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Subject: Re: [PATCH 1/2] watchdog: mtx-1: Drop au1000.h header inclusion
To:     Guenter Roeck <linux@roeck-us.net>, linux-watchdog@vger.kernel.org
Cc:     Wim Van Sebroeck <wim@linux-watchdog.org>,
        open list <linux-kernel@vger.kernel.org>,
        linux-mips@linux-mips.org, Paul Burton <paulburton@kernel.org>,
        Denis Efremov <efremov@linux.com>
References: <20191211210204.31579-1-f.fainelli@gmail.com>
 <20191211210204.31579-2-f.fainelli@gmail.com>
 <21b7be75-db61-3b14-c57c-04af0b78b347@roeck-us.net>
From:   Florian Fainelli <f.fainelli@gmail.com>
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Message-ID: <3fdc99fa-f75c-33d4-e1c4-ec8ad185e2cd@gmail.com>
Date:   Wed, 11 Dec 2019 19:38:29 -0800
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On 12/11/2019 5:35 PM, Guenter Roeck wrote:
> On 12/11/19 1:02 PM, Florian Fainelli wrote:
>> Including au1000.h from the machine specific header directory prevents
>> this driver from being built on any other platforms (MIPS included).
>> Since we do not use any definitions, drop it.
>>
>> Reported-by: Denis Efremov <efremov@linux.com>
>> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
>> ---
>>   drivers/watchdog/mtx-1_wdt.c | 2 --
>>   1 file changed, 2 deletions(-)
>>
>> diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c
>> index 25a92857b217..aeca22f7450e 100644
>> --- a/drivers/watchdog/mtx-1_wdt.c
>> +++ b/drivers/watchdog/mtx-1_wdt.c
>> @@ -41,8 +41,6 @@
>>   #include <linux/uaccess.h>
>>   #include <linux/gpio/consumer.h>
>>   -#include <asm/mach-au1x00/au1000.h>
>> -
>>   #define MTX1_WDT_INTERVAL    (5 * HZ)
>>     static int ticks = 100 * HZ;
>>
> 
> Given that this is nothing but yet another gpio watchdog driver, I'd
> personally rather have it merged with gpio_wdt.c. On a higher level,
> cleaning up old-style watchdog drivers, without converting them to
> using the watchdog core, is a waste of time.

If that makes you feel any better, I was not planning on going further
than that, and yes, removing this driver and using gpio_wdt.c would be
the way to go, this driver greatly predates gpio_wdt.c and I have since
then not had access to my MTX-1 platforms which is why this did not
happen. We can attempt a "blind conversion" without testing, but what
good would that make, not sure.

> 
> Wim, should we make it a policy to reject patches into old-style drivers
> unless they fix a real bug ? It is getting a pain to have to review those
> patches.
> 
> Thanks,
> Guenter

-- 
Florian