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SubjectRe: [PATCH] spi: bcm2835: Implement shutdown callback
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.

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