Re: [PATCH 5/9] staging: vc04_services: Do not pass NULL to vchiq_log_error()

Laurent Pinchart
2023-11-07T12:52:44Z

On Tue, Nov 07, 2023 at 06:01:58PM +0530, Umang Jain wrote:
> On 11/7/23 5:55 PM, Laurent Pinchart wrote:
> > On Tue, Nov 07, 2023 at 04:51:52AM -0500, Umang Jain wrote:
> >> vchiq_add_connected_callback() logs using vchiq_log_error() macro,
> >> but passes NULL instead of a struct device pointer. Fix it.
> >>
> >> vchiq_add_connected_callback() is not used anywhere in the vc04_services
> >> as of now. It will be used when we add new drivers(VC shared memory and
> >> bcm2835-isp), hence it kept as it is for now.
> >>
> >> Fixes: 1d8915cf8899 ("staging: vc04: Convert vchiq_log_error() to use dynamic debug")
> >> Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
> >> ---
> >> .../vc04_services/interface/vchiq_arm/vchiq_connected.c | 4 ++--
> >> .../vc04_services/interface/vchiq_arm/vchiq_connected.h | 4 +++-
> >> 2 files changed, 5 insertions(+), 3 deletions(-)
> >>
> >> diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c
> >> index b3928bd8c9c6..21f9fa1a1713 100644
> >> --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c
> >> +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c
> >> @@ -27,7 +27,7 @@ static void connected_init(void)
> >> * be made immediately, otherwise it will be deferred until
> >> * vchiq_call_connected_callbacks is called.
> >> */
> >> -void vchiq_add_connected_callback(void (*callback)(void))
> >> +void vchiq_add_connected_callback(struct vchiq_device *device, void (*callback)(void))
> >
> > You're changing the prototype of the function, but the patch doesn't
> > update any user. If the function is unused, it looks like you can drop
> > it instead. Looking at the rest of the vchiq_connected.c file, I think
> > you can actually drop the whole file.
>
> I mentioned in the commit message of this patch. There will be users in
> the near future.

Yes sorry I missed it, I should have read it more carefully. My fault.

> >> {
> >> connected_init();
> >>
> >> @@ -39,7 +39,7 @@ void vchiq_add_connected_callback(void (*callback)(void))
> >> callback();
> >> } else {
> >> if (g_num_deferred_callbacks >= MAX_CALLBACKS) {
> >> - vchiq_log_error(NULL, VCHIQ_CORE,
> >> + vchiq_log_error(&device->dev, VCHIQ_CORE,
> >> "There already %d callback registered - please increase MAX_CALLBACKS",
> >> g_num_deferred_callbacks);
> >> } else {
> >> diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h
> >> index 4caf5e30099d..e4ed56446f8a 100644
> >> --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h
> >> +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h
> >> @@ -1,10 +1,12 @@
> >> /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
> >> /* Copyright (c) 2010-2012 Broadcom. All rights reserved. */
> >>
> >> +#include "vchiq_bus.h"
> >> +
> >> #ifndef VCHIQ_CONNECTED_H
> >> #define VCHIQ_CONNECTED_H
> >>
> >> -void vchiq_add_connected_callback(void (*callback)(void));
> >> +void vchiq_add_connected_callback(struct vchiq_device *device, void (*callback)(void));
> >> void vchiq_call_connected_callbacks(void);
> >>
> >> #endif /* VCHIQ_CONNECTED_H */

--
Regards,

Laurent Pinchart