summaryrefslogtreecommitdiff
path: root/drivers/edac/i7300_edac.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/edac/i7300_edac.c')
-rw-r--r--drivers/edac/i7300_edac.c77
1 files changed, 38 insertions, 39 deletions
diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index 9004c64b169e..69068f8d0cad 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -1,13 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel 7300 class Memory Controllers kernel module (Clarksboro)
*
- * This file may be distributed under the terms of the
- * GNU General Public License version 2 only.
- *
* Copyright (c) 2010 by:
- * Mauro Carvalho Chehab <mchehab@redhat.com>
+ * Mauro Carvalho Chehab
*
- * Red Hat Inc. http://www.redhat.com
+ * Red Hat Inc. https://www.redhat.com
*
* Intel 7300 Chipset Memory Controller Hub (MCH) - Datasheet
* http://www.intel.com/Assets/PDF/datasheet/318082.pdf
@@ -25,8 +23,9 @@
#include <linux/slab.h>
#include <linux/edac.h>
#include <linux/mmzone.h>
+#include <linux/string_choices.h>
-#include "edac_core.h"
+#include "edac_module.h"
/*
* Alter this version for the I7300 module when modifications are made
@@ -304,7 +303,6 @@ static const char *ferr_global_lo_name[] = {
#define REDMEMA 0xdc
#define REDMEMB 0x7c
- #define IS_SECOND_CH(v) ((v) * (1 << 17))
#define RECMEMA 0xe0
#define RECMEMA_BANK(v) (((v) >> 12) & 7)
@@ -483,8 +481,9 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
REDMEMB, &value);
channel = (branch << 1);
- if (IS_SECOND_CH(value))
- channel++;
+
+ /* Second channel ? */
+ channel += !!(value & BIT(17));
/* Clear the error bit */
pci_write_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
@@ -582,7 +581,7 @@ static void i7300_enable_error_reporting(struct mem_ctl_info *mci)
* @ch: Channel number within the branch (0 or 1)
* @branch: Branch number (0 or 1)
* @dinfo: Pointer to DIMM info where dimm size is stored
- * @p_csrow: Pointer to the struct csrow_info that corresponds to that element
+ * @dimm: Pointer to the struct dimm_info that corresponds to that element
*/
static int decode_mtr(struct i7300_pvt *pvt,
int slot, int ch, int branch,
@@ -622,7 +621,7 @@ static int decode_mtr(struct i7300_pvt *pvt,
edac_dbg(2, "\t\tWIDTH: x%d\n", MTR_DRAM_WIDTH(mtr));
edac_dbg(2, "\t\tELECTRICAL THROTTLING is %s\n",
- MTR_DIMMS_ETHROTTLE(mtr) ? "enabled" : "disabled");
+ str_enabled_disabled(MTR_DIMMS_ETHROTTLE(mtr)));
edac_dbg(2, "\t\tNUMBANK: %d bank(s)\n", MTR_DRAM_BANKS(mtr));
edac_dbg(2, "\t\tNUMRANK: %s\n",
@@ -796,8 +795,7 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
for (ch = 0; ch < max_channel; ch++) {
int channel = to_channel(ch, branch);
- dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms,
- mci->n_layers, branch, ch, slot);
+ dimm = edac_get_dimm(mci, branch, ch, slot);
dinfo = &pvt->dimm_info[slot][channel];
@@ -819,7 +817,7 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
/**
* decode_mir() - Decodes Memory Interleave Register (MIR) info
- * @int mir_no: number of the MIR register to decode
+ * @mir_no: number of the MIR register to decode
* @mir: array with the MIR data cached on the driver
*/
static void decode_mir(int mir_no, u16 mir[MAX_MIR])
@@ -874,9 +872,9 @@ static int i7300_get_mc_regs(struct mem_ctl_info *mci)
IS_MIRRORED(pvt->mc_settings) ? "" : "non-");
edac_dbg(0, "Error detection is %s\n",
- IS_ECC_ENABLED(pvt->mc_settings) ? "enabled" : "disabled");
+ str_enabled_disabled(IS_ECC_ENABLED(pvt->mc_settings)));
edac_dbg(0, "Retry is %s\n",
- IS_RETRY_ENABLED(pvt->mc_settings) ? "enabled" : "disabled");
+ str_enabled_disabled(IS_RETRY_ENABLED(pvt->mc_settings)));
/* Get Memory Interleave Range registers */
pci_read_config_word(pvt->pci_dev_16_1_fsb_addr_map, MIR0,
@@ -943,33 +941,35 @@ static int i7300_get_devices(struct mem_ctl_info *mci)
/* Attempt to 'get' the MCH register we want */
pdev = NULL;
- while (!pvt->pci_dev_16_1_fsb_addr_map ||
- !pvt->pci_dev_16_2_fsb_err_regs) {
- pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_I7300_MCH_ERR, pdev);
- if (!pdev) {
- /* End of list, leave */
- i7300_printk(KERN_ERR,
- "'system address,Process Bus' "
- "device not found:"
- "vendor 0x%x device 0x%x ERR funcs "
- "(broken BIOS?)\n",
- PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_I7300_MCH_ERR);
- goto error;
- }
-
+ while ((pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_I7300_MCH_ERR,
+ pdev))) {
/* Store device 16 funcs 1 and 2 */
switch (PCI_FUNC(pdev->devfn)) {
case 1:
- pvt->pci_dev_16_1_fsb_addr_map = pdev;
+ if (!pvt->pci_dev_16_1_fsb_addr_map)
+ pvt->pci_dev_16_1_fsb_addr_map =
+ pci_dev_get(pdev);
break;
case 2:
- pvt->pci_dev_16_2_fsb_err_regs = pdev;
+ if (!pvt->pci_dev_16_2_fsb_err_regs)
+ pvt->pci_dev_16_2_fsb_err_regs =
+ pci_dev_get(pdev);
break;
}
}
+ if (!pvt->pci_dev_16_1_fsb_addr_map ||
+ !pvt->pci_dev_16_2_fsb_err_regs) {
+ /* At least one device was not found */
+ i7300_printk(KERN_ERR,
+ "'system address,Process Bus' device not found:"
+ "vendor 0x%x device 0x%x ERR funcs (broken BIOS?)\n",
+ PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_I7300_MCH_ERR);
+ goto error;
+ }
+
edac_dbg(1, "System Address, processor bus- PCI Bus ID: %s %x:%x\n",
pci_name(pvt->pci_dev_16_0_fsb_ctlr),
pvt->pci_dev_16_0_fsb_ctlr->vendor,
@@ -1075,7 +1075,6 @@ static int i7300_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
mci->edac_ctl_cap = EDAC_FLAG_NONE;
mci->edac_cap = EDAC_FLAG_NONE;
mci->mod_name = "i7300_edac.c";
- mci->mod_ver = I7300_REVISION;
mci->ctl_name = i7300_devs[0].ctl_name;
mci->dev_name = pci_name(pdev);
mci->ctl_page_to_phys = NULL;
@@ -1160,7 +1159,7 @@ static void i7300_remove_one(struct pci_dev *pdev)
*
* Has only 8086:360c PCI ID
*/
-static DEFINE_PCI_DEVICE_TABLE(i7300_pci_tbl) = {
+static const struct pci_device_id i7300_pci_tbl[] = {
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_I7300_MCH_ERR)},
{0,} /* 0 terminated list. */
};
@@ -1195,7 +1194,7 @@ static int __init i7300_init(void)
}
/**
- * i7300_init() - Unregisters the driver
+ * i7300_exit() - Unregisters the driver
*/
static void __exit i7300_exit(void)
{
@@ -1207,8 +1206,8 @@ module_init(i7300_init);
module_exit(i7300_exit);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
-MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)");
+MODULE_AUTHOR("Mauro Carvalho Chehab");
+MODULE_AUTHOR("Red Hat Inc. (https://www.redhat.com)");
MODULE_DESCRIPTION("MC Driver for Intel I7300 memory controllers - "
I7300_REVISION);
generated by cgit (git 2.34.1) at 2025-12-25 14:56:54 +0000