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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-31 15:50:35 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-31 15:50:35 -0700
commit88c8199b9d2f5ec0a8468a0495ba4c9656846500 (patch)
tree666dc82c5a1ec041a7312f4ef3306bb1806620eb
parent0439208a8a399f0c4307c561d97e3f5523f5d085 (diff)
parent50aa485e1abb7566ce68418c7bbc6a6b454f9039 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [BBC_I2C]: kmalloc + memset conversion to kzalloc [BBC_ENVCTRL]: kmalloc + memset conversion to kzalloc [SPARC]: Fix exec failures on sun4c. [SPARC] Videopix Frame Grabber: Fix unreleased lock in vfc_debug() [SPARC64]: Add missing dma_get_cache_alignment(). [SUNLANCE]: Fix sparc32 crashes by using of_*() interfaces.
-rw-r--r--arch/sparc/mm/sun4c.c3
-rw-r--r--drivers/net/sunlance.c48
-rw-r--r--drivers/sbus/char/bbc_envctrl.c10
-rw-r--r--drivers/sbus/char/bbc_i2c.c4
-rw-r--r--include/asm-sparc64/dma-mapping.h7
5 files changed, 38 insertions, 34 deletions
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index a57a366e339..79d60d86f6f 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -1999,6 +1999,9 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p
unsigned long flags;
int pseg;
+ if (vma->vm_mm->context == NO_CONTEXT)
+ return;
+
local_irq_save(flags);
address &= PAGE_MASK;
if ((pseg = sun4c_get_segmap(address)) == invalid_segment) {
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 053b7cb0d94..68e4f660367 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -99,8 +99,7 @@ static char lancestr[] = "LANCE";
#include <asm/byteorder.h> /* Used by the checksum routines */
#include <asm/idprom.h>
#include <asm/sbus.h>
-#include <asm/openprom.h>
-#include <asm/oplib.h>
+#include <asm/prom.h>
#include <asm/auxio.h> /* For tpe-link-test? setting */
#include <asm/irq.h>
@@ -1326,6 +1325,7 @@ static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
struct sbus_dev *lebuffer)
{
static unsigned version_printed;
+ struct device_node *dp = sdev->ofdev.node;
struct net_device *dev;
struct lance_private *lp;
int i;
@@ -1389,54 +1389,46 @@ static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
lp->rx = lance_rx_dvma;
lp->tx = lance_tx_dvma;
}
- lp->busmaster_regval = prom_getintdefault(sdev->prom_node,
- "busmaster-regval",
- (LE_C3_BSWP | LE_C3_ACON |
- LE_C3_BCON));
+ lp->busmaster_regval = of_getintprop_default(dp, "busmaster-regval",
+ (LE_C3_BSWP |
+ LE_C3_ACON |
+ LE_C3_BCON));
lp->name = lancestr;
lp->ledma = ledma;
lp->burst_sizes = 0;
if (lp->ledma) {
- char prop[6];
+ struct device_node *ledma_dp = ledma->sdev->ofdev.node;
+ const char *prop;
unsigned int sbmask;
u32 csr;
/* Find burst-size property for ledma */
- lp->burst_sizes = prom_getintdefault(ledma->sdev->prom_node,
- "burst-sizes", 0);
+ lp->burst_sizes = of_getintprop_default(ledma_dp,
+ "burst-sizes", 0);
/* ledma may be capable of fast bursts, but sbus may not. */
- sbmask = prom_getintdefault(ledma->sdev->bus->prom_node,
- "burst-sizes", DMA_BURSTBITS);
+ sbmask = of_getintprop_default(ledma_dp, "burst-sizes",
+ DMA_BURSTBITS);
lp->burst_sizes &= sbmask;
/* Get the cable-selection property */
- memset(prop, 0, sizeof(prop));
- prom_getstring(ledma->sdev->prom_node, "cable-selection",
- prop, sizeof(prop));
- if (prop[0] == 0) {
- int topnd, nd;
+ prop = of_get_property(ledma_dp, "cable-selection", NULL);
+ if (!prop || prop[0] == '\0') {
+ struct device_node *nd;
- printk(KERN_INFO "SunLance: using auto-carrier-detection.\n");
+ printk(KERN_INFO "SunLance: using "
+ "auto-carrier-detection.\n");
- /* Is this found at /options .attributes in all
- * Prom versions? XXX
- */
- topnd = prom_getchild(prom_root_node);
-
- nd = prom_searchsiblings(topnd, "options");
+ nd = of_find_node_by_path("/options");
if (!nd)
goto no_link_test;
- if (!prom_node_has_property(nd, "tpe-link-test?"))
+ prop = of_get_property(nd, "tpe-link-test?", NULL);
+ if (!prop)
goto no_link_test;
- memset(prop, 0, sizeof(prop));
- prom_getstring(nd, "tpe-link-test?", prop,
- sizeof(prop));
-
if (strcmp(prop, "true")) {
printk(KERN_NOTICE "SunLance: warning: overriding option "
"'tpe-link-test?'\n");
diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c
index e821a155b65..0bde26989a2 100644
--- a/drivers/sbus/char/bbc_envctrl.c
+++ b/drivers/sbus/char/bbc_envctrl.c
@@ -479,11 +479,12 @@ static int kenvctrld(void *__unused)
static void attach_one_temp(struct linux_ebus_child *echild, int temp_idx)
{
- struct bbc_cpu_temperature *tp = kmalloc(sizeof(*tp), GFP_KERNEL);
+ struct bbc_cpu_temperature *tp;
+ tp = kzalloc(sizeof(*tp), GFP_KERNEL);
if (!tp)
return;
- memset(tp, 0, sizeof(*tp));
+
tp->client = bbc_i2c_attach(echild);
if (!tp->client) {
kfree(tp);
@@ -525,11 +526,12 @@ static void attach_one_temp(struct linux_ebus_child *echild, int temp_idx)
static void attach_one_fan(struct linux_ebus_child *echild, int fan_idx)
{
- struct bbc_fan_control *fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+ struct bbc_fan_control *fp;
+ fp = kzalloc(sizeof(*fp), GFP_KERNEL);
if (!fp)
return;
- memset(fp, 0, sizeof(*fp));
+
fp->client = bbc_i2c_attach(echild);
if (!fp->client) {
kfree(fp);
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index fbadd4d761f..ac8ef2ce07f 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -357,13 +357,13 @@ static void __init reset_one_i2c(struct bbc_i2c_bus *bp)
static int __init attach_one_i2c(struct linux_ebus_device *edev, int index)
{
- struct bbc_i2c_bus *bp = kmalloc(sizeof(*bp), GFP_KERNEL);
+ struct bbc_i2c_bus *bp;
struct linux_ebus_child *echild;
int entry;
+ bp = kzalloc(sizeof(*bp), GFP_KERNEL);
if (!bp)
return -ENOMEM;
- memset(bp, 0, sizeof(*bp));
bp->i2c_control_regs = ioremap(edev->resource[0].start, 0x2);
if (!bp->i2c_control_regs)
diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h
index 0a1006692bb..a72a5f271f3 100644
--- a/include/asm-sparc64/dma-mapping.h
+++ b/include/asm-sparc64/dma-mapping.h
@@ -127,6 +127,13 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
return (dma_addr == DMA_ERROR_CODE);
}
+static inline int dma_get_cache_alignment(void)
+{
+ /* no easy way to get cache size on all processors, so return
+ * the maximum possible, to be safe */
+ return (1 << INTERNODE_CACHE_SHIFT);
+}
+
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
#define dma_is_consistent(d, h) (1)