linux-kernel - [PATCH RFT/RFC 32/49] staging: media: zoran: use devm

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Date:   Mon, 21 Sep 2020 10:20:07 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     gregkh@...uxfoundation.org, laurent.pinchart@...net.be,
        mchehab@...nel.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH RFT/RFC 32/49] staging: media: zoran: use devm_ioremap

Using devm_ioremap simplify code.

Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 drivers/staging/media/zoran/zoran_card.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/media/zoran/zoran_card.c b/drivers/staging/media/zoran/zoran_card.c
index ed4ecf92c040..36305aaabd7d 100644
--- a/drivers/staging/media/zoran/zoran_card.c
+++ b/drivers/staging/media/zoran/zoran_card.c
@@ -1003,7 +1003,6 @@ static void zoran_remove(struct pci_dev *pdev)
 	pci_free_irq(zr->pci_dev, 0, zr);
 	/* unmap and free memory */
 	dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), zr->stat_com, zr->p_sc);
-	iounmap(zr->zr36057_mem);
 	pci_release_regions(pdev);
 	pci_disable_device(zr->pci_dev);
 	video_unregister_device(zr->video_dev);
@@ -1156,7 +1155,7 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (err)
 		goto zr_unreg;
 
-	zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
+	zr->zr36057_mem = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
 	if (!zr->zr36057_mem) {
 		pci_err(pdev, "%s() - ioremap failed\n", __func__);
 		goto zr_pci_release;
@@ -1172,7 +1171,7 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		} else {
 			pci_err(pdev, "%s - cannot assign IRQ, error code %d\n", __func__, result);
 		}
-		goto zr_unmap;
+		goto zr_pci_release;
 	}
 
 	/* set PCI latency timer */
@@ -1273,8 +1272,6 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 zr_free_irq:
 	btwrite(0, ZR36057_SPGPPCR);
 	pci_free_irq(zr->pci_dev, 0, zr);
-zr_unmap:
-	iounmap(zr->zr36057_mem);
 zr_pci_release:
 	pci_release_regions(pdev);
 zr_unreg:
-- 
2.26.2