Re: [PATCH] spi: bcm2835: Implement shutdown callback

[Florian Fainelli <f.fainelli@xxxxxxxxx>]

On 5/29/20 10:47 AM, Lukas Wunner wrote:
> On Thu, May 28, 2020 at 12:06:05PM -0700, Florian Fainelli wrote:
>> Make sure we clear the FIFOs, stop the block, disable the clock and
>> release the DMA channel.
> 
> To what end?  Why is this change necessary?  Sorry but this seems like
> an awfully terse commit message.

To ensure clocks are disabled and to save power in low power modes used
on 7211 for instance.
-- 
Florian