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

From
Florian Fainelli <f.fainelli@gmail.com>
Date
2020-05-29 17:48:17
Also in
linux-spi, lkml
On 5/29/20 10:47 AM, Lukas Wunner wrote:
On Thu, May 28, 2020 at 12:06:05PM -0700, Florian Fainelli wrote:
quoted
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

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Thread (1 message) 1 message, 1 author, last reply 2020-05-29
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