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| author | Gavin Shan <gwshan@linux.vnet.ibm.com> | 2014-09-30 12:39:02 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2014-09-30 17:15:14 +1000 |
| commit | c9dd0143978e1c473c08dafe8156259b895db3e2 (patch) | |
| tree | c22ed5343c6b7d6b542a1dbe3fa79a1a48665063 /arch/powerpc/kernel/eeh_sysfs.c | |
| parent | 4eeeff0ebcdeabf3f76c4eece0593e98c6619be8 (diff) | |
| download | linux-stable-c9dd0143978e1c473c08dafe8156259b895db3e2.tar.gz linux-stable-c9dd0143978e1c473c08dafe8156259b895db3e2.tar.bz2 linux-stable-c9dd0143978e1c473c08dafe8156259b895db3e2.zip | |
powerpc/eeh: Use eeh_unfreeze_pe()
The patch uses eeh_unfreeze_pe() to replace the logic clearing
frozen IO and DMA, in order to simplify the code.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/eeh_sysfs.c')
| -rw-r--r-- | arch/powerpc/kernel/eeh_sysfs.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/arch/powerpc/kernel/eeh_sysfs.c b/arch/powerpc/kernel/eeh_sysfs.c index eb15be4d8849..9a44010bd4b5 100644 --- a/arch/powerpc/kernel/eeh_sysfs.c +++ b/arch/powerpc/kernel/eeh_sysfs.c @@ -75,7 +75,6 @@ static ssize_t eeh_pe_state_store(struct device *dev, { struct pci_dev *pdev = to_pci_dev(dev); struct eeh_dev *edev = pci_dev_to_eeh_dev(pdev); - int ret; if (!edev || !edev->pe) return -ENODEV; @@ -84,26 +83,8 @@ static ssize_t eeh_pe_state_store(struct device *dev, if (!(edev->pe->state & EEH_PE_ISOLATED)) return count; - /* Enable MMIO */ - ret = eeh_pci_enable(edev->pe, EEH_OPT_THAW_MMIO); - if (ret) { - pr_warn("%s: Failure %d enabling MMIO for PHB#%d-PE#%d\n", - __func__, ret, edev->pe->phb->global_number, - edev->pe->addr); + if (eeh_unfreeze_pe(edev->pe, true)) return -EIO; - } - - /* Enable DMA */ - ret = eeh_pci_enable(edev->pe, EEH_OPT_THAW_DMA); - if (ret) { - pr_warn("%s: Failure %d enabling DMA for PHB#%d-PE#%d\n", - __func__, ret, edev->pe->phb->global_number, - edev->pe->addr); - return -EIO; - } - - /* Clear software state */ - eeh_pe_state_clear(edev->pe, EEH_PE_ISOLATED); return count; } |