lkml.org 
[lkml]   [2021]   [Jan]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Subject[PATCH v3 0/6] Clock and reset improvements for Tegra ALSA drivers
    Date
    This series improves the handling of clock and reset controls of
    NVIDA Tegra ALSA drivers. Tegra HDA and AHUB drivers aren't handling
    resets properly, which needs to be fixed in order to unblock other patches
    related to fixes of the reset controller driver since HDA/AHUB are bound
    to fail once reset controller driver will be corrected. In particular ALSA
    drivers are relying on implicit de-assertion of resets which is done by the
    tegra-clk driver. It's not the business of the clk driver to touch resets
    and we need to fix this because it breaks reset/clk programming sequences
    of other Tegra drivers.

    Changelog:

    v3: - Reworked "hda/tegra: Reset hardware" and "ahub: Reset hardware properly"
    patches, they now use usleep + reset_deassert() instead of reset_reset().
    Suggested by Thierry Reding.

    - Added new patch "hda/tegra: Remove unnecessary null-check from
    hda_tegra_runtime_resume()". Suggested by Thierry Reding.

    - Replaced "ahub: Reset hardware properly" patch with "ahub: Add missing
    resets". Suggested by Thierry Reding.

    - Slightly improved commit messages.

    - Added acks from Thierry Reding.

    v2: - Added regcache_sync() to the "ahub: Reset hardware properly" patch,
    which was missed by accident in v1.

    - Corrected typo in the format of the error message in "ahub: Use
    of_reset_control_array_get_exclusive()" patch by s/%p/%pe/.

    Dmitry Osipenko (6):
    ALSA: hda/tegra: Use clk_bulk helpers
    ALSA: hda/tegra: Reset hardware
    ALSA: hda/tegra: Remove unnecessary null-check from
    hda_tegra_runtime_resume()
    ASoC: tegra: ahub: Add missing resets
    ASoC: tegra: ahub: Use clk_bulk helpers
    ASoC: tegra: ahub: Reset hardware properly

    sound/pci/hda/hda_tegra.c | 90 ++++++++++++----------------------
    sound/soc/tegra/tegra30_ahub.c | 64 ++++++++++++++----------
    sound/soc/tegra/tegra30_ahub.h | 5 +-
    3 files changed, 72 insertions(+), 87 deletions(-)

    --
    2.29.2

    \
     
     \ /
      Last update: 2021-01-20 01:33    [W:2.544 / U:0.028 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site