diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-10-09 13:51:35 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-13 23:52:45 +1100 |
| commit | e04e39507c3c3da9cba31ee2e52f51b10b6350d0 (patch) | |
| tree | e7c5be2f8aec258a77758250ded7373ee1dc19db /drivers/video/fbdev/valkyriefb.c | |
| parent | 86c391bd5f47101acf1f3e0abd9fe0616ae2a4fb (diff) | |
drivers/video/fbdev: use ioremap_wc/wt() instead of __ioremap()
_PAGE_NO_CACHE is a platform specific flag. In addition, this flag
is misleading because one would think it requests a noncached page
whereas a noncached page is _PAGE_NO_CACHE | _PAGE_GUARDED
_PAGE_NO_CACHE alone means write combined noncached page, so lets
use ioremap_wc() instead.
_PAGE_WRITETHRU is also platform specific flag. Use ioremap_wt()
instead.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/video/fbdev/valkyriefb.c')
| -rw-r--r-- | drivers/video/fbdev/valkyriefb.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/video/fbdev/valkyriefb.c b/drivers/video/fbdev/valkyriefb.c index 275fb98236d3..d51c3a8009cb 100644 --- a/drivers/video/fbdev/valkyriefb.c +++ b/drivers/video/fbdev/valkyriefb.c @@ -54,13 +54,11 @@ #include <linux/nvram.h> #include <linux/adb.h> #include <linux/cuda.h> -#include <asm/io.h> #ifdef CONFIG_MAC #include <asm/macintosh.h> #else #include <asm/prom.h> #endif -#include <asm/pgtable.h> #include "macmodes.h" #include "valkyriefb.h" @@ -318,7 +316,7 @@ static void __init valkyrie_choose_mode(struct fb_info_valkyrie *p) int __init valkyriefb_init(void) { struct fb_info_valkyrie *p; - unsigned long frame_buffer_phys, cmap_regs_phys, flags; + unsigned long frame_buffer_phys, cmap_regs_phys; int err; char *option = NULL; @@ -337,7 +335,6 @@ int __init valkyriefb_init(void) /* Hardcoded addresses... welcome to 68k Macintosh country :-) */ frame_buffer_phys = 0xf9000000; cmap_regs_phys = 0x50f24000; - flags = IOMAP_NOCACHE_SER; /* IOMAP_WRITETHROUGH?? */ #else /* ppc (!CONFIG_MAC) */ { struct device_node *dp; @@ -354,7 +351,6 @@ int __init valkyriefb_init(void) frame_buffer_phys = r.start; cmap_regs_phys = r.start + 0x304000; - flags = _PAGE_WRITETHRU; } #endif /* ppc (!CONFIG_MAC) */ @@ -369,7 +365,11 @@ int __init valkyriefb_init(void) } p->total_vram = 0x100000; p->frame_buffer_phys = frame_buffer_phys; - p->frame_buffer = __ioremap(frame_buffer_phys, p->total_vram, flags); +#ifdef CONFIG_MAC + p->frame_buffer = ioremap_nocache(frame_buffer_phys, p->total_vram); +#else + p->frame_buffer = ioremap_wt(frame_buffer_phys, p->total_vram); +#endif p->cmap_regs_phys = cmap_regs_phys; p->cmap_regs = ioremap(p->cmap_regs_phys, 0x1000); p->valkyrie_regs_phys = cmap_regs_phys+0x6000; |