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path: root/drivers/edac/edac_mc_sysfs.c
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Diffstat (limited to 'drivers/edac/edac_mc_sysfs.c')
-rw-r--r--drivers/edac/edac_mc_sysfs.c86
1 files changed, 37 insertions, 49 deletions
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index c200c2fd43e..8aad94d10c0 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -124,19 +124,6 @@ static const char *edac_caps[] = {
[EDAC_S16ECD16ED] = "S16ECD16ED"
};
-
-
-static ssize_t memctrl_int_store(void *ptr, const char *buffer, size_t count)
-{
- int *value = (int *)ptr;
-
- if (isdigit(*buffer))
- *value = simple_strtoul(buffer, NULL, 0);
-
- return count;
-}
-
-
/* EDAC sysfs CSROW data structures and methods
*/
@@ -450,53 +437,54 @@ static ssize_t mci_reset_counters_store(struct mem_ctl_info *mci,
/* memory scrubbing */
static ssize_t mci_sdram_scrub_rate_store(struct mem_ctl_info *mci,
- const char *data, size_t count)
+ const char *data, size_t count)
{
- u32 bandwidth = -1;
+ unsigned long bandwidth = 0;
+ int err;
- if (mci->set_sdram_scrub_rate) {
+ if (!mci->set_sdram_scrub_rate) {
+ edac_printk(KERN_WARNING, EDAC_MC,
+ "Memory scrub rate setting not implemented!\n");
+ return -EINVAL;
+ }
- memctrl_int_store(&bandwidth, data, count);
+ if (strict_strtoul(data, 10, &bandwidth) < 0)
+ return -EINVAL;
- if (!(*mci->set_sdram_scrub_rate) (mci, &bandwidth)) {
- edac_printk(KERN_DEBUG, EDAC_MC,
- "Scrub rate set successfully, applied: %d\n",
- bandwidth);
- } else {
- /* FIXME: error codes maybe? */
- edac_printk(KERN_DEBUG, EDAC_MC,
- "Scrub rate set FAILED, could not apply: %d\n",
- bandwidth);
- }
- } else {
- /* FIXME: produce "not implemented" ERROR for user-side. */
- edac_printk(KERN_WARNING, EDAC_MC,
- "Memory scrubbing 'set'control is not implemented!\n");
+ err = mci->set_sdram_scrub_rate(mci, (u32)bandwidth);
+ if (err) {
+ edac_printk(KERN_DEBUG, EDAC_MC,
+ "Failed setting scrub rate to %lu\n", bandwidth);
+ return -EINVAL;
+ }
+ else {
+ edac_printk(KERN_DEBUG, EDAC_MC,
+ "Scrub rate set to: %lu\n", bandwidth);
+ return count;
}
- return count;
}
static ssize_t mci_sdram_scrub_rate_show(struct mem_ctl_info *mci, char *data)
{
- u32 bandwidth = -1;
-
- if (mci->get_sdram_scrub_rate) {
- if (!(*mci->get_sdram_scrub_rate) (mci, &bandwidth)) {
- edac_printk(KERN_DEBUG, EDAC_MC,
- "Scrub rate successfully, fetched: %d\n",
- bandwidth);
- } else {
- /* FIXME: error codes maybe? */
- edac_printk(KERN_DEBUG, EDAC_MC,
- "Scrub rate fetch FAILED, got: %d\n",
- bandwidth);
- }
- } else {
- /* FIXME: produce "not implemented" ERROR for user-side. */
+ u32 bandwidth = 0;
+ int err;
+
+ if (!mci->get_sdram_scrub_rate) {
edac_printk(KERN_WARNING, EDAC_MC,
- "Memory scrubbing 'get' control is not implemented\n");
+ "Memory scrub rate reading not implemented\n");
+ return -EINVAL;
+ }
+
+ err = mci->get_sdram_scrub_rate(mci, &bandwidth);
+ if (err) {
+ edac_printk(KERN_DEBUG, EDAC_MC, "Error reading scrub rate\n");
+ return err;
+ }
+ else {
+ edac_printk(KERN_DEBUG, EDAC_MC,
+ "Read scrub rate: %d\n", bandwidth);
+ return sprintf(data, "%d\n", bandwidth);
}
- return sprintf(data, "%d\n", bandwidth);
}
/* default attribute files for the MCI object */