From: marek.vasut@gmail.com (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 07/12] net: flexcan: convert to clk_prepare/clk_unprepare
Date: Tue, 20 Dec 2011 14:48:48 +0100 [thread overview]
Message-ID: <201112201448.48712.marek.vasut@gmail.com> (raw)
In-Reply-To: <1324382443-4439-8-git-send-email-shawn.guo@linaro.org>
> The patch converts flexcan driver to clk_prepare/clk_unprepare by
> using helper functions clk_prepare_enable/clk_disable_unprepare.
>
> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
> Cc: Marc Kleine-Budde <mkl@pengutronix.de>
> Cc: David S. Miller <davem@davemloft.net>
> ---
> drivers/net/can/flexcan.c | 10 +++++-----
> 1 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
> index e023379..fdd0f3f 100644
> --- a/drivers/net/can/flexcan.c
> +++ b/drivers/net/can/flexcan.c
> @@ -802,7 +802,7 @@ static int flexcan_open(struct net_device *dev)
> struct flexcan_priv *priv = netdev_priv(dev);
> int err;
>
> - clk_enable(priv->clk);
> + clk_prepare_enable(priv->clk);
>
> err = open_candev(dev);
> if (err)
> @@ -824,7 +824,7 @@ static int flexcan_open(struct net_device *dev)
> out_close:
> close_candev(dev);
> out:
> - clk_disable(priv->clk);
> + clk_disable_unprepare(priv->clk);
>
> return err;
> }
> @@ -838,7 +838,7 @@ static int flexcan_close(struct net_device *dev)
> flexcan_chip_stop(dev);
>
> free_irq(dev->irq, dev);
> - clk_disable(priv->clk);
> + clk_disable_unprepare(priv->clk);
>
> close_candev(dev);
>
> @@ -877,7 +877,7 @@ static int __devinit register_flexcandev(struct
> net_device *dev) struct flexcan_regs __iomem *regs = priv->base;
> u32 reg, err;
>
> - clk_enable(priv->clk);
> + clk_prepare_enable(priv->clk);
>
> /* select "bus clock", chip must be disabled */
> flexcan_chip_disable(priv);
> @@ -911,7 +911,7 @@ static int __devinit register_flexcandev(struct
> net_device *dev) out:
> /* disable core and turn off clocks */
> flexcan_chip_disable(priv);
> - clk_disable(priv->clk);
> + clk_disable_unprepare(priv->clk);
>
> return err;
> }
Are you sure close()/open() ops are not called from atomic?
M
next prev parent reply other threads:[~2011-12-20 13:48 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-20 12:00 [PATCH 0/12] Add clk_prepare/clk_unprepare for mxs clock api Shawn Guo
2011-12-20 12:00 ` [PATCH 01/12] clk: add helper functions clk_prepare_enable and clk_disable_unprepare Shawn Guo
2011-12-20 13:48 ` Marek Vasut
2011-12-20 14:09 ` Shawn Guo
2011-12-20 12:00 ` [PATCH 02/12] arm/mxs: convert platform code to clk_prepare/clk_unprepare Shawn Guo
2011-12-20 13:44 ` Marek Vasut
2011-12-20 21:11 ` Russell King - ARM Linux
2011-12-20 21:28 ` Marek Vasut
2011-12-20 12:00 ` [PATCH 03/12] net: fec: add clk_prepare/clk_unprepare Shawn Guo
2011-12-20 13:45 ` Marek Vasut
2011-12-20 12:00 ` [PATCH 04/12] dma: mxs-dma: convert to clk_prepare/clk_unprepare Shawn Guo
2011-12-20 13:45 ` Marek Vasut
2011-12-23 17:35 ` Vinod Koul
2011-12-20 12:00 ` [PATCH 05/12] mmc: mxs-mmc: " Shawn Guo
2011-12-20 13:45 ` Marek Vasut
2011-12-20 12:00 ` [PATCH 06/12] mtd: gpmi-lib: " Shawn Guo
2011-12-20 13:46 ` Marek Vasut
2011-12-20 12:00 ` [PATCH 07/12] net: flexcan: " Shawn Guo
2011-12-20 13:48 ` Marek Vasut [this message]
2011-12-20 14:23 ` Shawn Guo
2011-12-20 12:00 ` [PATCH 08/12] serial: mxs-auart: " Shawn Guo
2011-12-20 13:49 ` Marek Vasut
2011-12-20 14:07 ` Uwe Kleine-König
2011-12-20 21:15 ` Russell King - ARM Linux
2011-12-20 21:28 ` Marek Vasut
2011-12-20 22:24 ` Russell King - ARM Linux
2011-12-21 1:06 ` Marek Vasut
2011-12-20 14:27 ` Shawn Guo
2011-12-20 12:00 ` [PATCH 09/12] video: mxsfb: " Shawn Guo
2011-12-20 13:49 ` Marek Vasut
2011-12-21 2:11 ` Florian Tobias Schandinat
2011-12-20 12:00 ` [PATCH 10/12] ASoC: mxs-saif: " Shawn Guo
2011-12-20 11:55 ` Mark Brown
2011-12-20 13:49 ` Marek Vasut
2011-12-20 12:00 ` [PATCH 11/12] clk: add config option HAVE_CLK_PREPARE into Kconfig Shawn Guo
2011-12-20 12:00 ` [PATCH 12/12] arm/mxs: select HAVE_CLK_PREPARE for clock Shawn Guo
2011-12-20 13:43 ` [PATCH 0/12] Add clk_prepare/clk_unprepare for mxs clock api Marek Vasut
2011-12-20 14:05 ` Shawn Guo
2011-12-20 13:59 ` Marek Vasut
2011-12-20 14:21 ` Shawn Guo
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