diff options
| author | Marko Kohtala <marko.kohtala@okoko.fi> | 2019-06-18 09:41:06 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2019-07-23 17:17:37 +0200 |
| commit | ed1dc7d565788eb2b378360c79d7060ad2d41770 (patch) | |
| tree | af2b52cadcb3fcd267b02ea795dad16b80cbf5c1 /drivers/video | |
| parent | video: fbdev-MMP: Remove call to memset after dma_alloc_coherent (diff) | |
| download | linux-ed1dc7d565788eb2b378360c79d7060ad2d41770.tar.xz linux-ed1dc7d565788eb2b378360c79d7060ad2d41770.zip | |
video: ssd1307fb: Use screen_buffer instead of screen_base
sparse reported incorrect type due to different address spaces.
The screen_base is __iomem, but the memory is not from a device so we can
use screen_buffer instead and avoid some type casts.
Signed-off-by: Marko Kohtala <marko.kohtala@okoko.fi>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190618074111.9309-2-marko.kohtala@okoko.fi
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/ssd1307fb.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index b674948e3bb8..0597f24bd5be 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -149,7 +149,7 @@ static inline int ssd1307fb_write_cmd(struct i2c_client *client, u8 cmd) static void ssd1307fb_update_display(struct ssd1307fb_par *par) { struct ssd1307fb_array *array; - u8 *vmem = par->info->screen_base; + u8 *vmem = par->info->screen_buffer; int i, j, k; array = ssd1307fb_alloc_array(par->width * par->height / 8, @@ -212,7 +212,7 @@ static ssize_t ssd1307fb_write(struct fb_info *info, const char __user *buf, struct ssd1307fb_par *par = info->par; unsigned long total_size; unsigned long p = *ppos; - u8 __iomem *dst; + void *dst; total_size = info->fix.smem_len; @@ -225,7 +225,7 @@ static ssize_t ssd1307fb_write(struct fb_info *info, const char __user *buf, if (!count) return -EINVAL; - dst = (void __force *) (info->screen_base + p); + dst = info->screen_buffer + p; if (copy_from_user(dst, buf, count)) return -EFAULT; @@ -546,7 +546,7 @@ static int ssd1307fb_probe(struct i2c_client *client, struct fb_deferred_io *ssd1307fb_defio; u32 vmem_size; struct ssd1307fb_par *par; - u8 *vmem; + void *vmem; int ret; if (!node) { @@ -654,7 +654,7 @@ static int ssd1307fb_probe(struct i2c_client *client, info->var.blue.length = 1; info->var.blue.offset = 0; - info->screen_base = (u8 __force __iomem *)vmem; + info->screen_buffer = vmem; info->fix.smem_start = __pa(vmem); info->fix.smem_len = vmem_size; |