X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fedac%2Famd76x_edac.c;h=f79f6b587bfa740383bb9f7dfe0616a4b6f0b099;hb=fca2714f27376caa04c3127c802a553b295eaa32;hp=303cb500b377707ee95200a7023d31b7a03c60d6;hpb=2d7bbb91c8df26c60d223205a087507430024177;p=powerpc.git

diff --git a/drivers/edac/amd76x_edac.c b/drivers/edac/amd76x_edac.c
index 303cb500b3..f79f6b587b 100644
--- a/drivers/edac/amd76x_edac.c
+++ b/drivers/edac/amd76x_edac.c
@@ -12,7 +12,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/pci.h>
@@ -20,8 +19,8 @@
 #include <linux/slab.h>
 #include "edac_mc.h"
 
-#define AMD76X_REVISION	" Ver: 2.0.0 "  __DATE__
-
+#define AMD76X_REVISION	" Ver: 2.0.1 "  __DATE__
+#define EDAC_MOD_STR	"amd76x_edac"
 
 #define amd76x_printk(level, fmt, arg...) \
 	edac_printk(level, "amd76x", fmt, ##arg)
@@ -182,6 +181,38 @@ static void amd76x_check(struct mem_ctl_info *mci)
 	amd76x_process_error_info(mci, &info, 1);
 }
 
+static void amd76x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
+		enum edac_type edac_mode)
+{
+	struct csrow_info *csrow;
+	u32 mba, mba_base, mba_mask, dms;
+	int index;
+
+	for (index = 0; index < mci->nr_csrows; index++) {
+		csrow = &mci->csrows[index];
+
+		/* find the DRAM Chip Select Base address and mask */
+		pci_read_config_dword(pdev,
+				      AMD76X_MEM_BASE_ADDR + (index * 4),
+				      &mba);
+
+		if (!(mba & BIT(0)))
+			continue;
+
+		mba_base = mba & 0xff800000UL;
+		mba_mask = ((mba & 0xff80) << 16) | 0x7fffffUL;
+		pci_read_config_dword(pdev, AMD76X_DRAM_MODE_STATUS, &dms);
+		csrow->first_page = mba_base >> PAGE_SHIFT;
+		csrow->nr_pages = (mba_mask + 1) >> PAGE_SHIFT;
+		csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
+		csrow->page_mask = mba_mask >> PAGE_SHIFT;
+		csrow->grain = csrow->nr_pages << PAGE_SHIFT;
+		csrow->mtype = MEM_RDDR;
+		csrow->dtype = ((dms >> index) & 0x1) ? DEV_X4 : DEV_UNKNOWN;
+		csrow->edac_mode = edac_mode;
+	}
+}
+
 /**
  *	amd76x_probe1	-	Perform set up for detected device
  *	@pdev; PCI device detected
@@ -193,15 +224,13 @@ static void amd76x_check(struct mem_ctl_info *mci)
  */
 static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
 {
-	int rc = -ENODEV;
-	int index;
-	struct mem_ctl_info *mci = NULL;
-	enum edac_type ems_modes[] = {
+	static const enum edac_type ems_modes[] = {
 		EDAC_NONE,
 		EDAC_EC,
 		EDAC_SECDED,
 		EDAC_SECDED
 	};
+	struct mem_ctl_info *mci = NULL;
 	u32 ems;
 	u32 ems_mode;
 	struct amd76x_error_info discard;
@@ -212,8 +241,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
 	mci = edac_mc_alloc(0, AMD76X_NR_CSROWS, AMD76X_NR_CHANS);
 
 	if (mci == NULL) {
-		rc = -ENOMEM;
-		goto fail;
+		return -ENOMEM;
 	}
 
 	debugf0("%s(): mci = %p\n", __func__, mci);
@@ -228,33 +256,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
 	mci->edac_check = amd76x_check;
 	mci->ctl_page_to_phys = NULL;
 
-	for (index = 0; index < mci->nr_csrows; index++) {
-		struct csrow_info *csrow = &mci->csrows[index];
-		u32 mba;
-		u32 mba_base;
-		u32 mba_mask;
-		u32 dms;
-
-		/* find the DRAM Chip Select Base address and mask */
-		pci_read_config_dword(pdev,
-				AMD76X_MEM_BASE_ADDR + (index * 4), &mba);
-
-		if (!(mba & BIT(0)))
-			continue;
-
-		mba_base = mba & 0xff800000UL;
-		mba_mask = ((mba & 0xff80) << 16) | 0x7fffffUL;
-		pci_read_config_dword(pdev, AMD76X_DRAM_MODE_STATUS, &dms);
-		csrow->first_page = mba_base >> PAGE_SHIFT;
-		csrow->nr_pages = (mba_mask + 1) >> PAGE_SHIFT;
-		csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
-		csrow->page_mask = mba_mask >> PAGE_SHIFT;
-		csrow->grain = csrow->nr_pages << PAGE_SHIFT;
-		csrow->mtype = MEM_RDDR;
-		csrow->dtype = ((dms >> index) & 0x1) ? DEV_X4 : DEV_UNKNOWN;
-		csrow->edac_mode = ems_modes[ems_mode];
-	}
-
+	amd76x_init_csrows(mci, pdev, ems_modes[ems_mode]);
 	amd76x_get_error_info(mci, &discard);  /* clear counters */
 
 	/* Here we assume that we will never see multiple instances of this
@@ -270,9 +272,8 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
 	return 0;
 
 fail:
-	if (mci != NULL)
-		edac_mc_free(mci);
-	return rc;
+	edac_mc_free(mci);
+	return -ENODEV;
 }
 
 /* returns count (>= 0), or negative on error */