From f50281df94d76d40e8afa2433f39c7b4b8bd6868 Mon Sep 17 00:00:00 2001 From: Tian Tao Date: Sat, 13 Mar 2021 09:42:35 +0800 Subject: hwrng: cctrng - use devm_platform_ioremap_resource() to simplify Use devm_platform_ioremap_resource() to simplify the code. Signed-off-by: Tian Tao Signed-off-by: Herbert Xu --- drivers/char/hw_random/cctrng.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/hw_random/cctrng.c b/drivers/char/hw_random/cctrng.c index 0efb37adbfa3..102195ef376d 100644 --- a/drivers/char/hw_random/cctrng.c +++ b/drivers/char/hw_random/cctrng.c @@ -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) { -- cgit v1.2.3