Re: [PATCH linux-next] imx-drm: imx-tve: remove unused variable

[Stephen Rothwell <sfr@canb.auug.org.au>]

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Hi all,

On Sun, 25 May 2014 15:12:35 -0700 Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
>
> On Sun, May 25, 2014 at 11:54:14PM +0200, Vincent Stehlé wrote:
> > Commit f9b0e251dfbf 'drm: make mode_valid callback optional' left variable ret
> > unused; remove it.
> > 
> > This fixes the following compilation warning:
> > 
> >   drivers/staging/imx-drm/imx-tve.c: In function ‘imx_tve_connector_mode_valid’:
> >   drivers/staging/imx-drm/imx-tve.c:252:6: warning: unused variable ‘ret’ [-Wunused-variable]
> 
> It doesn't apply to my tree :(

Yeah, commit f9b0e251dfbf 'drm: make mode_valid callback optional' is
in the drm tree, so this patch needs to go to Dave Airlie (cc'd).
Though Daniel Vetter may want to send it on.

For Dave's benefit, here is the patch again:

From:	Vincent Stehlé <vincent.stehle@laposte.net>
Subject: [PATCH linux-next] imx-drm: imx-tve: remove unused variable
Date:	Sun, 25 May 2014 23:54:14 +0200

Commit f9b0e251dfbf 'drm: make mode_valid callback optional' left variable ret
unused; remove it.

This fixes the following compilation warning:

  drivers/staging/imx-drm/imx-tve.c: In function ‘imx_tve_connector_mode_valid’:
  drivers/staging/imx-drm/imx-tve.c:252:6: warning: unused variable ‘ret’ [-Wunused-variable]

Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

Hi,

This can be seen with e.g. linux next-20140523 and arm allmodconfig.

Best regards,

V.

 drivers/staging/imx-drm/imx-tve.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/imx-drm/imx-tve.c b/drivers/staging/imx-drm/imx-tve.c
index 3e8b0a1..4caef2b1 100644
--- a/drivers/staging/imx-drm/imx-tve.c
+++ b/drivers/staging/imx-drm/imx-tve.c
@@ -249,7 +249,6 @@ static int imx_tve_connector_mode_valid(struct drm_connector *connector,
 {
 	struct imx_tve *tve = con_to_tve(connector);
 	unsigned long rate;
-	int ret;
 
 	/* pixel clock with 2x oversampling */
 	rate = clk_round_rate(tve->clk, 2000UL * mode->clock) / 2000;
-- 
2.0.0.rc2

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au

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