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amd64_edac: Add per-family init function 

Run a per-family init function which does all the settings based on
the family this driver instance is running on. Move the scrubrate
calculation in it and simplify code.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
This commit is contained in:
Borislav Petkov 2010-10-01 18:38:19 +02:00
parent 9f56da0e3c
commit 395ae783b3
2 changed files with 28 additions and 19 deletions
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44
drivers/edac/amd64_edac.c
View File

@ -117,8 +117,7 @@ struct scrubrate scrubrates[] = {
* scan the scrub rate mapping table for a close or matching bandwidth value to
* issue. If requested is too big, then use last maximum value found.
*/
static int amd64_search_set_scrub_rate(struct pci_dev *ctl, u32 new_bw,
u32 min_scrubrate)
static int __amd64_set_scrub_rate(struct pci_dev *ctl, u32 new_bw, u32 min_rate)
{
u32 scrubval;
int i;
@ -134,7 +133,7 @@ static int amd64_search_set_scrub_rate(struct pci_dev *ctl, u32 new_bw,
* skip scrub rates which aren't recommended
* (see F10 BKDG, F3x58)
*/
if (scrubrates[i].scrubval < min_scrubrate)
if (scrubrates[i].scrubval < min_rate)
continue;
if (scrubrates[i].bandwidth <= new_bw)
@ -160,25 +159,11 @@ static int amd64_search_set_scrub_rate(struct pci_dev *ctl, u32 new_bw,
return 0;
}
static int amd64_set_scrub_rate(struct mem_ctl_info *mci, u32 bandwidth)
static int amd64_set_scrub_rate(struct mem_ctl_info *mci, u32 bw)
{
struct amd64_pvt *pvt = mci->pvt_info;
u32 min_scrubrate = 0x0;
switch (boot_cpu_data.x86) {
case 0xf:
min_scrubrate = K8_MIN_SCRUB_RATE_BITS;
break;
case 0x10:
min_scrubrate = F10_MIN_SCRUB_RATE_BITS;
break;
default:
amd64_printk(KERN_ERR, "Unsupported family!\n");
return -EINVAL;
}
return amd64_search_set_scrub_rate(pvt->misc_f3_ctl, bandwidth,
min_scrubrate);
return __amd64_set_scrub_rate(pvt->misc_f3_ctl, bw, pvt->min_scrubrate);
}
static int amd64_get_scrub_rate(struct mem_ctl_info *mci, u32 *bw)
@ -2607,6 +2592,23 @@ static void amd64_setup_mci_misc_attributes(struct mem_ctl_info *mci)
mci->get_sdram_scrub_rate = amd64_get_scrub_rate;
}
static int amd64_per_family_init(struct amd64_pvt *pvt)
{
switch (boot_cpu_data.x86) {
case 0xf:
pvt->min_scrubrate = K8_MIN_SCRUB_RATE_BITS;
break;
case 0x10:
pvt->min_scrubrate = F10_MIN_SCRUB_RATE_BITS;
break;
default:
amd64_printk(KERN_ERR, "Unsupported family!\n");
return -EINVAL;
}
return 0;
}
/*
* Init stuff for this DRAM Controller device.
*
@ -2637,6 +2639,10 @@ static int amd64_probe_one_instance(struct pci_dev *dram_f2_ctl,
pvt->mc_type_index = mc_type_index;
pvt->ops = family_ops(mc_type_index);
ret = -EINVAL;
if (amd64_per_family_init(pvt))
goto err_free;
/*
* We have the dram_f2_ctl device as an argument, now go reserve its
* sibling devices from the PCI system.

3
drivers/edac/amd64_edac.h
View File

@ -461,6 +461,9 @@ struct amd64_pvt {
/* MC Type Index value: socket F vs Family 10h */
u32 mc_type_index;
/* DCT per-family scrubrate setting */
u32 min_scrubrate;
/* misc settings */
struct flags {
unsigned long cf8_extcfg:1;