From: Thor Thayer <tthayer@xxxxxxxxxxxxxxxxxxxxx>
In preparation for the Arria10 peripheral ECCs, the OCRAM
ECC dependency check was moved into the general ECC area
since this same function can be used by other memories.
Signed-off-by: Thor Thayer <tthayer@xxxxxxxxxxxxxxxxxxxxx>
---
v2: No change
---
drivers/edac/altera_edac.c | 43 +++++++++++++++++++++----------------------
1 file changed, 21 insertions(+), 22 deletions(-)
diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index f0a6de7..f7ffc77 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -648,6 +648,26 @@ static ssize_t altr_edac_device_trig(struct file *file,
return count;
}
+/*
+ * Test for memory's ECC dependencies upon entry because platform specific
+ * startup should have initialized the memory and enabled the ECC.
+ * Can't turn on ECC here because accessing un-initialized memory will
+ * cause CE/UE errors possibly causing an ABORT.
+ */
+static int altr_check_ecc_deps(struct altr_edac_device_dev *device)
+{
+ void __iomem *base = device->base;
+ const struct edac_device_prv_data *prv = device->data;
+
+ if (readl(base + prv->ecc_en_ofst) & prv->ecc_enable_mask)
+ return 0;
+
+ edac_printk(KERN_ERR, EDAC_DEVICE,
+ "%s: No ECC present or ECC disabled.\n",
+ device->edac_dev_name);
+ return -ENODEV;
+}
+
static const struct file_operations altr_edac_device_inject_fops = {
.open = simple_open,
.write = altr_edac_device_trig,
@@ -853,29 +873,8 @@ static void ocram_free_mem(void *p, size_t size, void *other)
gen_pool_free((struct gen_pool *)other, (u32)p, size);
}
-/*
- * altr_ocram_check_deps()
- * Test for OCRAM cache ECC dependencies upon entry because
- * platform specific startup should have initialized the
- * On-Chip RAM memory and enabled the ECC.
- * Can't turn on ECC here because accessing un-initialized
- * memory will cause CE/UE errors possibly causing an ABORT.
- */
-static int altr_ocram_check_deps(struct altr_edac_device_dev *device)
-{
- void __iomem *base = device->base;
- const struct edac_device_prv_data *prv = device->data;
-
- if (readl(base + prv->ecc_en_ofst) & prv->ecc_enable_mask)
- return 0;
-
- edac_printk(KERN_ERR, EDAC_DEVICE,
- "OCRAM: No ECC present or ECC disabled.\n");
- return -ENODEV;
-}
-
const struct edac_device_prv_data ocramecc_data = {
- .setup = altr_ocram_check_deps,
+ .setup = altr_check_ecc_deps,
.ce_clear_mask = (ALTR_OCR_ECC_EN | ALTR_OCR_ECC_SERR),
.ue_clear_mask = (ALTR_OCR_ECC_EN | ALTR_OCR_ECC_DERR),
.dbgfs_name = "altr_ocram_trigger",
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
