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SubjectRe: [PATCH 3/5] usb: phy: samsung: remove old USB 2.0 PHY driver
Date

Hi,

On Thursday, August 14, 2014 08:07:40 PM Vivek Gautam wrote:
> Hi Bartlomiej Zolnierkiewicz,
>
>
> On Thursday, August 14, 2014 7:55 PM, Bartlomiej Zolnierkiewicz
> <b.zolnierkie@samsung.com> wrote
>
> Subject: [PATCH 3/5] usb: phy: samsung: remove old USB 2.0 PHY driver
>
> I would say it co-incidence that both of us sent the patch-series for
> similar cleanup at the same time. ;)

:)

> There's one thing that I would want to comment here, since we don't have any
> new usb-phy driver for S3C64XX,
> so we can't simply remove this entire driver.
> I have posted my patch-series [1], which does cleanup while keeping the
> support for S3C64XX.

AFAIK S3C64XX code from drivers/usb/phy/phy-samsung-usb2.c has
never been used as this platform still uses its own code from
arch/arm/mach-s3c64xx/setup-usb-phy.c (there are no users in
the kernel tree of either s3c64xx-usb2phy platform device or
"samsung,s3c64xx-usb2phy" DT compatible) . Therefore I think
that the entire drivers/usb/phy/phy-samsung-usb2.c driver
should be removed (somebody with the hardware can as well add
S3C64XX support to the new drivers/phy/phy-samsung-usb2.c
driver and port the platform to use it).

> Please let me know what you think of that series.
>
> [1] [PATCH 0/7] usb-phy: samsung: Cleanup the unused drivers
> https://lkml.org/lkml/2014/8/14/235

Looks fine to me except the above mentioned issue with S3C64XX
platform support.

> > drivers/usb/phy/phy-samsung-usb2 driver got replaced by
> > drivers/phy/phy-samsung-usb2 one and is no longer used.
> >
> > Cc: Kamil Debski <k.debski@samsung.com>
> > Cc: Vivek Gautam <gautam.vivek@samsung.com>
> > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> > Acked-by: Kyungmin Park <kyungmin.park@samsung.com>

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics



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