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authorBorislav Petkov <borislav.petkov@amd.com>2010-05-25 20:21:07 +0400
committerBorislav Petkov <borislav.petkov@amd.com>2010-08-03 18:14:06 +0400
commiteba042a81edd6baaff44831b2d719b14a6d21e58 (patch)
treea1e768aadf18708114e2d6c4d4a54b3af49e42e9 /drivers/edac/e752x_edac.c
parentbc57117856cf1e581135810b37d3b75f9d1749f5 (diff)
downloadlinux-eba042a81edd6baaff44831b2d719b14a6d21e58.tar.xz
edac, mc: Improve scrub rate handling
Fortify the interface to not accept negative values, remove memctrl_int_store() as a result. Also, sanitize bandwidth setting by making the argument a simple u32 instead of strange u32 pointer being passed around for no obvious reason. Then, fix error handling and teach it to return proper error values. Finally, make code more readable, simplify debug messages. Cc: Mauro Carvalho Chehab <mchehab@redhat.com> Cc: Arthur Jones <ajones@riverbed.com> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Acked-by: Doug Thompson <dougthompson@xmission.com>
Diffstat (limited to 'drivers/edac/e752x_edac.c')
-rw-r--r--drivers/edac/e752x_edac.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index ae3f80c54198..073f5a06d238 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -958,7 +958,7 @@ static void e752x_check(struct mem_ctl_info *mci)
}
/* Program byte/sec bandwidth scrub rate to hardware */
-static int set_sdram_scrub_rate(struct mem_ctl_info *mci, u32 *new_bw)
+static int set_sdram_scrub_rate(struct mem_ctl_info *mci, u32 new_bw)
{
const struct scrubrate *scrubrates;
struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info;
@@ -975,7 +975,7 @@ static int set_sdram_scrub_rate(struct mem_ctl_info *mci, u32 *new_bw)
* desired rate and program the cooresponding register value.
*/
for (i = 0; scrubrates[i].bandwidth != SDRATE_EOT; i++)
- if (scrubrates[i].bandwidth >= *new_bw)
+ if (scrubrates[i].bandwidth >= new_bw)
break;
if (scrubrates[i].bandwidth == SDRATE_EOT)