framebuffer_alloc allocated the fb_info struct plus the extra
par and set fb_info->par pointer equal to this extra par. We
can refer the mxcfb_info from fb_info->par
Signed-off-by: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/fbdev/mxsfb.c | 27 +++++++++++++--------------
1 file changed, 13 insertions(+), 14 deletions(-)
diff --git a/drivers/video/fbdev/mxsfb.c b/drivers/video/fbdev/mxsfb.c
index 79b1dc7..fa24ddc 100644
--- a/drivers/video/fbdev/mxsfb.c
+++ b/drivers/video/fbdev/mxsfb.c
@@ -169,7 +169,6 @@ struct mxsfb_devdata {
};
struct mxsfb_info {
- struct fb_info fb_info;
struct platform_device *pdev;
struct clk *clk;
struct clk *clk_axi;
@@ -208,7 +207,7 @@ static const struct mxsfb_devdata mxsfb_devdata[] = {
},
};
-#define to_imxfb_host(x) (container_of(x, struct mxsfb_info, fb_info))
+#define to_imxfb_host(x) (((struct fb_info *)(x))->par)
/* mask and shift depends on architecture */
static inline u32 set_hsync_pulse_width(struct mxsfb_info *host, unsigned val)
@@ -622,10 +621,10 @@ static struct fb_ops mxsfb_ops = {
.fb_imageblit = cfb_imageblit,
};
-static int mxsfb_restore_mode(struct mxsfb_info *host,
+static int mxsfb_restore_mode(struct fb_info *fb_info,
struct fb_videomode *vmode)
{
- struct fb_info *fb_info = &host->fb_info;
+ struct mxsfb_info *host = to_imxfb_host(fb_info);
unsigned line_count;
unsigned period;
unsigned long pa, fbsize;
@@ -726,10 +725,10 @@ static int mxsfb_restore_mode(struct mxsfb_info *host,
return ret;
}
-static int mxsfb_init_fbinfo_dt(struct mxsfb_info *host,
+static int mxsfb_init_fbinfo_dt(struct fb_info *fb_info,
struct fb_videomode *vmode)
{
- struct fb_info *fb_info = &host->fb_info;
+ struct mxsfb_info *host = to_imxfb_host(fb_info);
struct fb_var_screeninfo *var = &fb_info->var;
struct device *dev = &host->pdev->dev;
struct device_node *np = host->pdev->dev.of_node;
@@ -805,12 +804,12 @@ static int mxsfb_init_fbinfo_dt(struct mxsfb_info *host,
return ret;
}
-static int mxsfb_init_fbinfo(struct mxsfb_info *host,
+static int mxsfb_init_fbinfo(struct fb_info *fb_info,
struct fb_videomode *vmode)
{
int ret;
+ struct mxsfb_info *host = to_imxfb_host(fb_info);
struct device *dev = &host->pdev->dev;
- struct fb_info *fb_info = &host->fb_info;
struct fb_var_screeninfo *var = &fb_info->var;
dma_addr_t fb_phys;
void *fb_virt;
@@ -824,7 +823,7 @@ static int mxsfb_init_fbinfo(struct mxsfb_info *host,
fb_info->fix.visual = FB_VISUAL_TRUECOLOR,
fb_info->fix.accel = FB_ACCEL_NONE;
- ret = mxsfb_init_fbinfo_dt(host, vmode);
+ ret = mxsfb_init_fbinfo_dt(fb_info, vmode);
if (ret)
return ret;
@@ -843,16 +842,16 @@ static int mxsfb_init_fbinfo(struct mxsfb_info *host,
fb_info->screen_base = fb_virt;
fb_info->screen_size = fb_info->fix.smem_len = fb_size;
- if (mxsfb_restore_mode(host, vmode))
+ if (mxsfb_restore_mode(fb_info, vmode))
memset(fb_virt, 0, fb_size);
return 0;
}
-static void mxsfb_free_videomem(struct mxsfb_info *host)
+static void mxsfb_free_videomem(struct fb_info *fb_info)
{
+ struct mxsfb_info *host = to_imxfb_host(fb_info);
struct device *dev = &host->pdev->dev;
- struct fb_info *fb_info = &host->fb_info;
dma_free_wc(dev, fb_info->screen_size, fb_info->screen_base,
fb_info->fix.smem_start);
@@ -941,7 +940,7 @@ static int mxsfb_probe(struct platform_device *pdev)
goto fb_release;
}
- ret = mxsfb_init_fbinfo(host, mode);
+ ret = mxsfb_init_fbinfo(fb_info, mode);
if (ret != 0)
goto fb_release;
@@ -988,7 +987,7 @@ static int mxsfb_remove(struct platform_device *pdev)
mxsfb_disable_controller(fb_info);
unregister_framebuffer(fb_info);
- mxsfb_free_videomem(host);
+ mxsfb_free_videomem(fb_info);
framebuffer_release(fb_info);
--
2.7.4
--
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