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>
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 0cbcf6e..de36721 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -117,8 +117,7 @@
* 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 @@
* 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 @@
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 @@
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 @@
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.