From e43276050927c7dfc45b1e2f090b94f72f87c052 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 27 Aug 2010 10:30:18 -0300 Subject: [PATCH] i7300_edac: Add a code to cleanup error registers Signed-off-by: Mauro Carvalho Chehab --- drivers/edac/i7300_edac.c | 29 +++++++++++++++++++++++++++-- 1 file changed, 27 insertions(+), 2 deletions(-) diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c index 728f9b0ab62c..3b6da20de4e5 100644 --- a/drivers/edac/i7300_edac.c +++ b/drivers/edac/i7300_edac.c @@ -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); } /* -- 2.30.2