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SubjectRe: [PATCH v3] video: fbdev: atmel_lcdfb: add COMPILE_TEST support
On 30/05/2019 14:30:19+0200, Bartlomiej Zolnierkiewicz wrote:
> Add COMPILE_TEST support to atmel_lcdfb driver for better compile
> testing coverage.
>
> While at it fix improper use of UL (to silence build warnings on
> x86_64).
>
> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

> Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> ---
> v3: fix build warnings on x86_64

Hopefully, no building errors anymore ;)

>
> v2: add missing HAVE_CLK && HAS IOMEM dependencies
>
> drivers/video/fbdev/Kconfig | 3 ++-
> drivers/video/fbdev/atmel_lcdfb.c | 4 ++--
> 2 files changed, 4 insertions(+), 3 deletions(-)
>
> Index: b/drivers/video/fbdev/Kconfig
> ===================================================================
> --- a/drivers/video/fbdev/Kconfig
> +++ b/drivers/video/fbdev/Kconfig
> @@ -855,7 +855,8 @@ config FB_S1D13XXX
>
> config FB_ATMEL
> tristate "AT91 LCD Controller support"
> - depends on FB && OF && HAVE_FB_ATMEL
> + depends on FB && OF && HAVE_CLK && HAS_IOMEM
> + depends on HAVE_FB_ATMEL || COMPILE_TEST
> select FB_BACKLIGHT
> select FB_CFB_FILLRECT
> select FB_CFB_COPYAREA
> Index: b/drivers/video/fbdev/atmel_lcdfb.c
> ===================================================================
> --- a/drivers/video/fbdev/atmel_lcdfb.c
> +++ b/drivers/video/fbdev/atmel_lcdfb.c
> @@ -673,7 +673,7 @@ static int atmel_lcdfb_set_par(struct fb
> lcdc_writel(sinfo, ATMEL_LCDC_MVAL, 0);
>
> /* Disable all interrupts */
> - lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL);
> + lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0U);
> /* Enable FIFO & DMA errors */
> lcdc_writel(sinfo, ATMEL_LCDC_IER, ATMEL_LCDC_UFLWI | ATMEL_LCDC_OWRI | ATMEL_LCDC_MERI);
>
> @@ -1291,7 +1291,7 @@ static int atmel_lcdfb_suspend(struct pl
> * We don't want to handle interrupts while the clock is
> * stopped. It may take forever.
> */
> - lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL);
> + lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0U);
>
> sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_CTR);
> lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0);

--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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