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From: Stefan Wahren <stefan.wahren@i2se.com>
To: Ojaswin Mujoo <ojaswin98@gmail.com>,
	Greg KH <gregkh@linuxfoundation.org>
Cc: nsaenz@kernel.org, dan.carpenter@oracle.com,
	phil@raspberrypi.com, linux-arm-kernel@lists.infradead.org,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] staging: vchiq: Set $CONFIG_VCHIQ_CDEV to be enabled by default
Date: Wed, 28 Jul 2021 22:21:41 +0200	[thread overview]
Message-ID: <ddcc0ba2-edc0-89a9-b20d-ce58b3e548fc@i2se.com> (raw)
In-Reply-To: <20210728200607.GB17046@ojas>

Am 28.07.21 um 22:06 schrieb Ojaswin Mujoo:
> On Wed, Jul 28, 2021 at 08:45:55PM +0200, Greg KH wrote:
>> On Thu, Jul 29, 2021 at 12:07:16AM +0530, Ojaswin Mujoo wrote:
>>> Before this config was defined, the cdev used to be created
>>> unconditionally. When an earlier commit introduced this config, the
>>> default behavior was set to disabled, which might surprise some
>>> unsuspecting users.  Hence, make this config default to 'Y' to be more
>>> backward consistent.
>>>
>>> Signed-off-by: Ojaswin Mujoo <ojaswin98@gmail.com>
>>> ---
>>>  drivers/staging/vc04_services/Kconfig | 1 +
>>>  1 file changed, 1 insertion(+)
>>>
>>> diff --git a/drivers/staging/vc04_services/Kconfig b/drivers/staging/vc04_services/Kconfig
>>> index 63caa6818d37..2b70c37cdd09 100644
>>> --- a/drivers/staging/vc04_services/Kconfig
>>> +++ b/drivers/staging/vc04_services/Kconfig
>>> @@ -23,6 +23,7 @@ if BCM2835_VCHIQ
>>>  
>>>  config VCHIQ_CDEV
>>>  	bool "VCHIQ Character Driver"
>>> +	default y
>>
>> default y is only if the machine will not work without this option.
>> Is that the case here?  If not, then please do not have this as the
>> default.
> Got it Greg. 
>
> From my testing, the Raspberry Pi does seem to boot correctly without
> this although some userspace libraries might not work. 
>
> Since the machine itself works, I guess I'll drop this patch.

The idea is good, but the patch needs improvement :)

Acceptable solution might be that BCM2835_VCHIQ selects VCHIQ_CDEV.

>
> Thank you!
> Ojaswin
>> thanks,
>>
>> greg k-h
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel


  reply	other threads:[~2021-07-28 20:22 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-28 18:37 [PATCH 0/2] staging: vchiq: Minor fixups to CONFIG_VCHIQ_CDEV Ojaswin Mujoo
2021-07-28 18:37 ` [PATCH 1/2] staging: vchiq: Set $CONFIG_VCHIQ_CDEV to be enabled by default Ojaswin Mujoo
2021-07-28 18:45   ` Greg KH
2021-07-28 20:06     ` Ojaswin Mujoo
2021-07-28 20:21       ` Stefan Wahren [this message]
2021-07-29 14:20         ` Ojaswin Mujoo
2021-07-28 18:37 ` [PATCH 2/2] staging: vchiq: Add details to $CONFIG_VCHIQ_CDEV help text Ojaswin Mujoo
2021-07-28 18:46   ` Greg KH
2021-07-28 20:00     ` Ojaswin Mujoo
2021-07-28 20:39       ` Stefan Wahren
2021-07-29 13:47         ` Ojaswin Mujoo

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