diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/edac/altera_edac.c | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c index f0a6de748fae..f7ffc77998a4 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", |