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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/