From: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
To: Stefano Babic <sbabic-ynQEQJNshbs@public.gmane.org>
Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH] mpc52xx_psc_spi setting the tdfOnExit flag only on the last byte
Date: Tue, 30 Sep 2008 08:07:26 -0600 [thread overview]
Message-ID: <20080930140726.GG18313@secretlab.ca> (raw)
In-Reply-To: <1222766572-17499-1-git-send-email-sbabic-ynQEQJNshbs@public.gmane.org>
On Tue, Sep 30, 2008 at 11:22:51AM +0200, Stefano Babic wrote:
> According to the manual the "tdfOnExit" flag must be set on the last byte
> we want to send. The PSC controller holds SS low until the flag is set.
> However, the flag was set always on the last byte of the FIFO, independently if
> it is the last byte of the transfer. This generates spurious toggling of the
> SS signals that breaks the protocol of some peripherals.
>
> Signed-off-by: Stefano Babic <sbabic-ynQEQJNshbs@public.gmane.org>
Your patchs and descriptions are getting sent in separate emails. How are you
sending your patches?
g.
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next prev parent reply other threads:[~2008-09-30 14:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-30 9:22 [PATCH] mpc52xx_psc_spi setting the tdfOnExit flag only on the last byte Stefano Babic
[not found] ` <1222766572-17499-1-git-send-email-sbabic-ynQEQJNshbs@public.gmane.org>
2008-09-30 9:22 ` Stefano Babic
[not found] ` <1222766572-17499-2-git-send-email-sbabic-ynQEQJNshbs@public.gmane.org>
2008-09-30 14:09 ` Grant Likely
2008-09-30 14:07 ` Grant Likely [this message]
[not found] ` <20080930140726.GG18313-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
2008-09-30 14:15 ` Stefano Babic
[not found] ` <48E23473.8060604-ynQEQJNshbs@public.gmane.org>
2008-09-30 14:44 ` Grant Likely
2008-10-01 11:12 ` Stefan Roese
[not found] ` <200810011312.27678.sr-ynQEQJNshbs@public.gmane.org>
2008-10-01 14:29 ` Stefano Babic
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