* [PATCH] fbdev: omapfb: delete check_required_callbacks() @ 2017-04-07 19:04 ` Aaro Koskinen 0 siblings, 0 replies; 4+ messages in thread From: Aaro Koskinen @ 2017-04-07 19:04 UTC (permalink / raw) To: Tomi Valkeinen, Bartlomiej Zolnierkiewicz, Lars-Peter Clausen Cc: linux-fbdev, linux-omap, linux-kernel, Aaro Koskinen Commit 561eb9d09a93 ("fbdev: omap/lcd: Make callbacks optional") made panel callbacks optional but forgot to update check_required_callbacks(). As a result many (all?) OMAP systems using omapfb will crash at boot. Fix by deleting the whole function. Fixes: 561eb9d09a93 ("fbdev: omap/lcd: Make callbacks optional") Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> --- drivers/video/fbdev/omap/omapfb_main.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index 1abba07..f4cbfb3 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -1608,19 +1608,6 @@ static int omapfb_find_ctrl(struct omapfb_device *fbdev) return 0; } -static void check_required_callbacks(struct omapfb_device *fbdev) -{ -#define _C(x) (fbdev->ctrl->x != NULL) -#define _P(x) (fbdev->panel->x != NULL) - BUG_ON(fbdev->ctrl = NULL || fbdev->panel = NULL); - BUG_ON(!(_C(init) && _C(cleanup) && _C(get_caps) && - _C(set_update_mode) && _C(setup_plane) && _C(enable_plane) && - _P(init) && _P(cleanup) && _P(enable) && _P(disable) && - _P(get_caps))); -#undef _P -#undef _C -} - /* * Called by LDM binding to probe and attach a new device. * Initialization sequence: @@ -1705,8 +1692,6 @@ static int omapfb_do_probe(struct platform_device *pdev, omapfb_ops.fb_mmap = omapfb_mmap; init_state++; - check_required_callbacks(fbdev); - r = planes_init(fbdev); if (r) goto cleanup; -- 2.9.2 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH] fbdev: omapfb: delete check_required_callbacks() @ 2017-04-07 19:04 ` Aaro Koskinen 0 siblings, 0 replies; 4+ messages in thread From: Aaro Koskinen @ 2017-04-07 19:04 UTC (permalink / raw) To: Tomi Valkeinen, Bartlomiej Zolnierkiewicz, Lars-Peter Clausen Cc: linux-fbdev, linux-omap, linux-kernel, Aaro Koskinen Commit 561eb9d09a93 ("fbdev: omap/lcd: Make callbacks optional") made panel callbacks optional but forgot to update check_required_callbacks(). As a result many (all?) OMAP systems using omapfb will crash at boot. Fix by deleting the whole function. Fixes: 561eb9d09a93 ("fbdev: omap/lcd: Make callbacks optional") Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> --- drivers/video/fbdev/omap/omapfb_main.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index 1abba07..f4cbfb3 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -1608,19 +1608,6 @@ static int omapfb_find_ctrl(struct omapfb_device *fbdev) return 0; } -static void check_required_callbacks(struct omapfb_device *fbdev) -{ -#define _C(x) (fbdev->ctrl->x != NULL) -#define _P(x) (fbdev->panel->x != NULL) - BUG_ON(fbdev->ctrl == NULL || fbdev->panel == NULL); - BUG_ON(!(_C(init) && _C(cleanup) && _C(get_caps) && - _C(set_update_mode) && _C(setup_plane) && _C(enable_plane) && - _P(init) && _P(cleanup) && _P(enable) && _P(disable) && - _P(get_caps))); -#undef _P -#undef _C -} - /* * Called by LDM binding to probe and attach a new device. * Initialization sequence: @@ -1705,8 +1692,6 @@ static int omapfb_do_probe(struct platform_device *pdev, omapfb_ops.fb_mmap = omapfb_mmap; init_state++; - check_required_callbacks(fbdev); - r = planes_init(fbdev); if (r) goto cleanup; -- 2.9.2 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] fbdev: omapfb: delete check_required_callbacks() 2017-04-07 19:04 ` Aaro Koskinen @ 2017-04-14 11:39 ` Bartlomiej Zolnierkiewicz -1 siblings, 0 replies; 4+ messages in thread From: Bartlomiej Zolnierkiewicz @ 2017-04-14 11:39 UTC (permalink / raw) To: Aaro Koskinen Cc: Tomi Valkeinen, Lars-Peter Clausen, linux-fbdev, linux-omap, linux-kernel Hi, On Friday, April 07, 2017 10:04:07 PM Aaro Koskinen wrote: > Commit 561eb9d09a93 ("fbdev: omap/lcd: Make callbacks optional") made > panel callbacks optional but forgot to update check_required_callbacks(). > As a result many (all?) OMAP systems using omapfb will crash at boot. > Fix by deleting the whole function. > > Fixes: 561eb9d09a93 ("fbdev: omap/lcd: Make callbacks optional") > Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Patch queued for 4.11, thanks! Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] fbdev: omapfb: delete check_required_callbacks() @ 2017-04-14 11:39 ` Bartlomiej Zolnierkiewicz 0 siblings, 0 replies; 4+ messages in thread From: Bartlomiej Zolnierkiewicz @ 2017-04-14 11:39 UTC (permalink / raw) To: Aaro Koskinen Cc: Tomi Valkeinen, Lars-Peter Clausen, linux-fbdev, linux-omap, linux-kernel Hi, On Friday, April 07, 2017 10:04:07 PM Aaro Koskinen wrote: > Commit 561eb9d09a93 ("fbdev: omap/lcd: Make callbacks optional") made > panel callbacks optional but forgot to update check_required_callbacks(). > As a result many (all?) OMAP systems using omapfb will crash at boot. > Fix by deleting the whole function. > > Fixes: 561eb9d09a93 ("fbdev: omap/lcd: Make callbacks optional") > Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Patch queued for 4.11, thanks! Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2017-04-14 11:39 UTC | newest]
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2017-04-07 19:04 ` [PATCH] fbdev: omapfb: delete check_required_callbacks() Aaro Koskinen
2017-04-07 19:04 ` Aaro Koskinen
2017-04-14 11:39 ` Bartlomiej Zolnierkiewicz
2017-04-14 11:39 ` Bartlomiej Zolnierkiewicz
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