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authorYangtao Li <frank.li@vivo.com>2023-07-05 10:18:55 +0200
committerVinod Koul <vkoul@kernel.org>2023-07-12 18:54:00 +0200
commit8b229a01a5b846bf7a45c8ef11bc3b81326c9409 (patch)
tree0fca22984384b14098a332cb2cd8adc52fcc808a /drivers
parentdmaengine: qcom: hidma_mgmt: Use devm_platform_get_and_ioremap_resource() (diff)
downloadlinux-8b229a01a5b846bf7a45c8ef11bc3b81326c9409.tar.xz
linux-8b229a01a5b846bf7a45c8ef11bc3b81326c9409.zip
dmaengine: shdmac: Convert to devm_platform_ioremap_resource()
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <frank.li@vivo.com> Link: https://lore.kernel.org/r/20230705081856.13734-4-frank.li@vivo.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/dma/sh/shdmac.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c
index 5aafe548ca5f..fb3c56a416d1 100644
--- a/drivers/dma/sh/shdmac.c
+++ b/drivers/dma/sh/shdmac.c
@@ -678,7 +678,7 @@ static int sh_dmae_probe(struct platform_device *pdev)
int err, errirq, i, irq_cnt = 0, irqres = 0, irq_cap = 0;
struct sh_dmae_device *shdev;
struct dma_device *dma_dev;
- struct resource *chan, *dmars, *errirq_res, *chanirq_res;
+ struct resource *dmars, *errirq_res, *chanirq_res;
if (pdev->dev.of_node)
pdata = of_device_get_match_data(&pdev->dev);
@@ -689,7 +689,6 @@ static int sh_dmae_probe(struct platform_device *pdev)
if (!pdata || !pdata->channel_num)
return -ENODEV;
- chan = platform_get_resource(pdev, IORESOURCE_MEM, 0);
/* DMARS area is optional */
dmars = platform_get_resource(pdev, IORESOURCE_MEM, 1);
/*
@@ -709,7 +708,7 @@ static int sh_dmae_probe(struct platform_device *pdev)
* requested with the IRQF_SHARED flag
*/
errirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!chan || !errirq_res)
+ if (!errirq_res)
return -ENODEV;
shdev = devm_kzalloc(&pdev->dev, sizeof(struct sh_dmae_device),
@@ -719,7 +718,7 @@ static int sh_dmae_probe(struct platform_device *pdev)
dma_dev = &shdev->shdma_dev.dma_dev;
- shdev->chan_reg = devm_ioremap_resource(&pdev->dev, chan);
+ shdev->chan_reg = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(shdev->chan_reg))
return PTR_ERR(shdev->chan_reg);
if (dmars) {