[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <505712FE.3040500@mvista.com>
Date: Mon, 17 Sep 2012 16:09:34 +0400
From: Sergei Shtylyov <sshtylyov@...sta.com>
To: Vipul Kumar Samar <vipulkumar.samar@...com>
CC: grant.likely@...retlab.ca, spi-devel-general@...ts.sourceforge.net,
linus.walleij@...aro.org, spear-devel@...t.st.com,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] spi: pl022: Add clk_{un}prepare() support in runtime
PM
Hello.
On 17-09-2012 14:37, Vipul Kumar Samar wrote:
> clk_{un}prepare is mandatory for platforms using common clock framework. Add
> clk_{un}prepare() support for spi-pl022 runtime PM.
> Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@...com>
[...]
> @@ -2342,10 +2342,13 @@ static int pl022_runtime_suspend(struct device *dev)
> static int pl022_runtime_resume(struct device *dev)
> {
> struct pl022 *pl022 = dev_get_drvdata(dev);
> + int ret = 0;
Don't need to init it at all.
> - clk_enable(pl022->clk);
> + ret = clk_prepare_enable(pl022->clk);
> + if (ret)
> + dev_err(dev, "could not enable SSP/SPI bus clock\n");
>
> - return 0;
> + return ret;
> }
> #endif
WBR, Sergei
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists