Re: [PATCH] mtd: sst25l: fix reads with broken spi-masters
From: David Brownell
Date: Fri Jan 14 2011 - 17:34:38 EST
--- On Fri, 1/14/11, Grant Likely <grant.likely@xxxxxxxxxxxx> wrote:
> > The bug _is_ in the spi peripheral on the ep93xx.
> >
>
> No, David is correct. The fault is in the master
> driver. It is perfectly valid (and common) for spi
> peripherals to required the SS line to remain asserted over
> the entire transfer.
And that's what the Linux SPI stack requires,
so any master driver that doesn't keep the
slave selected during the entiretransfer is buggy.
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