Re: [PATCH 1/2] mtd: maps: physmap: Store gpio_values correctly

[Chris Packham]

On 28/03/19 9:32 PM, Boris Brezillon wrote:
> On Thu, 28 Mar 2019 17:02:15 +1300
> Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> wrote:
> 
>> When the gpio-addr-flash.c driver was merged with physmap-core.c the
>> code to store the current gpio_values was lost. This meant that once a
>> gpio was asserted it was never de-asserted. Fix this by storing the
>> current offset in gpio_values like the old driver used to.
>>
>> Fixes: commit ba32ce95cbd9 ("mtd: maps: Merge gpio-addr-flash.c into physmap-core.c")
> 
> You miss
> 
> Cc: <stable@xxxxxxxxxxxxxxx>
> 

I wasn't sure. As the original commit said there are no in-tree users of 
  addr-gpios so maybe no-one else noticed. I'll wait for any other 
comments and send a v2 with a Cc for stable.

>> Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
> 
> Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
> 
>> ---
>>   drivers/mtd/maps/physmap-core.c | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/mtd/maps/physmap-core.c b/drivers/mtd/maps/physmap-core.c
>> index d9a3e4bebe5d..21b556afc305 100644
>> --- a/drivers/mtd/maps/physmap-core.c
>> +++ b/drivers/mtd/maps/physmap-core.c
>> @@ -132,6 +132,8 @@ static void physmap_set_addr_gpios(struct physmap_flash_info *info,
>>   
>>   		gpiod_set_value(info->gpios->desc[i], !!(BIT(i) & ofs));
>>   	}
>> +
>> +	info->gpio_values = ofs;
>>   }
>>   
>>   #define win_mask(order)		(BIT(order) - 1)
> 
>