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i7300_edac: Add a code to cleanup error registers

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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2010-08-27 10:30:18 -03:00
parent 57021918aa
commit e432760509
1 changed files with 27 additions and 2 deletions
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29
drivers/edac/i7300_edac.c
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@ -470,9 +470,34 @@ static void i7300_process_error_info(struct mem_ctl_info *mci,
*/
static void i7300_clear_error(struct mem_ctl_info *mci)
{
struct i7300_error_info info;
struct i7300_pvt *pvt = mci->pvt_info;
u32 value;
/*
* All error values are RWC - we need to read and write 1 to the
* bit that we want to cleanup
*/
i7300_get_error_info(mci, &info);
/* Clear global error registers */
pci_read_config_dword(pvt->pci_dev_16_2_fsb_err_regs,
FERR_GLOBAL_HI, &value);
pci_write_config_dword(pvt->pci_dev_16_2_fsb_err_regs,
FERR_GLOBAL_HI, value);
pci_read_config_dword(pvt->pci_dev_16_2_fsb_err_regs,
FERR_GLOBAL_LO, &value);
pci_write_config_dword(pvt->pci_dev_16_2_fsb_err_regs,
FERR_GLOBAL_LO, value);
/* Clear FBD error registers */
pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
FERR_FAT_FBD, &value);
pci_write_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
FERR_FAT_FBD, value);
pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
FERR_NF_FBD, &value);
pci_write_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
FERR_NF_FBD, value);
}
/*