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serial: pxa: add clk_prepare/clk_unprepare calls

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This patch adds clk_prepare/clk_unprepare calls to the serial/pxa
driver by using the helper functions clk_prepare_enable and
clk_disable_unprepare.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Philipp Zabel 2012-03-15 19:15:15 +01:00 committed by Greg Kroah-Hartman
parent 4a4c61b7ce
commit fb8ebec00b
1 changed files with 4 additions and 4 deletions
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8
drivers/tty/serial/pxa.c
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@ -579,9 +579,9 @@ serial_pxa_pm(struct uart_port *port, unsigned int state,
struct uart_pxa_port *up = (struct uart_pxa_port *)port;
if (!state)
clk_enable(up->clk);
clk_prepare_enable(up->clk);
else
clk_disable(up->clk);
clk_disable_unprepare(up->clk);
}
static void serial_pxa_release_port(struct uart_port *port)
@ -668,7 +668,7 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
struct uart_pxa_port *up = serial_pxa_ports[co->index];
unsigned int ier;
clk_enable(up->clk);
clk_prepare_enable(up->clk);
/*
* First save the IER then disable the interrupts
@ -685,7 +685,7 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
wait_for_xmitr(up);
serial_out(up, UART_IER, ier);
clk_disable(up->clk);
clk_disable_unprepare(up->clk);
}
static int __init