME_SIZE,
- "SMBus Via Pro adapter at %04x", vt596_smba);
-
+ "SMBus Via Pro adapter at %04x", vt596_smba);
+
vt596_pdev = pci_dev_get(pdev);
if (i2c_add_adapter(&vt596_adapter)) {
pci_dev_put(vt596_pdev);
@@ -395,7 +411,7 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
*/
return -ENODEV;
- release_region:
+release_region:
release_region(vt596_smba, 8);
return error;
}
@@ -420,9 +436,10 @@ static struct pci_device_id vt596_ids[] = {
{ 0, }
};
-MODULE_DEVICE_TABLE (pci, vt596_ids);
+MODULE_DEVICE_TABLE(pci, vt596_ids);
static struct pci_driver vt596_driver = {
+ .owner = THIS_MODULE,
.name = "vt596_smbus",
.id_table = vt596_ids,
.probe = vt596_probe,
diff --git a/drivers/i2c/busses/i2c-voodoo3.c b/drivers/i2c/busses/i2c-voodoo3.c
index b675773b0cc..650c3ebde84 100644
--- a/drivers/i2c/busses/i2c-voodoo3.c
+++ b/drivers/i2c/busses/i2c-voodoo3.c
@@ -225,6 +225,7 @@ static void __devexit voodoo3_remove(struct pci_dev *dev)
}
static struct pci_driver voodoo3_driver = {
+ .owner = THIS_MODULE,
.name = "voodoo3_smbus",
.id_table = voodoo3_ids,
.probe = voodoo3_probe,
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index a1d580e0536..d3478e08452 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -442,14 +442,13 @@ static int __init scx200_acb_create(int base, int index)
int rc = 0;
char description[64];
- iface = kmalloc(sizeof(*iface), GFP_KERNEL);
+ iface = kzalloc(sizeof(*iface), GFP_KERNEL);
if (!iface) {
printk(KERN_ERR NAME ": can't allocate memory\n");
rc = -ENOMEM;
goto errout;
}
- memset(iface, 0, sizeof(*iface));
adapter = &iface->adapter;
i2c_set_adapdata(adapter, iface);
snprintf(adapter->name, I2C_NAME_SIZE, "SCx200 ACB%d", index);