[PATCH v2] video: fbdev: imxfb: add COMPILE_TEST support

Add COMPILE_TEST support to imxfb driver for better compile
testing coverage.

Signed-off-by: Bartlomiej Zolnierkiewicz <redacted>
---
v2: add missing HAVE_CLK && HAS IOMEM dependencies (noted by Uwe)

drivers/video/fbdev/Kconfig |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: b/drivers/video/fbdev/Kconfig
=================================--- a/drivers/video/fbdev/Kconfig

+++ b/drivers/video/fbdev/Kconfig

@@ -331,7 +331,8 @@ config FB_SA1100
 
 config FB_IMX
 	tristate "Freescale i.MX1/21/25/27 LCD support"
-	depends on FB && ARCH_MXC
+	depends on FB && HAVE_CLK && HAS_IOMEM
+	depends on ARCH_MXC || COMPILE_TEST
 	select LCD_CLASS_DEVICE
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA

On 5/21/19 12:47 PM, Bartlomiej Zolnierkiewicz wrote:

Add COMPILE_TEST support to imxfb driver for better compile
testing coverage.

Signed-off-by: Bartlomiej Zolnierkiewicz <redacted>

I queued the patch for v5.3.

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

Use ->screen_buffer instead of ->screen_base to fix sparse warnings.

[ Please see commit 17a7b0b4d974 ("fb.h: Provide alternate screen_base
  pointer") for details. ]

Reported-by: kbuild test robot <redacted>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Uwe Kleine-König <redacted>
Cc: NXP Linux Team <redacted>
Signed-off-by: Bartlomiej Zolnierkiewicz <redacted>
---
 drivers/video/fbdev/imxfb.c |    9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

Index: b/drivers/video/fbdev/imxfb.c
=================================--- a/drivers/video/fbdev/imxfb.c

+++ b/drivers/video/fbdev/imxfb.c

@@ -974,9 +974,8 @@ static int imxfb_probe(struct platform_d
 	}
 
 	fbi->map_size = PAGE_ALIGN(info->fix.smem_len);
-	info->screen_base = dma_alloc_wc(&pdev->dev, fbi->map_size,
-					 &fbi->map_dma, GFP_KERNEL);
-
+	info->screen_buffer = dma_alloc_wc(&pdev->dev, fbi->map_size,
+					   &fbi->map_dma, GFP_KERNEL);
 	if (!info->screen_base) {
 		dev_err(&pdev->dev, "Failed to allocate video RAM: %d\n", ret);
 		ret = -ENOMEM;

@@ -1046,7 +1045,7 @@ failed_cmap:
 	if (pdata && pdata->exit)
 		pdata->exit(fbi->pdev);
 failed_platform_init:
-	dma_free_wc(&pdev->dev, fbi->map_size, info->screen_base,
+	dma_free_wc(&pdev->dev, fbi->map_size, info->screen_buffer,
 		    fbi->map_dma);
 failed_map:
 	iounmap(fbi->regs);

@@ -1077,7 +1076,7 @@ static int imxfb_remove(struct platform_
 	pdata = dev_get_platdata(&pdev->dev);
 	if (pdata && pdata->exit)
 		pdata->exit(fbi->pdev);
-	dma_free_wc(&pdev->dev, fbi->map_size, info->screen_base,
+	dma_free_wc(&pdev->dev, fbi->map_size, info->screen_buffer,
 		    fbi->map_dma);
 	iounmap(fbi->regs);
 	release_mem_region(res->start, resource_size(res));

On 6/14/19 1:53 PM, Bartlomiej Zolnierkiewicz wrote:

Use ->screen_buffer instead of ->screen_base to fix sparse warnings.

[ Please see commit 17a7b0b4d974 ("fb.h: Provide alternate screen_base
  pointer") for details. ]

Reported-by: kbuild test robot <redacted>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Uwe Kleine-König <redacted>
Cc: NXP Linux Team <redacted>
Signed-off-by: Bartlomiej Zolnierkiewicz <redacted>

I queued the patch for v5.3.

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