linux-kernel - [PATCH v2] staging: media: atomisp: Replace depracated MSI APIs

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Date:   Sun, 19 Jul 2020 19:56:23 +0530
From:   Suraj Upadhyay <usuraj35@...il.com>
To:     mchehab@...nel.org, sakari.ailus@...ux.intel.com,
        gregkh@...uxfoundation.org
Cc:     linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] staging: media: atomisp: Replace depracated MSI APIs

Replace depracated MSI IRQ enabler and disabler
with pci_alloc_irq_vectors and pci_free_irq_vectors respectively.
And as a result handle the returned error as appropriate.
Compile tested.

Signed-off-by: Suraj Upadhyay <usuraj35@...il.com>
---
Change:
	v2: Replace the MSI IRQ disabler too.
---
 drivers/staging/media/atomisp/pci/atomisp_v4l2.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
index d36809a0182c..a5dea5521b36 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
@@ -1735,8 +1735,8 @@ static int atomisp_pci_probe(struct pci_dev *dev,
 	pci_set_master(dev);
 	pci_set_drvdata(dev, isp);
 
-	err = pci_enable_msi(dev);
-	if (err) {
+	err = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_MSI);
+	if (err < 0) {
 		dev_err(&dev->dev, "Failed to enable msi (%d)\n", err);
 		goto enable_msi_fail;
 	}
@@ -1857,7 +1857,7 @@ static int atomisp_pci_probe(struct pci_dev *dev,
 initialize_modules_fail:
 	cpu_latency_qos_remove_request(&isp->pm_qos);
 	atomisp_msi_irq_uninit(isp, dev);
-	pci_disable_msi(dev);
+	pci_free_irq_vectors(dev);
 enable_msi_fail:
 fw_validation_fail:
 	release_firmware(isp->firmware);
-- 
2.17.1


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