linux-kernel - Re: [PATCH v5 0/6] PCI: imx6: refine codes and add compliance tests mode support

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Message-ID: <YdVv2K+ezwv2iG80@kroah.com>
Date:   Wed, 5 Jan 2022 11:15:52 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Richard Zhu <hongxing.zhu@....com>
Cc:     l.stach@...gutronix.de, bhelgaas@...gle.com, broonie@...nel.org,
        lorenzo.pieralisi@....com, jingoohan1@...il.com,
        festevam@...il.com, stable@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de
Subject: Re: [PATCH v5 0/6] PCI: imx6: refine codes and add compliance tests
 mode support

On Wed, Jan 05, 2022 at 03:43:16PM +0800, Richard Zhu wrote:
> This series patches refine pci-imx6 driver and do the following changes.
> - Encapsulate the clock enable into one standalone function
> - Add the error propagation from host_init
> - Balance the usage of the regulator and clocks when link never came up
> - Add the compliance tests mode support
> 
> Main changes from v4 to v5:
> - Since i.MX8MM PCIe support had been merged. Based on Lorenzo's git repos,
>   rebase and resend the patch-set.
> 
> Main changes from v3 to v4:
> - Regarding Mark's comments, delete the regulator_is_enabled() check.
> - Squash #3 and #6 of v3 patch into #5 patch of v4 set.
> 
> Main changes from v2 to v3:
> - Add "Reviewed-by: Lucas Stach <l.stach@...gutronix.de>" tag into
>   first two patches.
> - Add a Fixes tag into #3 patch.
> - Split the #4 of v2 to two patches, one is clock disable codes move,
>   the other one is the acutal clock unbalance fix.
> - Add a new host_exit() callback into dw_pcie_host_ops, then it could be
>   invoked to handle the unbalance issue in the error handling after
>   host_init() function when link is down.
> - Add a new host_exit() callback for i.MX PCIe driver to handle this case
>   in the error handling after host_init.
> 
> Main changes from v1 to v2:
> Regarding Lucas' comments.
>   - Move the placement of the new imx6_pcie_clk_enable() to avoid the
>     forward declarition.
>   - Seperate the second patch of v1 patch-set to three patches.
>   - Use the module_param to replace the kernel command line.
> Regarding Bjorn's comments:
>   - Use the cover-letter for a multi-patch series.
>   - Correct the subject line, and refine the commit logs. For example,
>     remove the timestamp of the logs.
> 
> drivers/pci/controller/dwc/pci-imx6.c             | 197 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------------------
> drivers/pci/controller/dwc/pcie-designware-host.c |   5 ++-
> drivers/pci/controller/dwc/pcie-designware.h      |   1 +
> 3 files changed, 128 insertions(+), 75 deletions(-)
> 
> [PATCH v5 1/6] PCI: imx6: Encapsulate the clock enable into one
> [PATCH v5 2/6] PCI: imx6: Add the error propagation from host_init
> [PATCH v5 3/6] PCI: imx6: PCI: imx6: Move imx6_pcie_clk_disable()
> [PATCH v5 4/6] PCI: dwc: Add dw_pcie_host_ops.host_exit() callback
> [PATCH v5 5/6] PCI: imx6: Fix the regulator dump when link never came
> [PATCH v5 6/6] PCI: imx6: Add the compliance tests mode support

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>