Re: [RFC PATCH] spi: Ensure that CS line is in non-active state after setup
From: Ivan T. Ivanov
Date: Mon Mar 09 2015 - 03:11:47 EST
On Sun, 2015-03-08 at 20:01 +0000, Mark Brown wrote:
> On Fri, Mar 06, 2015 at 05:45:15PM +0200, Ivan T. Ivanov wrote:
> > if (spi->master->setup)
> > status = spi->master->setup(spi);
> > + else
> > + spi_set_cs(spi, false);
> Why would this be conditional on there not being a setup operation?
> It's a good idea, I just don't see why the backstop isn't always useful.
I was thinking that this is expected to be handled inside
setup operation, nothing more.
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