linux-kernel - [PATCH v3] video: fbdev: atmel_lcdfb: add COMPILE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 30 May 2019 14:30:19 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Nicolas Ferre <nicolas.ferre@...rochip.com>
Cc:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3] video: fbdev: atmel_lcdfb: add COMPILE_TEST support

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

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);