linux-kernel - Re: [PATCH v4 00/11] i.MX6, DesignWare PCI improvements

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Message-ID: <20190501103956.GA3100@e121166-lin.cambridge.arm.com>
Date:   Wed, 1 May 2019 11:39:56 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Andrey Smirnov <andrew.smirnov@...il.com>
Cc:     linux-pci@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
        Fabio Estevam <fabio.estevam@....com>,
        Chris Healy <cphealy@...il.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Leonard Crestez <leonard.crestez@....com>,
        "A.s. Dong" <aisheng.dong@....com>,
        Richard Zhu <hongxing.zhu@....com>, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 00/11] i.MX6, DesignWare PCI improvements

On Sun, Apr 14, 2019 at 05:46:21PM -0700, Andrey Smirnov wrote:
> Everyone:
> 
> This is the series containing various small improvements that I made
> while reading the code and researching commit history of pci-imx6.c
> and pcie-designware*.c files. All changes are optional, so commits
> that don't seem like an improvement can be easily dropped. Hopefully
> each patch is self-explanatory.
> 
> I tested this series on i.MX6Q, i.MX7D and i.MX8MQ.

Applied with Lucas' tags to pci/imx, hopefully we can squeeze this
in for the v5.2 merge window.

Lorenzo

> Feedback is welcome!
> 
> Thanks,
> Andrey Smirnov
> 
> Chagnes since [v3]:
> 
>     - Collected Reviewed-by from Lucas for most of the patches
> 
>     - Converted "PCI: imx6: Replace calls to udelay() with
>       usleep_range()" to "PCI: imx6: Use usleep_range() in
>       imx6_pcie_enable_ref_clk()"
>       
>     - Converted "PCI: imx6: Remove redundant debug tracing" to "PCI:
>       imx6: Drop imx6_pcie_wait_for_link()"
>       
>     - Converted all of the callers of pcie_phy_poll_ack() to use
>       true/false in "PCI: imx6: Simplify pcie_phy_poll_ack()"
> 
> Changes since [v2]:
> 
>     - All non i.MX6 patches dropped, since they were accepted as a
>       seprarte series
>       
>     - Series rebased on latest 'dwc-pci' branch of PCI tree
>     
>     - Patches "PCI: imx6: Use flags to indicate support for suspend"
>       and "PCI: imx6: Replace calls to udelay() with usleep_range()"
>       added to the series
> 
> Changes since [v1]:
> 
>   - Dropped "PCI: imx6: Drop imx6_pcie_link_up()" due to the matter
>     already having been addressed by "PCI: imx6: Fix link training
>     status detection in link up check" from Trent Piepho
> 
>   - Changed "designware" -> "dwc" for all subject lines
> 
>   - Collected Acked-by's from Gustavo Pimentel
> 
> [v3] lkml.kernel.org/r/20190401042547.14067-1-andrew.smirnov@...il.com
> [v2] lkml.kernel.org/r/20190104174925.17153-1-andrew.smirnov@...il.com
> [v1] lkml.kernel.org/r/20181221072716.29017-1-andrew.smirnov@...il.com
> 
> Andrey Smirnov (11):
>   PCI: imx6: Simplify imx7d_pcie_wait_for_phy_pll_lock()
>   PCI: imx6: Drop imx6_pcie_wait_for_link()
>   PCI: imx6: Return -ETIMEOUT from imx6_pcie_wait_for_speed_change()
>   PCI: imx6: Remove PCIE_PL_PFLR_* constants
>   PCI: dwc: imx6: Share PHY debug register definitions
>   PCI: imx6: Make use of BIT() in constant definitions
>   PCI: imx6: Simplify bit operations in PHY functions
>   PCI: imx6: Simplify pcie_phy_poll_ack()
>   PCI: imx6: Restrict PHY register data to 16-bit
>   PCI: imx6: Use flags to indicate support for suspend
>   PCI: imx6: Use usleep_range() in imx6_pcie_enable_ref_clk()
> 
>  drivers/pci/controller/dwc/pci-imx6.c        | 143 ++++++++-----------
>  drivers/pci/controller/dwc/pcie-designware.c |  12 +-
>  drivers/pci/controller/dwc/pcie-designware.h |   3 +
>  3 files changed, 62 insertions(+), 96 deletions(-)
> 
> -- 
> 2.20.1
>