[PATCHv2 3/7] EDAC, altera: Move Arria10 IRQ function

From: tthayer
Date: Mon Apr 25 2016 - 13:49:07 EST


From: Thor Thayer <tthayer@xxxxxxxxxxxxxxxxxxxxx>

In preparation for additional memory module ECCs, the IRQ and
check_deps() functions are being made available to all the
memory buffers. Move it outside of the OCRAM only area.

Signed-off-by: Thor Thayer <tthayer@xxxxxxxxxxxxxxxxxxxxx>
---
v2 New patch. Move shared functions outside OCRAM only area.
---
drivers/edac/altera_edac.c | 48 +++++++++++++++++++++++++-------------------
1 file changed, 27 insertions(+), 21 deletions(-)

diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index d4afecc..dc09627 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -825,9 +825,9 @@ static struct platform_driver altr_edac_device_driver = {
};
module_platform_driver(altr_edac_device_driver);

-/*********************** OCRAM EDAC Device Functions *********************/
+/*********************** Arria10 Shared ECC Functions ********************/

-#ifdef CONFIG_EDAC_ALTERA_OCRAM
+#if defined(CONFIG_EDAC_ALTERA_OCRAM) || defined(CONFIG_EDAC_ALTERA_ETHERNET)
/*
* Test for memory's ECC dependencies upon entry because platform specific
* startup should have initialized the memory and enabled the ECC.
@@ -848,6 +848,31 @@ static int altr_check_ecc_deps(struct altr_edac_device_dev *device)
return -ENODEV;
}

+static irqreturn_t altr_edac_a10_ecc_irq(struct altr_edac_device_dev *dci,
+ bool sberr)
+{
+ void __iomem *base = dci->base;
+
+ if (sberr) {
+ writel(ALTR_A10_ECC_SERRPENA,
+ base + ALTR_A10_ECC_INTSTAT_OFST);
+ edac_device_handle_ce(dci->edac_dev, 0, 0, dci->edac_dev_name);
+ } else {
+ writel(ALTR_A10_ECC_DERRPENA,
+ base + ALTR_A10_ECC_INTSTAT_OFST);
+ edac_device_handle_ue(dci->edac_dev, 0, 0, dci->edac_dev_name);
+ if (dci->data->panic)
+ panic("\nEDAC:ECC_DEVICE[Uncorrectable errors]\n");
+ }
+ return IRQ_HANDLED;
+}
+
+#endif /* CONFIG_EDAC_ALTERA_OCRAM || CONFIG_EDAC_ALTERA_ETHERNET */
+
+/*********************** OCRAM EDAC Device Functions *********************/
+
+#ifdef CONFIG_EDAC_ALTERA_OCRAM
+
static void *ocram_alloc_mem(size_t size, void **other)
{
struct device_node *np;
@@ -882,25 +907,6 @@ static void ocram_free_mem(void *p, size_t size, void *other)
gen_pool_free((struct gen_pool *)other, (u32)p, size);
}

-static irqreturn_t altr_edac_a10_ecc_irq(struct altr_edac_device_dev *dci,
- bool sberr)
-{
- void __iomem *base = dci->base;
-
- if (sberr) {
- writel(ALTR_A10_ECC_SERRPENA,
- base + ALTR_A10_ECC_INTSTAT_OFST);
- edac_device_handle_ce(dci->edac_dev, 0, 0, dci->edac_dev_name);
- } else {
- writel(ALTR_A10_ECC_DERRPENA,
- base + ALTR_A10_ECC_INTSTAT_OFST);
- edac_device_handle_ue(dci->edac_dev, 0, 0, dci->edac_dev_name);
- if (dci->data->panic)
- panic("\nEDAC:ECC_DEVICE[Uncorrectable errors]\n");
- }
- return IRQ_HANDLED;
-}
-
const struct edac_device_prv_data ocramecc_data = {
.setup = altr_check_ecc_deps,
.ce_clear_mask = (ALTR_OCR_ECC_EN | ALTR_OCR_ECC_SERR),
--
1.7.9.5