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WSL2-Linux-Kernel
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[PATCH] EDAC: cleanup code for clearing initial errors 

Fix xxx_probe1() functions so they call xxx_get_error_info() functions
to clear initial errors.  This is simpler and cleaner than duplicating
the low-level code for accessing PCI config space.

Signed-off-by: David S. Peterson <dsp@llnl.gov>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Dave Peterson 2006-03-26 01:38:45 -08:00 коммит произвёл Linus Torvalds
Родитель d38fde84f7
Коммит 749ede5744
7 изменённых файлов: 13 добавлений и 44 удалений
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5
drivers/edac/amd76x_edac.c
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@ -211,6 +211,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
};
u32 ems;
u32 ems_mode;
struct amd76x_error_info discard;
debugf0("%s()\n", __func__);
@ -270,9 +271,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
csrow->edac_mode = ems_modes[ems_mode];
}
/* clear counters */
pci_write_bits32(mci->pdev, AMD76X_ECC_MODE_STATUS, (u32) (0x3 << 8),
(u32) (0x3 << 8));
amd76x_get_error_info(mci, &discard); /* clear counters */
if (edac_mc_add_mc(mci)) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);

22
drivers/edac/e752x_edac.c
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@ -747,8 +747,6 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
int rc = -ENODEV;
int index;
u16 pci_data;
u32 stat32;
u16 stat16;
u8 stat8;
struct mem_ctl_info *mci = NULL;
struct e752x_pvt *pvt = NULL;
@ -760,6 +758,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
u32 dra;
unsigned long last_cumul_size;
struct pci_dev *dev = NULL;
struct e752x_error_info discard;
debugf0("%s(): mci\n", __func__);
debugf0("Starting Probe1\n");
@ -938,24 +937,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
pci_write_config_byte(dev, E752X_DRAM_ERRMASK, 0x00);
pci_write_config_byte(dev, E752X_DRAM_SMICMD, 0x00);
/* clear other MCH errors */
pci_read_config_dword(dev, E752X_FERR_GLOBAL, &stat32);
pci_write_config_dword(dev, E752X_FERR_GLOBAL, stat32);
pci_read_config_dword(dev, E752X_NERR_GLOBAL, &stat32);
pci_write_config_dword(dev, E752X_NERR_GLOBAL, stat32);
pci_read_config_byte(dev, E752X_HI_FERR, &stat8);
pci_write_config_byte(dev, E752X_HI_FERR, stat8);
pci_read_config_byte(dev, E752X_HI_NERR, &stat8);
pci_write_config_byte(dev, E752X_HI_NERR, stat8);
pci_read_config_dword(dev, E752X_SYSBUS_FERR, &stat32);
pci_write_config_dword(dev, E752X_SYSBUS_FERR, stat32);
pci_read_config_byte(dev, E752X_BUF_FERR, &stat8);
pci_write_config_byte(dev, E752X_BUF_FERR, stat8);
pci_read_config_byte(dev, E752X_BUF_NERR, &stat8);
pci_write_config_byte(dev, E752X_BUF_NERR, stat8);
pci_read_config_word(dev, E752X_DRAM_FERR, &stat16);
pci_write_config_word(dev, E752X_DRAM_FERR, stat16);
pci_read_config_word(dev, E752X_DRAM_NERR, &stat16);
pci_write_config_word(dev, E752X_DRAM_NERR, stat16);
e752x_get_error_info(mci, &discard);
/* get this far and it's successful */
debugf3("%s(): success\n", __func__);

5
drivers/edac/e7xxx_edac.c
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@ -357,7 +357,7 @@ static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx)
int drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */
u32 dra;
unsigned long last_cumul_size;
struct e7xxx_error_info discard;
debugf0("%s(): mci\n", __func__);
@ -470,8 +470,7 @@ static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx)
pvt->tolm, pvt->remapbase, pvt->remaplimit);
/* clear any pending errors, or initial state bits */
pci_write_bits8(pvt->bridge_ck, E7XXX_DRAM_FERR, 0x03, 0x03);
pci_write_bits8(pvt->bridge_ck, E7XXX_DRAM_NERR, 0x03, 0x03);
e7xxx_get_error_info(mci, &discard);
if (edac_mc_add_mc(mci) != 0) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);

3
drivers/edac/edac_mc.c
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@ -2095,9 +2095,6 @@ static int __init edac_mc_init(void)
*/
clear_pci_parity_errors();
/* perform check for first time to harvest boot leftovers */
do_edac_check();
/* Create the MC sysfs entires */
if (edac_sysfs_memctrl_setup()) {
edac_printk(KERN_ERR, EDAC_MC,

4
drivers/edac/i82860_edac.c
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@ -134,6 +134,7 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx)
int index;
struct mem_ctl_info *mci = NULL;
unsigned long last_cumul_size;
struct i82860_error_info discard;
u16 mchcfg_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */
@ -200,8 +201,7 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx)
csrow->edac_mode = mchcfg_ddim ? EDAC_SECDED : EDAC_NONE;
}
/* clear counters */
pci_write_bits16(mci->pdev, I82860_ERRSTS, 0x0003, 0x0003);
i82860_get_error_info(mci, &discard); /* clear counters */
if (edac_mc_add_mc(mci)) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);

4
drivers/edac/i82875p_edac.c
Просмотреть файл

@ -286,6 +286,7 @@ static int i82875p_probe1(struct pci_dev *pdev, int dev_idx)
u32 drc_chan; /* Number of channels 0=1chan,1=2chan */
u32 nr_chans;
u32 drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */
struct i82875p_error_info discard;
debugf0("%s()\n", __func__);
@ -397,8 +398,7 @@ static int i82875p_probe1(struct pci_dev *pdev, int dev_idx)
csrow->edac_mode = drc_ddim ? EDAC_SECDED : EDAC_NONE;
}
/* clear counters */
pci_write_bits16(mci->pdev, I82875P_ERRSTS, 0x0081, 0x0081);
i82875p_get_error_info(mci, &discard); /* clear counters */
if (edac_mc_add_mc(mci)) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);

14
drivers/edac/r82600_edac.c
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@ -219,7 +219,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
u32 scrub_disabled;
u32 sdram_refresh_rate;
u32 row_high_limit_last = 0;
u32 eap_init_bits;
struct r82600_error_info discard;
debugf0("%s()\n", __func__);
@ -311,8 +311,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
row_high_limit_last = row_high_limit;
}
/* clear counters */
/* FIXME should we? */
r82600_get_error_info(mci, &discard); /* clear counters */
if (edac_mc_add_mc(mci)) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
@ -321,19 +320,12 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
/* get this far and it's successful */
/* Clear error flags to allow next error to be reported [p.62] */
/* Test systems seem to always have the UE flag raised on boot */
eap_init_bits = BIT(0) & BIT(1);
if (disable_hardware_scrub) {
eap_init_bits |= BIT(31);
debugf3("%s(): Disabling Hardware Scrub (scrub on error)\n",
__func__);
pci_write_bits32(mci->pdev, R82600_EAP, BIT(31), BIT(31));
}
pci_write_bits32(mci->pdev, R82600_EAP, eap_init_bits,
eap_init_bits);
debugf3("%s(): success\n", __func__);
return 0;