linux-kernel - [PATCH 05/17] clk: hisilicon: convert to devm_platform_ioremap

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Date:   Mon,  9 Dec 2019 19:57:37 +0000
From:   Yangtao Li <tiny.windzz@...il.com>
To:     afaerber@...e.de, manivannan.sadhasivam@...aro.org,
        mturquette@...libre.com, sboyd@...nel.org,
        Eugeniy.Paltsev@...opsys.com, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, agross@...nel.org, s.nawrocki@...sung.com,
        tomasz.figa@...il.com, cw00.choi@...sung.com, kgene@...nel.org,
        krzk@...nel.org, palmer@...ive.com, paul.walmsley@...ive.com,
        dinguyen@...nel.org, mripard@...nel.org, wens@...e.org,
        emilio@...pez.com.ar, pdeschrijver@...dia.com, pgaikwad@...dia.com,
        thierry.reding@...il.com, jonathanh@...dia.com,
        matthias.bgg@...il.com, rfontana@...hat.com,
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        weiyongjun1@...wei.com, wangyan.wang@...iatek.com,
        chunhui.dai@...iatek.com, miquel.raynal@...tlin.com,
        heiko@...ech.de, jcmvbkbc@...il.com, nsekhar@...com,
        geert+renesas@...der.be
Cc:     linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-tegra@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH 05/17] clk: hisilicon: convert to devm_platform_ioremap_resource

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/clk/hisilicon/clk-hi3660-stub.c | 6 +-----
 drivers/clk/hisilicon/clk.c             | 7 +------
 2 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/clk/hisilicon/clk-hi3660-stub.c b/drivers/clk/hisilicon/clk-hi3660-stub.c
index 3a653d54bee0..7e44d6e2a307 100644
--- a/drivers/clk/hisilicon/clk-hi3660-stub.c
+++ b/drivers/clk/hisilicon/clk-hi3660-stub.c
@@ -124,7 +124,6 @@ static struct clk_hw *hi3660_stub_clk_hw_get(struct of_phandle_args *clkspec,
 static int hi3660_stub_clk_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	unsigned int i;
 	int ret;
 
@@ -139,10 +138,7 @@ static int hi3660_stub_clk_probe(struct platform_device *pdev)
 	if (IS_ERR(stub_clk_chan.mbox))
 		return PTR_ERR(stub_clk_chan.mbox);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -EINVAL;
-	freq_reg = devm_ioremap(dev, res->start, resource_size(res));
+	freq_reg = devm_platform_ioremap_resource(pdev, 0);
 	if (!freq_reg)
 		return -ENOMEM;
 
diff --git a/drivers/clk/hisilicon/clk.c b/drivers/clk/hisilicon/clk.c
index 54d9fdc93599..8c521495d9e5 100644
--- a/drivers/clk/hisilicon/clk.c
+++ b/drivers/clk/hisilicon/clk.c
@@ -27,18 +27,13 @@ struct hisi_clock_data *hisi_clk_alloc(struct platform_device *pdev,
 						int nr_clks)
 {
 	struct hisi_clock_data *clk_data;
-	struct resource *res;
 	struct clk **clk_table;
 
 	clk_data = devm_kmalloc(&pdev->dev, sizeof(*clk_data), GFP_KERNEL);
 	if (!clk_data)
 		return NULL;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return NULL;
-	clk_data->base = devm_ioremap(&pdev->dev,
-				res->start, resource_size(res));
+	clk_data->base = devm_platform_ioremap_resource(pdev, 0);
 	if (!clk_data->base)
 		return NULL;
 
-- 
2.17.1