The patch titled
Misc: phantom, take care of pci posting
has been added to the -mm tree. Its filename is
misc-phantom-take-care-of-pci-posting.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Misc: phantom, take care of pci posting
From: Jiri Slaby <jirislaby@xxxxxxxxx>
phantom, take care of pci posting
thanks to akpm for pointing this out
Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/misc/phantom.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff -puN drivers/misc/phantom.c~misc-phantom-take-care-of-pci-posting drivers/misc/phantom.c
--- a/drivers/misc/phantom.c~misc-phantom-take-care-of-pci-posting
+++ a/drivers/misc/phantom.c
@@ -60,8 +60,11 @@ static int phantom_status(struct phantom
atomic_set(&dev->counter, 0);
iowrite32(PHN_CTL_IRQ, dev->iaddr + PHN_CONTROL);
iowrite32(0x43, dev->caddr + PHN_IRQCTL);
- } else if ((dev->status & PHB_RUNNING) && !(newstat & PHB_RUNNING))
+ ioread32(dev->caddr + PHN_IRQCTL); /* PCI posting */
+ } else if ((dev->status & PHB_RUNNING) && !(newstat & PHB_RUNNING)) {
iowrite32(0, dev->caddr + PHN_IRQCTL);
+ ioread32(dev->caddr + PHN_IRQCTL); /* PCI posting */
+ }
dev->status = newstat;
@@ -102,6 +105,7 @@ static long phantom_ioctl(struct file *f
pr_debug("phantom: writing %x to %u\n", r.value, r.reg);
iowrite32(r.value, dev->iaddr + r.reg);
+ ioread32(dev->iaddr); /* PCI posting */
if (r.reg == PHN_CONTROL && !(r.value & PHN_CTL_IRQ))
phantom_status(dev, dev->status & ~PHB_RUNNING);
@@ -116,6 +120,7 @@ static long phantom_ioctl(struct file *f
for (i = 0; i < min(rs.count, 8U); i++)
if ((1 << i) & rs.mask)
iowrite32(rs.values[i], dev->oaddr + i);
+ ioread32(dev->iaddr); /* PCI posting */
spin_unlock(&dev->ioctl_lock);
break;
case PHN_GET_REG:
@@ -221,6 +226,7 @@ static irqreturn_t phantom_isr(int irq,
iowrite32(0, dev->iaddr);
iowrite32(0xc0, dev->iaddr);
+ ioread32(dev->iaddr); /* PCI posting */
atomic_inc(&dev->counter);
wake_up_interruptible(&dev->wait);
@@ -297,6 +303,7 @@ static int __devinit phantom_probe(struc
pht->cdev.owner = THIS_MODULE;
iowrite32(0, pht->caddr + PHN_IRQCTL);
+ ioread32(pht->caddr + PHN_IRQCTL); /* PCI posting */
retval = request_irq(pdev->irq, phantom_isr,
IRQF_SHARED | IRQF_DISABLED, "phantom", pht);
if (retval) {
@@ -347,6 +354,7 @@ static void __devexit phantom_remove(str
cdev_del(&pht->cdev);
iowrite32(0, pht->caddr + PHN_IRQCTL);
+ ioread32(pht->caddr + PHN_IRQCTL); /* PCI posting */
free_irq(pdev->irq, pht);
pci_iounmap(pdev, pht->oaddr);
@@ -368,6 +376,7 @@ static int phantom_suspend(struct pci_de
struct phantom_device *dev = pci_get_drvdata(pdev);
iowrite32(0, dev->caddr + PHN_IRQCTL);
+ ioread32(dev->caddr + PHN_IRQCTL); /* PCI posting */
return 0;
}
_
Patches currently in -mm which might be from jirislaby@xxxxxxxxx are
cinergyt2-fix-file-release-handler.patch
auerswald-fix-file-release-handler.patch
char-cyclades-fix-deadlock.patch
misc-phantom-move-to-unlocked_ioctl.patch
misc-misc-phantom-move-to-unlocked_ioctl-fix.patch
misc-phantom-take-care-of-pci-posting.patch
char-cyclades-add-firmware-loading.patch
char-cyclades-fix-sparse-warning.patch
shrink_slab-handle-bad-shrinkers.patch
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