[PATCH RESEND 2/3] drivers/video/fbdev: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU)
Christophe Leroy
christophe.leroy at c-s.fr
Sat Aug 25 14:27:00 UTC 2018
_PAGE_WRITETHRU is a target specific flag. Prefer generic functions.
Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
---
drivers/video/fbdev/controlfb.c | 3 +--
drivers/video/fbdev/platinumfb.c | 3 +--
drivers/video/fbdev/valkyriefb.c | 10 ++++++----
3 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c
index 8d14b29aafea..058093990218 100644
--- a/drivers/video/fbdev/controlfb.c
+++ b/drivers/video/fbdev/controlfb.c
@@ -715,8 +715,7 @@ static int __init control_of_init(struct device_node *dp)
goto error_out;
}
/* map at most 8MB for the frame buffer */
- p->frame_buffer = __ioremap(p->frame_buffer_phys, 0x800000,
- _PAGE_WRITETHRU);
+ p->frame_buffer = ioremap_wt(p->frame_buffer_phys, 0x800000);
if (!p->control_regs_phys ||
!request_mem_region(p->control_regs_phys, p->control_regs_size,
diff --git a/drivers/video/fbdev/platinumfb.c b/drivers/video/fbdev/platinumfb.c
index 377d3399a3ad..df79f102fbc6 100644
--- a/drivers/video/fbdev/platinumfb.c
+++ b/drivers/video/fbdev/platinumfb.c
@@ -577,8 +577,7 @@ static int platinumfb_probe(struct platform_device* odev)
/* frame buffer - map only 4MB */
pinfo->frame_buffer_phys = pinfo->rsrc_fb.start;
- pinfo->frame_buffer = __ioremap(pinfo->rsrc_fb.start, 0x400000,
- _PAGE_WRITETHRU);
+ pinfo->frame_buffer = ioremap_wt(pinfo->rsrc_fb.start, 0x400000);
pinfo->base_frame_buffer = pinfo->frame_buffer;
/* registers */
diff --git a/drivers/video/fbdev/valkyriefb.c b/drivers/video/fbdev/valkyriefb.c
index 275fb98236d3..0c6c1eede800 100644
--- a/drivers/video/fbdev/valkyriefb.c
+++ b/drivers/video/fbdev/valkyriefb.c
@@ -318,7 +318,7 @@ 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 +337,6 @@ 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 +353,6 @@ 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 +367,11 @@ 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;
--
2.17.1
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