linux-kernel - RE: [PATCH v3 0/9] tty: serial: fsl_lpuart various fixes and LS1028A support

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Date:   Tue, 3 Mar 2020 22:49:47 +0000
From:   Leo Li <leoyang.li@....com>
To:     Michael Walle <michael@...le.cc>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shawn Guo <shawnguo@...nel.org>, Jiri Slaby <jslaby@...e.com>,
        Peng Fan <peng.fan@....com>,
        Vabhav Sharma <vabhav.sharma@....com>,
        Yuan Yao <yao.yuan@....com>
Subject: RE: [PATCH v3 0/9] tty: serial: fsl_lpuart various fixes and LS1028A
 support



> -----Original Message-----
> From: Michael Walle <michael@...le.cc>
> Sent: Tuesday, March 3, 2020 11:43 AM
> To: linux-serial@...r.kernel.org; devicetree@...r.kernel.org; linux-
> kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>; Rob Herring
> <robh+dt@...nel.org>; Mark Rutland <mark.rutland@....com>; Shawn
> Guo <shawnguo@...nel.org>; Leo Li <leoyang.li@....com>; Jiri Slaby
> <jslaby@...e.com>; Peng Fan <peng.fan@....com>; Vabhav Sharma
> <vabhav.sharma@....com>; Yuan Yao <yao.yuan@....com>; Michael Walle
> <michael@...le.cc>
> Subject: [PATCH v3 0/9] tty: serial: fsl_lpuart various fixes and LS1028A
> support
> 
> These are various fixes for problems I found during development of the
> LS1028A support for the LPUART.
> 
> Also, I'm not sure if this series should be split between the "tty:
> serial: fsl_lpuart" patches and the devicetree patches. So unless someone
> tell me otherwise I keep them together to avoid mention any dependencies.

Normally the soc maintainer prefer to have device tree patches merged through the soc subsystem.  So probably better to separate.

> 
> Changes since v2:
> Changed DMA channel request handling. Spotted by Rob Herring. Thanks.
> 
> Modified patches:
>   tty: serial: fsl_lpuart: handle EPROBE_DEFER for DMA
> 
> Changes since v1:
> DMA support fixes.
> 
> New patches:
>   tty: serial: fsl_lpuart: fix DMA mapping
>   arm64: dts: ls1028a: add "fsl,vf610-edma" compatible
> 
> Modified patches:
>   arm64: dts: ls1028a: add missing LPUART nodes
>    - add dma phandles
> 
> Michael Walle (9):
>   Revert "tty: serial: fsl_lpuart: drop EARLYCON_DECLARE"
>   tty: serial: fsl_lpuart: free IDs allocated by IDA
>   tty: serial: fsl_lpuart: handle EPROBE_DEFER for DMA
>   tty: serial: fsl_lpuart: fix DMA mapping
>   dt-bindings: serial: lpuart: add ls1028a compatibility
>   tty: serial: fsl_lpuart: add LS1028A support
>   tty: serial: fsl_lpuart: add LS1028A earlycon support
>   arm64: dts: ls1028a: add "fsl,vf610-edma" compatible
>   arm64: dts: ls1028a: add missing LPUART nodes
> 
>  .../devicetree/bindings/serial/fsl-lpuart.txt |  10 +-
>   .../arm64/boot/dts/freescale/fsl-ls1028a.dtsi |  75 +++++-
>  drivers/tty/serial/fsl_lpuart.c               | 251 ++++++++++++------
>  3 files changed, 255 insertions(+), 81 deletions(-)
> 
> --
> 2.20.1