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| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-06-06 11:50:34 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-07-11 16:02:08 -0700 |
| commit | f0dce411930d16a678173e534594bca160f5eaff (patch) | |
| tree | 52d7c4d6d4e374ac3b808f4f7a9b0ba7be729234 /drivers/pci/pcie | |
| parent | 65b3bc358a3195ebe459761a248cf33a61539947 (diff) | |
| download | kernel_samsung_tuna-f0dce411930d16a678173e534594bca160f5eaff.zip kernel_samsung_tuna-f0dce411930d16a678173e534594bca160f5eaff.tar.gz kernel_samsung_tuna-f0dce411930d16a678173e534594bca160f5eaff.tar.bz2 | |
PCI aer: add pci_cleanup_aer_correct_aer_status
Function to clear bogus correctable errors. Analog to pci_aer_uncorrect_are_status.
The Marvell chips seem to start out with a bogus value that needs to be
cleared.
Yanmin ported it to 2.6.22-rc4 by fixing a fuzz patch applying info.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Acked-by: Zhang Yanmin <yanmin.zhang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci/pcie')
| -rw-r--r-- | drivers/pci/pcie/aer/aerdrv_core.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index fef159a..92a8469 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -117,6 +117,21 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev) return 0; } +int pci_cleanup_aer_correct_error_status(struct pci_dev *dev) +{ + int pos; + u32 status; + + pos = pci_find_aer_capability(dev); + if (!pos) + return -EIO; + + pci_read_config_dword(dev, pos + PCI_ERR_COR_STATUS, &status); + pci_write_config_dword(dev, pos + PCI_ERR_COR_STATUS, status); + + return 0; +} + static int find_device_iter(struct device *device, void *data) { struct pci_dev *dev; @@ -741,4 +756,5 @@ EXPORT_SYMBOL_GPL(pci_find_aer_capability); EXPORT_SYMBOL_GPL(pci_enable_pcie_error_reporting); EXPORT_SYMBOL_GPL(pci_disable_pcie_error_reporting); EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status); +EXPORT_SYMBOL_GPL(pci_cleanup_aer_correct_error_status); |