From: Stephen Boyd <sboyd@kernel.org>
To: Chunyan Zhang <zhang.chunyan@linaro.org>
Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
Orson Zhai <orsonzhai@gmail.com>,
Chunyan Zhang <zhang.lyra@gmail.com>,
Baolin Wang <baolin.wang@linaro.org>
Subject: Re: [PATCH v2 1/3] clk: sprd: Switch from of_iomap() to devm_ioremap_resource()
Date: Wed, 26 Jun 2019 11:16:36 -0700 [thread overview]
Message-ID: <20190626181637.CFA6321726@mail.kernel.org> (raw)
In-Reply-To: <20190522011504.19342-2-zhang.chunyan@linaro.org>
Quoting Chunyan Zhang (2019-05-21 18:15:01)
> devm_ioremap_resources() automatically requests resources and devm_ wrappers
> do better error handling and unmapping of the I/O region when needed,
> that would make drivers more clean and simple.
>
> Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Applied to clk-next
> diff --git a/drivers/clk/sprd/common.c b/drivers/clk/sprd/common.c
> index e038b0447206..9ce690999eaa 100644
> --- a/drivers/clk/sprd/common.c
> +++ b/drivers/clk/sprd/common.c
> @@ -50,7 +51,11 @@ int sprd_clk_regmap_init(struct platform_device *pdev,
> return PTR_ERR(regmap);
> }
> } else {
> - base = of_iomap(node, 0);
> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + base = devm_ioremap_resource(&pdev->dev, res);
> + if (IS_ERR(base))
There's also devm_platform_ioremap_resource() if you want to save even
more lines!
> + return PTR_ERR(base);
> +
next prev parent reply other threads:[~2019-06-26 18:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-22 1:15 [PATCH v2 0/3] Return immediately if sprd_clk_regmap_init() fails Chunyan Zhang
2019-05-22 1:15 ` [PATCH v2 1/3] clk: sprd: Switch from of_iomap() to devm_ioremap_resource() Chunyan Zhang
2019-05-22 2:07 ` Baolin Wang
2019-06-26 18:16 ` Stephen Boyd [this message]
2019-06-27 7:52 ` Chunyan Zhang
2019-05-22 1:15 ` [PATCH v2 2/3] clk: sprd: Check error only for devm_regmap_init_mmio() Chunyan Zhang
2019-05-22 2:08 ` Baolin Wang
2019-06-26 18:16 ` Stephen Boyd
2019-05-22 1:15 ` [PATCH v2 3/3] clk: sprd: Add check for return value of sprd_clk_regmap_init() Chunyan Zhang
2019-06-26 18:16 ` Stephen Boyd
2019-05-22 1:15 ` [PATCH v2 3/3] clk: sprd: Add check the " Chunyan Zhang
2019-05-22 1:26 ` [PATCH v2 0/3] Return immediately if sprd_clk_regmap_init() fails Chunyan Zhang
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