We get 1 warning when building kernel with W=1: drivers/staging/media/omap4iss/iss.c:64:6: warning: no previous prototype for 'omap4iss_flush' [-Wmissing-prototypes] In fact, this function is only used in the file in which it is declared and don't need a declaration, but can be made static. so this patch marks this function with 'static'. Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx> --- drivers/staging/media/omap4iss/iss.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c index 6ceb4eb..e27c7a9 100644 --- a/drivers/staging/media/omap4iss/iss.c +++ b/drivers/staging/media/omap4iss/iss.c @@ -61,7 +61,7 @@ static void iss_print_status(struct iss_device *iss) * See this link for reference: * http://www.mail-archive.com/linux-omap@xxxxxxxxxxxxxxx/msg08149.html */ -void omap4iss_flush(struct iss_device *iss) +static void omap4iss_flush(struct iss_device *iss) { iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_REVISION, 0); iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_HL_REVISION); -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html