On Tue, Apr 18, 2023 at 01:23:11PM +0200, Simon Horman wrote: > vchiq_platform_init() is only used in this file so it can be static. > > clang-16 with W=1 reports: > > drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:465:5: error: no previous prototype for function 'vchiq_platform_init' [-Werror,-Wmissing-prototypes] > int vchiq_platform_init(struct platform_device *pdev, struct vchiq_state *state) > ^ > drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:465:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > > Signed-off-by: Simon Horman <horms@xxxxxxxxxx> Introduced by commit 89cc4218f640 ("staging: vchiq_arm: drop unnecessary declarations"), not sure it is worth a fixes tag since it is a W=1 warning. Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx> > --- > drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c > index 40dd62cf7399..59312b9f2058 100644 > --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c > +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c > @@ -462,7 +462,8 @@ free_pagelist(struct vchiq_instance *instance, struct vchiq_pagelist_info *pagel > cleanup_pagelistinfo(instance, pagelistinfo); > } > > -int vchiq_platform_init(struct platform_device *pdev, struct vchiq_state *state) > +static int > +vchiq_platform_init(struct platform_device *pdev, struct vchiq_state *state) > { > struct device *dev = &pdev->dev; > struct vchiq_drvdata *drvdata = platform_get_drvdata(pdev); >