linux-kernel - [PATCH 1/6] video: fbdev: controlfb: fix sparse warning about using incorrect type

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Message-Id: <20200116140900.26363-2-b.zolnierkie@samsung.com>
Date:   Thu, 16 Jan 2020 15:08:55 +0100
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Cc:     Andrzej Hajda <a.hajda@...sung.com>, b.zolnierkie@...sung.com
Subject: [PATCH 1/6] video: fbdev: controlfb: fix sparse warning about using
 incorrect type

Force le32_to_cpup() argument to be of proper type (const __le32 *).

Also add missing inline keyword to control_par_to_var() definition
(to match function prototype).

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
---
 drivers/video/fbdev/controlfb.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c
index 38b61cdb5ca4..d7e53520a24c 100644
--- a/drivers/video/fbdev/controlfb.c
+++ b/drivers/video/fbdev/controlfb.c
@@ -313,7 +313,7 @@ static int controlfb_blank(int blank_mode, struct fb_info *info)
 		container_of(info, struct fb_info_control, info);
 	unsigned ctrl;
 
-	ctrl = le32_to_cpup(CNTRL_REG(p,ctrl));
+	ctrl = le32_to_cpup((const __force __le32 *)CNTRL_REG(p, ctrl));
 	if (blank_mode > 0)
 		switch (blank_mode) {
 		case FB_BLANK_VSYNC_SUSPEND:
@@ -952,7 +952,8 @@ static int control_var_to_par(struct fb_var_screeninfo *var,
  * Convert hardware data in par to an fb_var_screeninfo
  */
 
-static void control_par_to_var(struct fb_par_control *par, struct fb_var_screeninfo *var)
+static inline void control_par_to_var(struct fb_par_control *par,
+	struct fb_var_screeninfo *var)
 {
 	struct control_regints *rv;
 	
-- 
2.24.1