Commit 8b229a01 authored by Yangtao Li's avatar Yangtao Li Committed by Vinod Koul
Browse files

dmaengine: shdmac: Convert to devm_platform_ioremap_resource() 



Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: default avatarYangtao Li <frank.li@vivo.com>
Link: https://lore.kernel.org/r/20230705081856.13734-4-frank.li@vivo.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 1dedb81c

drivers/dma/sh/shdmac.c

+3 −4
Original line number Diff line number Diff line
@@ -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) {