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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>
This commit is contained in:
Thor Thayer 2016-09-22 17:13:39 -05:00 committed by Borislav Petkov
parent 3763569f4c
commit a29d64a45e
1 changed files with 10 additions and 8 deletions
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18
drivers/edac/altera_edac.c
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@ -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;