[PATCH 3/6] spi: bcm2835: fill FIFO before enabling interrupts to

Mark Brown broonie at kernel.org
Tue Apr 7 10:40:03 PDT 2015

On Tue, Apr 07, 2015 at 07:05:01PM +0200, Martin Sperl wrote:

> But as spi_messages with multiple spi_transfers are rarely used
> and as the issue itself is only happening only with a low probability
> and some devices not detecting cs changes that are below a certain time
> the likleyhood of such a situation being detected are minimal and
> would typically get attributed to other factors...

For your workload perhaps.  For some workloads they are very common
(register reads are the most obvious example, they are typically a write
transfer to provide the register address followed by a read transfer for
the data).
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