diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-11-24 11:53:47 +0100 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2012-03-12 22:40:43 +0100 |
| commit | 12ee2502c0503c484a7df052d356e39c40b02400 (patch) | |
| tree | a1303e7105e30310cd1bf72c9f8dfdc626f0c65e | |
| parent | 37c5dcc21ddaa9f946c4d691996bb3076598b813 (diff) | |
fbdev: sh_mobile_hdmi: Don't access LCDC channel in notifier callback
Instead of relying on info->par being a pointer to an LCDC channel, cast
the notifier block pointer to an sh_hdmi pointer.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| -rw-r--r-- | drivers/video/sh_mobile_hdmi.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c index 647ba984f00f..a77bbc3e9e13 100644 --- a/drivers/video/sh_mobile_hdmi.c +++ b/drivers/video/sh_mobile_hdmi.c @@ -225,6 +225,8 @@ struct sh_hdmi { struct notifier_block notifier; }; +#define notifier_to_hdmi(n) container_of(n, struct sh_hdmi, notifier) + static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg) { iowrite8(data, hdmi->base + reg); @@ -1204,11 +1206,9 @@ static int sh_hdmi_notify(struct notifier_block *nb, { struct fb_event *event = data; struct fb_info *info = event->info; - struct sh_mobile_lcdc_chan *ch = info->par; - struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg; - struct sh_hdmi *hdmi = board_cfg->board_data; + struct sh_hdmi *hdmi = notifier_to_hdmi(nb); - if (!hdmi || nb != &hdmi->notifier || hdmi->info != info) + if (hdmi->info != info) return NOTIFY_DONE; switch(action) { |