From: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
To: Haavard Skinnemoen <hskinnemoen-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
Atsushi Nemoto <anemo-7JcRY8pycbNHfZP73Gtkiw@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: atmel_spi clock polarity
Date: Wed, 20 Feb 2008 17:32:38 -0800 [thread overview]
Message-ID: <200802201732.38932.david-b@pacbell.net> (raw)
In-Reply-To: <20080220103446.1621c81f-STKoQgiEtS/cug01aK12UsGzbamoMwWuEvhb3Hwu1Ks@public.gmane.org>
On Wednesday 20 February 2008, Haavard Skinnemoen wrote:
> >
> > Unfortunately it did not work. The clock state did not change by
> > writing MR register.
>
> Ok, thanks for testing.
>
> In that case, I think the best fix is to let NPCS0 stay selected
> permanently in MR and overwrite CSR0 with to the new slave's settings
> before asserting CS. But that's a more complicated change, and I don't
> know how it will affect the AT91RM9200 special cases.
The rm9200 special cases which, ISTR, still don't work right ...
> So I suggest we merge your patch for 2.6.25, and try to optimize it
> for 2.6.26.
>
> David, do you want me to pass on the patch with my signoff or just ask
> Andrew to add my Acked-by to the patch already in mm?
It'd be good to let Andrew have your ack. It's already in MM, so
if I don't need to sign off it's nice to have less to do there. :)
- Dave
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WARNING: multiple messages have this Message-ID (diff)
From: David Brownell <david-b@pacbell.net>
To: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp>,
spi-devel-general@lists.sourceforge.net,
linux-kernel@vger.kernel.org
Subject: Re: atmel_spi clock polarity
Date: Wed, 20 Feb 2008 17:32:38 -0800 [thread overview]
Message-ID: <200802201732.38932.david-b@pacbell.net> (raw)
In-Reply-To: <20080220103446.1621c81f@dhcp-252-066.norway.atmel.com>
On Wednesday 20 February 2008, Haavard Skinnemoen wrote:
> >
> > Unfortunately it did not work. The clock state did not change by
> > writing MR register.
>
> Ok, thanks for testing.
>
> In that case, I think the best fix is to let NPCS0 stay selected
> permanently in MR and overwrite CSR0 with to the new slave's settings
> before asserting CS. But that's a more complicated change, and I don't
> know how it will affect the AT91RM9200 special cases.
The rm9200 special cases which, ISTR, still don't work right ...
> So I suggest we merge your patch for 2.6.25, and try to optimize it
> for 2.6.26.
>
> David, do you want me to pass on the patch with my signoff or just ask
> Andrew to add my Acked-by to the patch already in mm?
It'd be good to let Andrew have your ack. It's already in MM, so
if I don't need to sign off it's nice to have less to do there. :)
- Dave
next prev parent reply other threads:[~2008-02-21 1:32 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-16 13:32 atmel_spi clock polarity Atsushi Nemoto
[not found] ` <20080216.223252.25909396.anemo-7JcRY8pycbNHfZP73Gtkiw@public.gmane.org>
2008-02-18 11:42 ` Haavard Skinnemoen
2008-02-18 11:42 ` Haavard Skinnemoen
2008-02-18 14:12 ` Atsushi Nemoto
[not found] ` <20080218.231243.41197917.anemo-7JcRY8pycbNHfZP73Gtkiw@public.gmane.org>
2008-02-18 14:31 ` Haavard Skinnemoen
2008-02-18 14:31 ` Haavard Skinnemoen
[not found] ` <20080218153158.2ff8842a-STKoQgiEtS/cug01aK12UsGzbamoMwWuEvhb3Hwu1Ks@public.gmane.org>
2008-02-20 5:21 ` Atsushi Nemoto
2008-02-20 5:21 ` Atsushi Nemoto
[not found] ` <20080220.142109.11595419.nemoto-IGagC74glE2asRnM1LW+pc8NsWr+9BEh@public.gmane.org>
2008-02-20 9:34 ` Haavard Skinnemoen
2008-02-20 9:34 ` Haavard Skinnemoen
[not found] ` <20080220103446.1621c81f-STKoQgiEtS/cug01aK12UsGzbamoMwWuEvhb3Hwu1Ks@public.gmane.org>
2008-02-20 9:50 ` Atsushi Nemoto
2008-02-20 9:50 ` Atsushi Nemoto
[not found] ` <20080220.185045.08317377.nemoto-IGagC74glE2asRnM1LW+pc8NsWr+9BEh@public.gmane.org>
2008-02-21 1:33 ` David Brownell
2008-02-21 1:33 ` David Brownell
2008-02-21 1:32 ` David Brownell [this message]
2008-02-21 1:32 ` David Brownell
2008-02-18 19:57 ` David Brownell
2008-02-18 19:57 ` [spi-devel-general] " David Brownell
[not found] ` <200802181157.57299.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2008-02-18 22:49 ` Haavard Skinnemoen
2008-02-18 22:49 ` [spi-devel-general] " Haavard Skinnemoen
2008-02-19 14:51 ` Atsushi Nemoto
2008-02-19 14:51 ` [spi-devel-general] " Atsushi Nemoto
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