Commit f50281df authored by Tian Tao's avatar Tian Tao Committed by Herbert Xu
Browse files

hwrng: cctrng - use devm_platform_ioremap_resource() to simplify 



Use devm_platform_ioremap_resource() to simplify the code.

Signed-off-by: default avatarTian Tao <tiantao6@hisilicon.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent e0ba808d

drivers/char/hw_random/cctrng.c

+1 −11
Original line number Diff line number Diff line
@@ -486,7 +486,6 @@ static void cc_trng_clk_fini(struct cctrng_drvdata *drvdata) 


static int cctrng_probe(struct platform_device *pdev)

{

	struct resource *req_mem_cc_regs = NULL;

	struct cctrng_drvdata *drvdata;

	struct device *dev = &pdev->dev;

	int rc = 0;
@@ -510,21 +509,12 @@ static int cctrng_probe(struct platform_device *pdev) 


	drvdata->circ.buf = (char *)drvdata->data_buf;



	/* Get device resources */

	/* First CC registers space */

	req_mem_cc_regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	/* Map registers space */

	drvdata->cc_base = devm_ioremap_resource(dev, req_mem_cc_regs);

	drvdata->cc_base = devm_platform_ioremap_resource(pdev, 0);

	if (IS_ERR(drvdata->cc_base)) {

		dev_err(dev, "Failed to ioremap registers");

		return PTR_ERR(drvdata->cc_base);

	}



	dev_dbg(dev, "Got MEM resource (%s): %pR\n", req_mem_cc_regs->name,

		req_mem_cc_regs);

	dev_dbg(dev, "CC registers mapped from %pa to 0x%p\n",

		&req_mem_cc_regs->start, drvdata->cc_base);



	/* Then IRQ */

	irq = platform_get_irq(pdev, 0);

	if (irq < 0) {