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authorBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2020-01-16 15:53:20 +0100
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2020-03-02 16:31:51 +0100
commitdf3381071ca0ee54b1a3e934cf7ef2fcf6904369 (patch)
treeb2e5bc289b98e213c24c6128a7a275969837d2d5 /drivers/video/fbdev
parent3d3287e609877aa549b1cbb41eafaf73c3742a0b (diff)
video: fbdev: w100fb: fix sparse warnings
* Add missing __iomem annotations where needed. * Make w100fb_probe() static. * Return NULL pointer (instead of using plain integer) in w100_get_xtal_tabl(). Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/d438108a-e569-a14a-a9b1-3fefd88fcadc@samsung.com
Diffstat (limited to 'drivers/video/fbdev')
-rw-r--r--drivers/video/fbdev/w100fb.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/video/fbdev/w100fb.c b/drivers/video/fbdev/w100fb.c
index ad26cbffbc6f..2d6e2738b792 100644
--- a/drivers/video/fbdev/w100fb.c
+++ b/drivers/video/fbdev/w100fb.c
@@ -61,9 +61,9 @@ struct w100_pll_info *w100_get_xtal_table(unsigned int freq);
#define BITS_PER_PIXEL 16
/* Remapped addresses for base cfg, memmapped regs and the frame buffer itself */
-static void *remapped_base;
-static void *remapped_regs;
-static void *remapped_fbuf;
+static void __iomem *remapped_base;
+static void __iomem *remapped_regs;
+static void __iomem *remapped_fbuf;
#define REMAPPED_FB_LEN 0x15ffff
@@ -635,7 +635,7 @@ static int w100fb_resume(struct platform_device *dev)
#endif
-int w100fb_probe(struct platform_device *pdev)
+static int w100fb_probe(struct platform_device *pdev)
{
int err = -EIO;
struct w100fb_mach_info *inf;
@@ -807,10 +807,11 @@ static int w100fb_remove(struct platform_device *pdev)
static void w100_soft_reset(void)
{
- u16 val = readw((u16 *) remapped_base + cfgSTATUS);
- writew(val | 0x08, (u16 *) remapped_base + cfgSTATUS);
+ u16 val = readw((u16 __iomem *)remapped_base + cfgSTATUS);
+
+ writew(val | 0x08, (u16 __iomem *)remapped_base + cfgSTATUS);
udelay(100);
- writew(0x00, (u16 *) remapped_base + cfgSTATUS);
+ writew(0x00, (u16 __iomem *)remapped_base + cfgSTATUS);
udelay(100);
}
@@ -1022,7 +1023,8 @@ struct w100_pll_info *w100_get_xtal_table(unsigned int freq)
return pll_entry->pll_table;
pll_entry++;
} while (pll_entry->xtal_freq);
- return 0;
+
+ return NULL;
}