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authorLinus Torvalds <torvalds@g5.osdl.org>2006-04-23 09:44:10 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-23 09:44:10 -0700
commit6b426e785cb81e53dc2fc4dcf997661472b470ef (patch)
tree3dbde895f120e78f66b32ddd9c9cbe3d83a59637 /drivers
parentcb6aef2879b769644b35cffe9844c81c63809c8e (diff)
parent223232de068593b40d267e340f24c017d31c018a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6: [PARISC] MAINTAINERS [PARISC] Make ioremap default to _nocache [PARISC] Add new entries to the syscall table [PARISC] Further work for multiple page sizes [PARISC] Fix up hil_kbd.c mismerge [PARISC] defconfig updates [PARISC] Document that we tolerate "Relaxed Ordering" [PARISC] Misc. janitorial work [PARISC] EISA regions must be mapped NO_CACHE [PARISC] OSS ad1889: Match register names with ALSA driver
Diffstat (limited to 'drivers')
-rw-r--r--drivers/input/keyboard/hil_kbd.c2
-rw-r--r--drivers/parisc/pdc_stable.c2
-rw-r--r--drivers/parisc/sba_iommu.c45
-rw-r--r--drivers/parisc/superio.c4
4 files changed, 36 insertions, 17 deletions
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index 1dca3cf42a5..2e4abdc2636 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -350,11 +350,11 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
return 0;
bail2:
serio_close(serio);
+ serio_set_drvdata(serio, NULL);
bail1:
input_free_device(kbd->dev);
bail0:
kfree(kbd);
- serio_set_drvdata(serio, NULL);
return -EIO;
}
diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c
index 4e53be9c03a..bbeabe3fc4c 100644
--- a/drivers/parisc/pdc_stable.c
+++ b/drivers/parisc/pdc_stable.c
@@ -535,7 +535,7 @@ pdcs_auto_read(struct subsystem *entry, char *buf, int knob)
{
char *out = buf;
struct pdcspath_entry *pathentry;
-
+
if (!entry || !buf)
return -EINVAL;
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 42b32ff2fca..278f325021e 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -178,6 +178,11 @@ extern struct proc_dir_entry * proc_mckinley_root;
#define ROPE6_CTL 0x230
#define ROPE7_CTL 0x238
+#define IOC_ROPE0_CFG 0x500 /* pluto only */
+#define IOC_ROPE_AO 0x10 /* Allow "Relaxed Ordering" */
+
+
+
#define HF_ENABLE 0x40
@@ -1759,19 +1764,33 @@ printk("sba_hw_init(): mem_boot 0x%x 0x%x 0x%x 0x%x\n", PAGE0->mem_boot.hpa,
sba_dev->num_ioc = num_ioc;
for (i = 0; i < num_ioc; i++) {
- /*
- ** Make sure the box crashes if we get any errors on a rope.
- */
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE0_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE1_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE2_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE3_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE4_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE5_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE6_CTL);
- WRITE_REG(HF_ENABLE, sba_dev->ioc[i].ioc_hpa + ROPE7_CTL);
-
- /* flush out the writes */
+ unsigned long ioc_hpa = sba_dev->ioc[i].ioc_hpa;
+ unsigned int j;
+
+ for (j=0; j < sizeof(u64) * ROPES_PER_IOC; j+=sizeof(u64)) {
+
+ /*
+ * Clear ROPE(N)_CONFIG AO bit.
+ * Disables "NT Ordering" (~= !"Relaxed Ordering")
+ * Overrides bit 1 in DMA Hint Sets.
+ * Improves netperf UDP_STREAM by ~10% for bcm5701.
+ */
+ if (IS_PLUTO(sba_dev->iodc)) {
+ unsigned long rope_cfg, cfg_val;
+
+ rope_cfg = ioc_hpa + IOC_ROPE0_CFG + j;
+ cfg_val = READ_REG(rope_cfg);
+ cfg_val &= ~IOC_ROPE_AO;
+ WRITE_REG(cfg_val, rope_cfg);
+ }
+
+ /*
+ ** Make sure the box crashes on rope errors.
+ */
+ WRITE_REG(HF_ENABLE, ioc_hpa + ROPE0_CTL + j);
+ }
+
+ /* flush out the last writes */
READ_REG(sba_dev->ioc[i].ioc_hpa + ROPE7_CTL);
DBG_INIT(" ioc[%d] ROPE_CFG 0x%Lx ROPE_DBG 0x%Lx\n",
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index 719b863bc20..828eb45062d 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -155,7 +155,7 @@ superio_init(struct pci_dev *pcidev)
struct pci_dev *pdev = sio->lio_pdev;
u16 word;
- if (sio->suckyio_irq_enabled)
+ if (sio->suckyio_irq_enabled)
return;
BUG_ON(!pdev);
@@ -194,7 +194,7 @@ superio_init(struct pci_dev *pcidev)
request_region (sio->acpi_base, 0x1f, "acpi");
/* Enable the legacy I/O function */
- pci_read_config_word (pdev, PCI_COMMAND, &word);
+ pci_read_config_word (pdev, PCI_COMMAND, &word);
word |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY | PCI_COMMAND_IO;
pci_write_config_word (pdev, PCI_COMMAND, word);