In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva gustavo@embeddedor.com --- drivers/video/fbdev/i740fb.c | 1 + drivers/video/fbdev/pm2fb.c | 2 ++ drivers/video/fbdev/tdfxfb.c | 1 + drivers/video/fbdev/via/lcd.c | 1 + 4 files changed, 5 insertions(+)
diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c index 7bc5f60..f6d7b04 100644 --- a/drivers/video/fbdev/i740fb.c +++ b/drivers/video/fbdev/i740fb.c @@ -429,6 +429,7 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var, break; case 9 ... 15: bpp = 15; + /* fall through */ case 16: if ((1000000 / var->pixclock) > DACSPEED16) { dev_err(info->device, "requested pixclock %i MHz out of range (max. %i MHz at 15/16bpp)\n", diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c index bd6c2f5..1dcf02e 100644 --- a/drivers/video/fbdev/pm2fb.c +++ b/drivers/video/fbdev/pm2fb.c @@ -233,8 +233,10 @@ static u32 to3264(u32 timing, int bpp, int is64) switch (bpp) { case 24: timing *= 3; + /* fall through */ case 8: timing >>= 1; + /* fall through */ case 16: timing >>= 1; case 32: diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index dec1fed..fbbf26b 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -522,6 +522,7 @@ static int tdfxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) case 32: var->transp.offset = 24; var->transp.length = 8; + /* fall through */ case 24: var->red.offset = 16; var->green.offset = 8; diff --git a/drivers/video/fbdev/via/lcd.c b/drivers/video/fbdev/via/lcd.c index 5d21ff4..b9305d7 100644 --- a/drivers/video/fbdev/via/lcd.c +++ b/drivers/video/fbdev/via/lcd.c @@ -758,6 +758,7 @@ static void set_lcd_output_path(int set_iga, int output_interface) viaparinfo->chip_info->gfx_chip_name)) viafb_write_reg_mask(CR97, VIACR, 0x84, BIT7 + BIT2 + BIT1 + BIT0); + /* fall through */ case INTERFACE_DVP0: case INTERFACE_DVP1: case INTERFACE_DFP_HIGH: