linux-kernel - Re: [PATCH] fb_omap: add gpiolib dependency

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Date:   Fri, 08 Jun 2018 18:06:06 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Tomi Valkeinen <tomi.valkeinen@...com>, linux-omap@...r.kernel.org,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fb_omap: add gpiolib dependency

On Wednesday, May 30, 2018 11:49:22 PM Arnd Bergmann wrote:
> Building the omap sub-drivers when CONFIG_GPIOLIB is disabled causes
> lots of build failures, either from using gpiolib interfaces, or from
> including the wrong headers:
> 
> drivers/video/fbdev/omap2/omapfb/displays/encoder-opa362.c: In function 'opa362_enable':
> drivers/video/fbdev/omap2/omapfb/displays/encoder-opa362.c:101:3: error: implicit declaration of function 'gpiod_set_value_cansleep'; did you mean 'gpio_set_value_cansleep'? [-Werror=implicit-function-declaration]
> drivers/video/fbdev/omap2/omapfb/displays/panel-dpi.c: In function 'panel_dpi_enable':
> drivers/video/fbdev/omap2/omapfb/displays/panel-dpi.c:86:2: error: implicit declaration of function 'gpiod_set_value_cansleep'; did you mean 'gpio_set_value_cansleep'? [-Werror=implicit-function-declaration]
> drivers/video/fbdev/omap2/omapfb/displays/panel-dpi.c: In function 'panel_dpi_probe_pdata':
> drivers/video/fbdev/omap2/omapfb/displays/panel-dpi.c:189:23: error: implicit declaration of function 'gpio_to_desc'; did you mean 'irq_to_desc'? [-Werror=implicit-function-declaration]
> drivers/video/fbdev/omap2/omapfb/displays/panel-dpi.c: In function 'panel_dpi_probe_of':
> drivers/video/fbdev/omap2/omapfb/displays/panel-dpi.c:210:9: error: implicit declaration of function 'devm_gpiod_get_optional'; did you mean 'devm_gpio_request_one'? [-Werror=implicit-function-declaration]
> drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c: In function 'sharp_ls_enable':
> drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c:120:3: error: implicit declaration of function 'gpiod_set_value_cansleep'; did you mean 'gpio_set_value_cansleep'? [-Werror=implicit-function-declaration]
> drivers/video/fbdev/omap2/omapfb/displays/panel-lgphilips-lb035q02.c: In function 'lb035q02_enable':
> drivers/video/fbdev/omap2/omapfb/displays/panel-lgphilips-lb035q02.c:170:3: error: implicit declaration of function 'gpiod_set_value_cansleep'; did you mean 'gpio_set_value_cansleep'? [-Werror=implicit-function-declaration]
> drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c: In function 'hdmi_probe_of':
> drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c:584:2: error: implicit declaration of function 'of_node_put'; did you mean 'node_set'? [-Werror=implicit-function-declaration]
> drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c: In function 'hdmi_probe_of':
> drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c:554:2: error: implicit declaration of function 'of_node_put'; did you mean 'node_set'? [-Werror=implicit-function-declaration]
> 
> Rather than fixing up each one individually, this just marks all of it
> as depending on GPIOLIB.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Patch queued for 4.18 (w/ fb_omap->fb_omap2 fixed in the patch title), thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics