From: Philipp Zabel <philipp.zabel@gmail.com>
To: linux-serial@vger.kernel.org
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>,
Eric Miao <eric.y.miao@gmail.com>,
Alan Cox <alan@linux.intel.com>,
GregKroah-Hartman <gregkh@linuxfoundation.org>
Subject: [PATCH] serial: pxa: add clk_prepare/clk_unprepare calls
Date: Thu, 15 Mar 2012 19:15:15 +0100 [thread overview]
Message-ID: <1331835315.14662.7.camel@flow> (raw)
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>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/pxa.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c
index 5c8e3bb..e2fd3d8 100644
--- a/drivers/tty/serial/pxa.c
+++ b/drivers/tty/serial/pxa.c
@@ -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
--
1.7.9.1
reply other threads:[~2012-03-15 18:15 UTC|newest]
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