[PATCH 10/11] fbdev/ps3fb: use vm_iomap_memory()
From: Tomi Valkeinen <hidden>
Date: 2013-04-23 06:37:29
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Subsystem:
framebuffer layer, ps3 platform support, the rest · Maintainers:
Helge Deller, Geoff Levand, Linus Torvalds
Use vm_iomap_memory() instead of [io_]remap_pfn_range(). vm_iomap_memory() gives us much simpler API to map memory to userspace, and reduces possibilities for bugs. Signed-off-by: Tomi Valkeinen <redacted> Cc: Geert Uytterhoeven <redacted> --- drivers/video/ps3fb.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-)
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c
index 920c27b..1bdeb08 100644
--- a/drivers/video/ps3fb.c
+++ b/drivers/video/ps3fb.c@@ -705,21 +705,14 @@ static int ps3fb_pan_display(struct fb_var_screeninfo *var, static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma) { - unsigned long size, offset; + int r; - size = vma->vm_end - vma->vm_start; - offset = vma->vm_pgoff << PAGE_SHIFT; - if (offset + size > info->fix.smem_len) - return -EINVAL; - - offset += info->fix.smem_start; - if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, - size, vma->vm_page_prot)) - return -EAGAIN; + r = vm_ioremap_memory(vma, info->fix.smem_start, info->fix.smem_len); dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", offset, vma->vm_start); - return 0; + + return r; } /*
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1.7.10.4