linux-kernel - Re: [PATCH v6 0/5] Add support for SW babble Control

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Message-ID: <CADYTM3aX-X4QbecitTD9EOFyoLeiqSnJum7AFnaF5UEV3FBmpQ@mail.gmail.com>
Date:	Tue, 3 Jun 2014 14:00:29 -0500
From:	Bin Liu <binmlist@...il.com>
To:	George Cherian <george.cherian@...com>
Cc:	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-omap@...r.kernel.org, gregkh@...uxfoundation.org,
	balbi@...com, zonque@...il.com, b-liu@...com
Subject: Re: [PATCH v6 0/5] Add support for SW babble Control

George,

On Mon, May 26, 2014 at 4:20 AM, George Cherian <george.cherian@...com> wrote:
> Series add support for SW babble control logic found in
> new silicon versions of AM335x. Runtime differentiation of
> silicon version is done by checking the BABBLE_CTL register.
> For newer silicon the register default value read is 0x4 and
> for older versions its 0x0.

Please add 'Tested-by: Bin Liu <b-liu@...com>' to this series.

Thanks,
-Bin.

>
> Patch 1 -> Handle Babble only if MUSB is in HOST mode
> Patch 2 -> Convert recover work to delayed work.
> Patch 3 -> usb_phy_vbus_(off/_on) are NOPs for am335x PHY
>            so use usb_phy(_shutdown/_init) in musb_platform_reset()
> Patch 4 -> Add return value for musb_platform_reset() in prepration
>            to support SW babble_ctrl
> Patch 5 -> Add and Enable sw babble control for newer silicon
>
> v5 -> v6 : Squash patch 5 and 6 form v5 to avoid build warnings.
>
> v4 -> v5 : Added a debug print before resetting MUSB.
>            changed a musb_readb to dsps_readb introduced in Patch#5 of v4.
>
> v3 -> v4 : Fixes an issue in gagdet mode - BUS RESET should not
>            be handled as a BABBLE. Added a check for the same.(Patch #1)
>            Enable sw babble control properly (Patch #6)
>
> v2 -> v3 : Modify musb_platform_reset() to return zero on success.
>
>
>
> George Cherian (5):
>   usb: musb: core: Handle Babble condition only in HOST mode
>   usb: musb: core: Convert babble recover work to delayed work
>   usb: musb: dsps: Call usb_phy(_shutdown/_init) during
>     musb_platform_reset()
>   usb: musb: core: Convert the musb_platform_reset to have a return
>     value.
>   usb: musb: dsps: Add the sw_babble_control() and Enable for newer
>     silicon
>
>  drivers/usb/musb/musb_core.c | 27 ++++++++------
>  drivers/usb/musb/musb_core.h | 12 +++---
>  drivers/usb/musb/musb_dsps.c | 88 ++++++++++++++++++++++++++++++++++++++++++--
>  drivers/usb/musb/musb_regs.h |  7 ++++
>  4 files changed, 114 insertions(+), 20 deletions(-)
>
> --
> 1.8.3.1
>
> --
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