From: Tony Lindgren <tony@atomide.com>
To: Paul Walmsley <paul@pwsan.com>
Cc: linux-omap@vger.kernel.org, Richard Woodruff <r-woodruff2@ti.com>
Subject: Re: [PATCH 0/2] OMAP: I2C: reprogram OCP_SYSCONFIG after device reset
Date: Fri, 21 Nov 2008 13:34:39 -0800 [thread overview]
Message-ID: <20081121213433.GX4927@atomide.com> (raw)
In-Reply-To: <20081014121031.1210.96214.stgit@localhost.localdomain>
* Paul Walmsley <paul@pwsan.com> [081014 10:47]:
> Hello,
>
> This patch set programs the I2C controller OCP_SYSCONFIG register
> after the driver resets the device. It is derived from the changes
> mentioned by Richard Woodruff <r-woodruff2@ti.com> at
>
> http://git.omapzoom.org/?p=omapkernel;a=blob;f=drivers/i2c/busses/i2c-omap.c;hb=d0b4bad4926f9a147a73498f7a62a0ae1cf6f83a
>
> however, the CLOCKACTIVITY change on clk_enable()/clk_disable() in that
> code currently seems pointless, so it has been excluded until more
> information is available from TI or until problems are encountered.
>
> This patchset should only change behavior on OMAP2x30 and OMAP3xxx devices.
>
> Boot-tested on 2430SDP and 3430SDP; compile-tested with the 5912OSK (OMAP1)
> defconfig. Comments welcome,
Pushing both to l-o today, also adding to upstream i2c-omap queue.
Tony
>
>
> - Paul
>
> ---
>
> text data bss dec hex filename
> 3472584 160600 105760 3738944 390d40 vmlinux.3430sdp.orig
> 3472616 160600 105760 3738976 390d60 vmlinux.3430sdp
>
> drivers/i2c/busses/i2c-omap.c | 65 ++++++++++++++++++++++++++++++++---------
> 1 files changed, 50 insertions(+), 15 deletions(-)
>
> --
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prev parent reply other threads:[~2008-11-21 21:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-14 12:19 [PATCH 0/2] OMAP: I2C: reprogram OCP_SYSCONFIG after device reset Paul Walmsley
2008-10-14 12:19 ` [PATCH 1/2] OMAP: I2C: convert 'rev1' flag to generic 'rev' u8 Paul Walmsley
2008-10-14 12:19 ` [PATCH 2/2] OMAP2/3 I2C: reprogram OCP_SYSCONFIG register after reset Paul Walmsley
2008-10-19 13:12 ` Woodruff, Richard
2008-10-19 13:06 ` [PATCH 0/2] OMAP: I2C: reprogram OCP_SYSCONFIG after device reset Woodruff, Richard
2008-11-21 21:34 ` Tony Lindgren [this message]
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