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serial: imx: add clk_prepare/clk_unprepare 

It's for migrating to generic clk framework API.

Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Richard Zhao 2011-11-15 14:48:06 +08:00 committed by Sascha Hauer
parent 8186064cfc
commit ef5ca193ca
1 changed files with 3 additions and 4 deletions
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7
drivers/tty/serial/imx.c
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@ -1508,7 +1508,7 @@ static int serial_imx_probe(struct platform_device *pdev)
ret = PTR_ERR(sport->clk);
goto unmap;
}
clk_enable(sport->clk);
clk_prepare_enable(sport->clk);
sport->port.uartclk = clk_get_rate(sport->clk);
@ -1531,8 +1531,8 @@ static int serial_imx_probe(struct platform_device *pdev)
if (pdata && pdata->exit)
pdata->exit(pdev);
clkput:
clk_disable_unprepare(sport->clk);
clk_put(sport->clk);
clk_disable(sport->clk);
unmap:
iounmap(sport->port.membase);
free:
@ -1552,11 +1552,10 @@ static int serial_imx_remove(struct platform_device *pdev)
if (sport) {
uart_remove_one_port(&imx_reg, &sport->port);
clk_disable_unprepare(sport->clk);
clk_put(sport->clk);
}
clk_disable(sport->clk);
if (pdata && pdata->exit)
pdata->exit(pdev);