linux-kernel - Re: [v2 PATCH] staging: vc04_services: vchiq

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Date: Thu, 20 Jun 2024 23:11:49 +0100
From: Kieran Bingham <kieran.bingham@...asonboard.com>
To: Florian Fainelli <florian.fainelli@...adcom.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Stefan Wahren <wahrenst@....net>, Umang Jain <umang.jain@...asonboard.com>, linux-rpi-kernel@...ts.infradead.org
Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, Laurent Pinchart <laurent.pinchart@...asonboard.com>, Dave Stevenson <dave.stevenson@...pberrypi.org>, detule <ogjoneski@...il.com>, Dan Carpenter <dan.carpenter@...aro.org>, BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE <linux-arm-kernel@...ts.infradead.org>, STAGING SUBSYSTEM <linux-staging@...ts.linux.dev>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [v2 PATCH] staging: vc04_services: vchiq_arm: Fix initialisation check

Quoting Stefan Wahren (2024-06-20 17:59:39)
> Hi Kieran,
> 
> Am 14.06.24 um 13:31 schrieb Kieran Bingham:
> > Quoting Stefan Wahren (2024-06-14 12:00:38)
> >> Hi Kieran,
> >>
> >> Am 14.06.24 um 12:43 schrieb Kieran Bingham:
> >>> The vchiq_state used to be obtained through an accessor
> >>> which would validate that the VCHIQ had been initialised
> >>> correctly with the remote.
> >>>
> >>> In commit 42a2f6664e18 ("staging: vc04_services: Move global g_state to
> >>> vchiq_state") the global state was moved to the vchiq_mgnt structures
> >>> stored as a vchiq instance specific context. This conversion removed the
> >>> helpers and instead replaced users of this helper with the assumption
> >>> that the state is always available and the remote connected.
> >>>
> >>> Fix this broken assumption by re-introducing the logic that was lost
> >>> during the conversion.
> >>>
> >>> Fixes: 42a2f6664e18 ("staging: vc04_services: Move global g_state to vchiq_state")
> >>> Signed-off-by: Kieran Bingham <kieran.bingham@...asonboard.com>
> >>> ---
> >>> v2:
> >>>    - No change, just resend
> >> what happen to my comments for the first version?
> > Err ... i missed them ... let me go back and look!
> sorry for pestering, but could you please send v3 of the fix? I want to
> rebase my cleanup series on top of that, because bisecting vchiq is
> currently no fun.

I can imagine! Sorry for the delay, should be out on the lists and in
your inbox now.

--
Kieran


> 
> Thanks
> Stefan
> >
> > --
> > Kieran
>