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authorThor Thayer <tthayer@opensource.altera.com>2016-09-23 01:13:39 +0300
committerBorislav Petkov <bp@suse.de>2016-09-23 13:03:34 +0300
commita29d64a45eed1ee0d4ac90335da79ad1a9a0990d (patch)
tree6d116a2c7fcb3e8486978739551a5187d70f475c /drivers/edac
parent3763569f4c86ff3ea224c822821a4313c9cadde9 (diff)
downloadlinux-a29d64a45eed1ee0d4ac90335da79ad1a9a0990d.tar.xz
EDAC, altera: Add IRQ Flags to disable IRQ while handling
Add the IRQF_ONESHOT and IRQF_TRIGGER_HIGH flags to disable the IRQ while executing the IRQ handler. Remove the IRQF_SHARED because these are not shared IRQs in the domain. Exposed when flooding IRQs. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/1474582419-7053-2-git-send-email-tthayer@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/altera_edac.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index afe630540956..58d3e2b39b5b 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -1445,7 +1445,8 @@ static int altr_portb_setup(struct altr_edac_device_dev *device)
}
rc = devm_request_irq(&altdev->ddev, altdev->sb_irq,
prv->ecc_irq_handler,
- IRQF_SHARED, ecc_name, altdev);
+ IRQF_ONESHOT | IRQF_TRIGGER_HIGH,
+ ecc_name, altdev);
if (rc) {
edac_printk(KERN_ERR, EDAC_DEVICE, "PortB SBERR IRQ error\n");
goto err_release_group_1;
@@ -1459,7 +1460,8 @@ static int altr_portb_setup(struct altr_edac_device_dev *device)
}
rc = devm_request_irq(&altdev->ddev, altdev->db_irq,
prv->ecc_irq_handler,
- IRQF_SHARED, ecc_name, altdev);
+ IRQF_ONESHOT | IRQF_TRIGGER_HIGH,
+ ecc_name, altdev);
if (rc) {
edac_printk(KERN_ERR, EDAC_DEVICE, "PortB DBERR IRQ error\n");
goto err_release_group_1;
@@ -1745,9 +1747,9 @@ static int altr_edac_a10_device_add(struct altr_arria10_edac *edac,
rc = -ENODEV;
goto err_release_group1;
}
- rc = devm_request_irq(edac->dev, altdev->sb_irq,
- prv->ecc_irq_handler,
- IRQF_SHARED, ecc_name, altdev);
+ rc = devm_request_irq(edac->dev, altdev->sb_irq, prv->ecc_irq_handler,
+ IRQF_ONESHOT | IRQF_TRIGGER_HIGH,
+ ecc_name, altdev);
if (rc) {
edac_printk(KERN_ERR, EDAC_DEVICE, "No SBERR IRQ resource\n");
goto err_release_group1;
@@ -1759,9 +1761,9 @@ static int altr_edac_a10_device_add(struct altr_arria10_edac *edac,
rc = -ENODEV;
goto err_release_group1;
}
- rc = devm_request_irq(edac->dev, altdev->db_irq,
- prv->ecc_irq_handler,
- IRQF_SHARED, ecc_name, altdev);
+ rc = devm_request_irq(edac->dev, altdev->db_irq, prv->ecc_irq_handler,
+ IRQF_ONESHOT | IRQF_TRIGGER_HIGH,
+ ecc_name, altdev);
if (rc) {
edac_printk(KERN_ERR, EDAC_DEVICE, "No DBERR IRQ resource\n");
goto err_release_group1;