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Subject[PATCH 3/4] EDAC, altera: Add Stratix10 SDMMC support
Date
From: Thor Thayer <thor.thayer@linux.intel.com>

Addition of SDMMC EDAC for Stratix10 which has IRQ
differences from Arria10. Update comment accordingly.

Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
---
drivers/edac/altera_edac.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index b7bc8f020df8..c2e693e34d43 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -1583,8 +1583,12 @@ static int altr_portb_setup(struct altr_edac_device_dev *device)
dci->mod_name = ecc_name;
dci->dev_name = ecc_name;

- /* Update the IRQs for PortB */
+ /* Update the PortB IRQs - A10 has 4, S10 has 2, Index accordingly */
+#ifdef CONFIG_ARCH_STRATIX10
+ altdev->sb_irq = irq_of_parse_and_map(np, 1);
+#else
altdev->sb_irq = irq_of_parse_and_map(np, 2);
+#endif
if (!altdev->sb_irq) {
edac_printk(KERN_ERR, EDAC_DEVICE, "Error PortB SBIRQ alloc\n");
rc = -ENODEV;
@@ -1599,6 +1603,15 @@ static int altr_portb_setup(struct altr_edac_device_dev *device)
goto err_release_group_1;
}

+#ifdef CONFIG_ARCH_STRATIX10
+ /* Use IRQ to determine SError origin instead of assigning IRQ */
+ rc = of_property_read_u32_index(np, "interrupts", 1, &altdev->db_irq);
+ if (rc) {
+ edac_printk(KERN_ERR, EDAC_DEVICE,
+ "Error PortB DBIRQ alloc\n");
+ goto err_release_group_1;
+ }
+#else
altdev->db_irq = irq_of_parse_and_map(np, 3);
if (!altdev->db_irq) {
edac_printk(KERN_ERR, EDAC_DEVICE, "Error PortB DBIRQ alloc\n");
@@ -1613,6 +1626,7 @@ static int altr_portb_setup(struct altr_edac_device_dev *device)
edac_printk(KERN_ERR, EDAC_DEVICE, "PortB DBERR IRQ error\n");
goto err_release_group_1;
}
+#endif

rc = edac_device_add_device(dci);
if (rc) {
--
2.7.4
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