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    Subject[PATCH v4 00/11] i.MX6, DesignWare PCI improvements
    Date
    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.

    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@gmail.com
    [v2] lkml.kernel.org/r/20190104174925.17153-1-andrew.smirnov@gmail.com
    [v1] lkml.kernel.org/r/20181221072716.29017-1-andrew.smirnov@gmail.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

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