[PATCH 3/3] ARM: OMAP2+: Let DT say what devices should not to idled or reset

Rajendra Nayak rnayak at ti.com
Wed Oct 9 03:37:08 EDT 2013

On Wednesday 09 October 2013 12:54 PM, Paul Walmsley wrote:
> Hi Benoît, Rajendra,
> On Tue, 20 Aug 2013, Rajendra Nayak wrote:
>> Now that we have DT bindings to specify which devices on the SoC should not
>> be reset or idled, get rid of the same information existing as part of the
>> hwmod data files and pass this info from DT instead.
>> For GPMC, the HWMOD_INIT_NO_RESET flag seems to be added in hwmod not due to
>> any errata around the GPMC IP, but rather because any timings
>> set by the bootloader are not being correctly programmed by the kernel.
>> This seems like something that needs to be fixed as part of GPMC driver
>> in the kernel, and hence the flag is left as is in hwmod, which can be
>> removed once the driver does what its expected to.
>> Signed-off-by: Rajendra Nayak <rnayak at ti.com>
>> ---
>>  arch/arm/boot/dts/am33xx.dtsi              |    2 ++
>>  arch/arm/boot/dts/omap4.dtsi               |    3 +++
>>  arch/arm/boot/dts/omap5.dtsi               |    2 ++
>>  arch/arm/mach-omap2/omap_hwmod_33xx_data.c |    4 ++--
>>  arch/arm/mach-omap2/omap_hwmod_44xx_data.c |    4 +---
>>  arch/arm/mach-omap2/omap_hwmod_54xx_data.c |    2 --
>>  6 files changed, 10 insertions(+), 7 deletions(-)
> Looking at this one, maybe the best thing for this patch is for Rajendra 
> to split it into two patches.  Benoît can merge the DTS patch first, then 
> I can merge the hwmod side as a cleanup once the first one goes in.  That 
> will avoid conflicts from other DTS and hwmod changes going into the tree.
> Rajendra, when you do the split, please add in the DT documentation part 
> from patch 2.  Am going to strip that out from the second patch and just 
> merge the hwmod changes.
> Sound good?

Sure Paul, I'll repost the complete series with proper splits such that its
easier for you and Benoit to pick them up independently.

> - Paul

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