linux-kernel - Re: [PATCH v3 0/7] soc/fsl/qbman: Enable Kexec for DPAA1 devices

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Date:   Thu, 15 Aug 2019 18:31:46 -0500
From:   Li Yang <leoyang.li@....com>
To:     Roy Pledge <roy.pledge@....com>
Cc:     "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Madalin-cristian Bucur <madalin.bucur@....com>
Subject: Re: [PATCH v3 0/7] soc/fsl/qbman: Enable Kexec for DPAA1 devices

On Thu, Aug 1, 2019 at 3:20 PM Roy Pledge <roy.pledge@....com> wrote:
>
> Most DPAA1 devices do not support a soft reset which is an issue if
> Kexec starts a new kernel. This patch series allows Kexec to function
> by detecting that the QBMan device was previously initialized.
>
> The patches fix some issues with device cleanup as well as ensuring
> that the location of the QBMan private memories has not changed
> after the execution of the Kexec.
>
> Changes since v1:
>         - Removed a bug fix and sent it separately to ease backporting
> Changes since v2:
>         - Expliciitly flush FQD memory from cache on PPC before unmapping
>
> Roy Pledge (7):
>   soc/fsl/qbman: Rework QBMan private memory setup
>   soc/fsl/qbman: Cleanup buffer pools if BMan was initialized prior to
>     bootup
>   soc/fsl/qbman: Cleanup QMan queues if device was already initialized
>   soc/fsl/qbman: Fix drain_mr_fqni()
>   soc/fsl/qbman: Disable interrupts during portal recovery
>   soc/fsl/qbman: Fixup qman_shutdown_fq()
>   soc/fsl/qbman: Update device tree with reserved memory

Series applied for next.  Thanks!

>
>  drivers/soc/fsl/qbman/bman.c        | 17 ++++----
>  drivers/soc/fsl/qbman/bman_ccsr.c   | 36 +++++++++++++++-
>  drivers/soc/fsl/qbman/bman_portal.c | 18 +++++++-
>  drivers/soc/fsl/qbman/bman_priv.h   |  5 +++
>  drivers/soc/fsl/qbman/dpaa_sys.c    | 63 ++++++++++++++++------------
>  drivers/soc/fsl/qbman/qman.c        | 83 +++++++++++++++++++++++++++++--------
>  drivers/soc/fsl/qbman/qman_ccsr.c   | 68 +++++++++++++++++++++++++++---
>  drivers/soc/fsl/qbman/qman_portal.c | 18 +++++++-
>  drivers/soc/fsl/qbman/qman_priv.h   |  8 ++++
>  9 files changed, 255 insertions(+), 61 deletions(-)
>
> --
> 2.7.4
>