Hi Nobuhiro,

> -----Original Message-----
> From: nobuhiro1.iwamatsu@toshiba.co.jp <nobuhiro1.iwamatsu@toshiba.co.jp>
> Sent: 25 November 2020 06:48
> To: pavel@denx.de; Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>
> Cc: cip-dev@lists.cip-project.org; Biju Das <biju.das.jz@bp.renesas.com>
> Subject: RE: [PATCH v2 4.19.y-cip 0/7] Add RPC-IF driver for RZ/G2x SoC's
> 
> Hi,
> 
> > -----Original Message-----
> > From: Pavel Machek [mailto:pavel@denx.de]
> > Sent: Wednesday, November 25, 2020 4:49 AM
> > To: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> > Cc: cip-dev@lists.cip-project.org; iwamatsu nobuhiro(岩松 信洋 □ＳＷＣ◯ＡＣＴ)
> > <nobuhiro1.iwamatsu@toshiba.co.jp>; Pavel Machek <pavel@denx.de>; Biju Das
> <biju.das.jz@bp.renesas.com>
> > Subject: Re: [PATCH v2 4.19.y-cip 0/7] Add RPC-IF driver for RZ/G2x SoC's
> >
> > Hi!
> >
> > > This patch series adds SPI driver for the Renesas RPC-IF.
> > > Alongside relevant changes for spi-mem have been also
> > > backported. This enables accessing SPI flash chip connected
> > > to RPC-IF on RZ/G2x boards.
> > >
> > > We currently only aim to backport just the driver hence there
> > > are no changes to dts/i files. The driver has been tested on
> > > RZ/G2{EM} with all the required dts/i changes [1].
> >
> > Okay, that was quick.
> >
> > What is your plan, merge dts changes soon? Or is the driver useful
> > even without the dts changes?
> >
> > > Changes for v2:
> > > * Patches {1, 3, 4}/7 unchanged
> > > * Patch 2/7
> > >    * Fixed reference leak for OF node in rpcif_probe()
> > >    * Fixed overwriting return value in error path of rpcif_manual_xfer()
> > >    * Replaced C++ style comment with C style
> > >    * Replaced tab with a space between struct and struct name
> > >    * Fixed a typo in commit message (s/absract/abstract)
> > > * Patch 5/7
> > >    * Fixed reference leak in spi_mem_access_start for PM
> > > * Patch 6/7
> > >    * Return early in spi_mem_dirmap_dirmap_{read/write}
> > > * Patch 7/7
> > >    * Replaced C++ style comment with C style
> > >    * Used __maybe_unused for rpcif_spi_{suspend,resume} and dropped
> > >      CONFIG_PM_SLEEP ifdef checks
> > >    * Elaborated the description for SPI_RPCIF config
> > >    * Dropped the label err_put_ctlr from rpc_spi_probe()
> >
> 
> I don't see any problems with this series.
> 
Thank you for the review.

> > Thanks for the changes; they are probably good (I have yet to take
> > close look), but I wonder if we should wait until they hit next or
> > mainline? If upstream maintainer disagrees, we would get divergence...
> 
> These patch series contain fixes for issues in the patch itself, so we need to
> separate them and post them mainline or subsystem tree.
> So I think we have to wait for those patches to be merged.
> 
Agreed will repost the series once the fixes hit linux-next.

Cheers,
Prabhakar

> Best regards,
>   Nobuhiro