diff options
| author | Tian Tao | 2021-03-13 09:42:35 +0800 |
|---|---|---|
| committer | Herbert Xu | 2021-03-19 21:59:46 +1100 |
| commit | f50281df94d76d40e8afa2433f39c7b4b8bd6868 (patch) | |
| tree | d0f331d8c32e01d9389dc8713216f07eedefa7f8 | |
| parent | e0ba808db7bae1837249c19fe24cc95364a4d483 (diff) | |
hwrng: cctrng - use devm_platform_ioremap_resource() to simplify
Use devm_platform_ioremap_resource() to simplify the code.
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/char/hw_random/cctrng.c | 12 |
1 files changed, 1 insertions, 11 deletions
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) { |