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video: mxsfb: convert to clk_prepare/clk_unprepare

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The patch converts mxsfb 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: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Shawn Guo 2011-12-20 14:12:54 +08:00
parent a481377013
commit ca4c22d391
1 changed files with 4 additions and 4 deletions
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8
drivers/video/mxsfb.c
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@ -328,7 +328,7 @@ static void mxsfb_enable_controller(struct fb_info *fb_info)
dev_dbg(&host->pdev->dev, "%s\n", __func__);
clk_enable(host->clk);
clk_prepare_enable(host->clk);
clk_set_rate(host->clk, PICOS2KHZ(fb_info->var.pixclock) * 1000U);
/* if it was disabled, re-enable the mode again */
@ -368,7 +368,7 @@ static void mxsfb_disable_controller(struct fb_info *fb_info)
writel(VDCTRL4_SYNC_SIGNALS_ON, host->base + LCDC_VDCTRL4 + REG_CLR);
clk_disable(host->clk);
clk_disable_unprepare(host->clk);
host->enabled = 0;
}
@ -668,7 +668,7 @@ static int __devinit mxsfb_restore_mode(struct mxsfb_info *host)
line_count = fb_info->fix.smem_len / fb_info->fix.line_length;
fb_info->fix.ypanstep = 1;
clk_enable(host->clk);
clk_prepare_enable(host->clk);
host->enabled = 1;
return 0;
@ -841,7 +841,7 @@ static int __devinit mxsfb_probe(struct platform_device *pdev)
error_register:
if (host->enabled)
clk_disable(host->clk);
clk_disable_unprepare(host->clk);
fb_destroy_modelist(&fb_info->modelist);
error_init_fb:
kfree(fb_info->pseudo_palette);