[PATCH v2 0/3] ARM: OMAP2+: USB Host bug fixes for 3.13 rc

Tomi Valkeinen tomi.valkeinen at ti.com
Wed Dec 4 05:00:34 EST 2013

On 2013-12-03 16:25, Roger Quadros wrote:
> Hi,
> This is a follow up solution to the original series in [1]
> The first patch fixes the OMAP4 Panda USB detection problems on 3.13-rc1
> with u-boot v2013.10.
> The remaining 2 patches are required if SOFTRESET needs to be done for the
> USB Host module on OMAP3 platforms.
> Patch 2 fixes the hwmod RESET logic to prevent multiple SOFTRESETs
> being issued to the modules. This multiple SOFTRESET was causing problems
> with OMAP3 USB Host module. On Beagleboard C4 this is seen as failure to
> mount NFS root over external USB to Ethernet device.
> This might be the reason why HWMOD_INIT_NO_RESET was used for the OMAP
> USB host module in OMAP3 hwmod data and just carried forward in OMAP4
> and OMAP5 hwmod data as well.
> cheers,
> -roger

Tested on Panda and Beagle xM. Works fine for me.


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