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path: root/drivers/edac/i82860_edac.c
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Diffstat (limited to 'drivers/edac/i82860_edac.c')
-rw-r--r--drivers/edac/i82860_edac.c66
1 files changed, 39 insertions, 27 deletions
diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c
index 688854260a0..fd342163cf9 100644
--- a/drivers/edac/i82860_edac.c
+++ b/drivers/edac/i82860_edac.c
@@ -9,7 +9,6 @@
* by Thayne Harbaugh of Linux Networx. (http://lnxi.com)
*/
-
#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
@@ -18,14 +17,11 @@
#include <linux/slab.h>
#include "edac_mc.h"
-
#define i82860_printk(level, fmt, arg...) \
- edac_printk(level, "i82860", fmt, ##arg)
-
+ edac_printk(level, "i82860", fmt, ##arg)
#define i82860_mc_printk(mci, level, fmt, arg...) \
- edac_mc_chipset_printk(mci, level, "i82860", fmt, ##arg)
-
+ edac_mc_chipset_printk(mci, level, "i82860", fmt, ##arg)
#ifndef PCI_DEVICE_ID_INTEL_82860_0
#define PCI_DEVICE_ID_INTEL_82860_0 0x2531
@@ -56,13 +52,15 @@ struct i82860_error_info {
static const struct i82860_dev_info i82860_devs[] = {
[I82860] = {
- .ctl_name = "i82860"},
+ .ctl_name = "i82860"
+ },
};
static struct pci_dev *mci_pdev = NULL; /* init dev: in case that AGP code
- has already registered driver */
+ * has already registered driver
+ */
-static void i82860_get_error_info (struct mem_ctl_info *mci,
+static void i82860_get_error_info(struct mem_ctl_info *mci,
struct i82860_error_info *info)
{
/*
@@ -84,14 +82,15 @@ static void i82860_get_error_info (struct mem_ctl_info *mci,
*/
if (!(info->errsts2 & 0x0003))
return;
+
if ((info->errsts ^ info->errsts2) & 0x0003) {
pci_read_config_dword(mci->pdev, I82860_EAP, &info->eap);
pci_read_config_word(mci->pdev, I82860_DERRCTL_STS,
- &info->derrsyn);
+ &info->derrsyn);
}
}
-static int i82860_process_error_info (struct mem_ctl_info *mci,
+static int i82860_process_error_info(struct mem_ctl_info *mci,
struct i82860_error_info *info, int handle_errors)
{
int row;
@@ -113,8 +112,8 @@ static int i82860_process_error_info (struct mem_ctl_info *mci,
if (info->errsts & 0x0002)
edac_mc_handle_ue(mci, info->eap, 0, row, "i82860 UE");
else
- edac_mc_handle_ce(mci, info->eap, 0, info->derrsyn, row,
- 0, "i82860 UE");
+ edac_mc_handle_ce(mci, info->eap, 0, info->derrsyn, row, 0,
+ "i82860 UE");
return 1;
}
@@ -147,15 +146,14 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx)
going to make 1 channel for group.
*/
mci = edac_mc_alloc(0, 16, 1);
+
if (!mci)
return -ENOMEM;
debugf3("%s(): init mci\n", __func__);
-
mci->pdev = pdev;
mci->mtype_cap = MEM_FLAG_DDR;
-
mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED;
/* I"m not sure about this but I think that all RDRAM is SECDED */
mci->edac_cap = EDAC_FLAG_SECDED;
@@ -182,12 +180,13 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx)
struct csrow_info *csrow = &mci->csrows[index];
pci_read_config_word(mci->pdev, I82860_GBA + index * 2,
- &value);
+ &value);
cumul_size = (value & I82860_GBA_MASK) <<
(I82860_GBA_SHIFT - PAGE_SHIFT);
debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index,
cumul_size);
+
if (cumul_size == last_cumul_size)
continue; /* not populated */
@@ -195,7 +194,7 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx)
csrow->last_page = cumul_size - 1;
csrow->nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;
- csrow->grain = 1 << 12; /* I82860_EAP has 4KiB reolution */
+ csrow->grain = 1 << 12; /* I82860_EAP has 4KiB reolution */
csrow->mtype = MEM_RMBS;
csrow->dtype = DEV_UNKNOWN;
csrow->edac_mode = mchcfg_ddim ? EDAC_SECDED : EDAC_NONE;
@@ -211,23 +210,27 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx)
debugf3("%s(): success\n", __func__);
rc = 0;
}
+
return rc;
}
/* returns count (>= 0), or negative on error */
static int __devinit i82860_init_one(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+ const struct pci_device_id *ent)
{
int rc;
debugf0("%s()\n", __func__);
-
i82860_printk(KERN_INFO, "i82860 init one\n");
- if(pci_enable_device(pdev) < 0)
+
+ if (pci_enable_device(pdev) < 0)
return -EIO;
+
rc = i82860_probe1(pdev, ent->driver_data);
- if(rc == 0)
+
+ if (rc == 0)
mci_pdev = pci_dev_get(pdev);
+
return rc;
}
@@ -244,9 +247,13 @@ static void __devexit i82860_remove_one(struct pci_dev *pdev)
}
static const struct pci_device_id i82860_pci_tbl[] __devinitdata = {
- {PCI_VEND_DEV(INTEL, 82860_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- I82860},
- {0,} /* 0 terminated list. */
+ {
+ PCI_VEND_DEV(INTEL, 82860_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ I82860
+ },
+ {
+ 0,
+ } /* 0 terminated list. */
};
MODULE_DEVICE_TABLE(pci, i82860_pci_tbl);
@@ -263,24 +270,29 @@ static int __init i82860_init(void)
int pci_rc;
debugf3("%s()\n", __func__);
+
if ((pci_rc = pci_register_driver(&i82860_driver)) < 0)
goto fail0;
if (!mci_pdev) {
mci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_82860_0, NULL);
+ PCI_DEVICE_ID_INTEL_82860_0, NULL);
+
if (mci_pdev == NULL) {
debugf0("860 pci_get_device fail\n");
pci_rc = -ENODEV;
goto fail1;
}
+
pci_rc = i82860_init_one(mci_pdev, i82860_pci_tbl);
+
if (pci_rc < 0) {
debugf0("860 init fail\n");
pci_rc = -ENODEV;
goto fail1;
}
}
+
return 0;
fail1:
@@ -307,6 +319,6 @@ module_init(i82860_init);
module_exit(i82860_exit);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR
- ("Red Hat Inc. (http://www.redhat.com) Ben Woodard <woodard@redhat.com>");
+MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com) "
+ "Ben Woodard <woodard@redhat.com>");
MODULE_DESCRIPTION("ECC support for Intel 82860 memory hub controllers");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-12 08:12:45 +0000