All of lore.kernel.org
 help / color / mirror / Atom feed
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);
> +

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190626181637.CFA6321726@mail.kernel.org \
    --to=sboyd@kernel.org \
    --cc=baolin.wang@linaro.org \
    --cc=linux-clk@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=orsonzhai@gmail.com \
    --cc=zhang.chunyan@linaro.org \
    --cc=zhang.lyra@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.