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authorLee Jones <lee.jones@linaro.org>2012-01-12 12:50:11 +0000
committerLee Jones <lee.jones@linaro.org>2012-01-12 12:50:11 +0000
commit72108d578689febd3579bf16be470328ded6c6d9 (patch)
treecc36ad5306ce823f8e98956c8f048f48017be3cc /drivers/block/cciss.c
parent330f78a83c1f47055427e10a68733af77b2cbac8 (diff)
parent2150f72fe35397cc6d6ce39866bd0462cfbcc916 (diff)
Automatically merging tracking-igloo_kernel-other into merging-stable-linaro-ux500-3.1stable-linaro-ux500-3.1
Conflicting files:
Diffstat (limited to 'drivers/block/cciss.c')
-rw-r--r--drivers/block/cciss.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 8f4ef656a1a..c2f9b3e3dec 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4533,6 +4533,13 @@ static int cciss_controller_hard_reset(struct pci_dev *pdev,
pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
pmcsr |= PCI_D0;
pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr);
+
+ /*
+ * The P600 requires a small delay when changing states.
+ * Otherwise we may think the board did not reset and we bail.
+ * This for kdump only and is particular to the P600.
+ */
+ msleep(500);
}
return 0;
}