Patchwork [03/25] serial/imx: make imx_port.devdata member point to const data

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Submitter Uwe Kleine-König
Date July 23, 2012, 9:13 a.m.
Message ID <1343034810-3386-4-git-send-email-u.kleine-koenig@pengutronix.de>
Download mbox | patch
Permalink /patch/172598/
State New
Headers show

Comments

Uwe Kleine-König - July 23, 2012, 9:13 a.m.
This prepares *of_device_id.data becoming const. Without this change the
following warning would occur:

	drivers/tty/serial/imx.c: In function 'serial_imx_probe_dt':
	drivers/tty/serial/imx.c:1430:17: warning: assignment discards 'const' qualifier from pointer target type [enabled by default]

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/tty/serial/imx.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
Greg KH - July 23, 2012, 3:31 p.m.
On Mon, Jul 23, 2012 at 11:13:08AM +0200, Uwe Kleine-König wrote:
> This prepares *of_device_id.data becoming const. Without this change the
> following warning would occur:
> 
> 	drivers/tty/serial/imx.c: In function 'serial_imx_probe_dt':
> 	drivers/tty/serial/imx.c:1430:17: warning: assignment discards 'const' qualifier from pointer target type [enabled by default]
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Patch

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 4ef7473..0af4eec 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -207,7 +207,7 @@  struct imx_port {
 	unsigned short		trcv_delay; /* transceiver delay */
 	struct clk		*clk_ipg;
 	struct clk		*clk_per;
-	struct imx_uart_data	*devdata;
+	const struct imx_uart_data *devdata;
 };
 
 struct imx_port_ucrs {