From df3381071ca0ee54b1a3e934cf7ef2fcf6904369 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Thu, 16 Jan 2020 15:53:20 +0100 Subject: [PATCH] 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 Acked-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/d438108a-e569-a14a-a9b1-3fefd88fcadc@samsung.com --- drivers/video/fbdev/w100fb.c | 18 ++++++++++-------- 1 file 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; } -- 2.25.1