[PATCH v2 00/16] mmc: meson-gx: driver fixups and upgrades
ulf.hansson at linaro.org
Wed Aug 23 06:10:25 PDT 2017
On 22 August 2017 at 13:46, Jerome Brunet <jbrunet at baylibre.com> wrote:
> On Tue, 2017-08-22 at 13:15 +0200, Ulf Hansson wrote:
>> On 21 August 2017 at 18:02, Jerome Brunet <jbrunet at baylibre.com> wrote:
>> > The patchset features several bugfixes, rework and upgrade for the
>> > meson-gx MMC driver.
>> > The main goal is to improve readability and enable new high speed
>> > modes, such as eMMC DDR52 and sdcard UHS modes up to SDR50 (100Mhz)
>> > SDR104 is not working with a few cards on the p200 and the
>> > libretech-cc. I suspect that 200Mhz might be a bit too fast for the PCB
>> > of these boards, adding noise to the signal and eventually breaking
>> > the communication with some cards. The same cards are working well on a
>> > laptop or the nanopi-k2 at 200Mhz.
>> > This series has been tested on gxbb-p200, gxbb-nanopi-k2 and
>> > gxl-s905x-libretech-cc
>> > Changes since v1 :
>> > * Reorder patches to have fixes first, then rework and finally
>> > enhancements.
>> > * Use CCF to manage clock phases
>> > : https://firstname.lastname@example.org
>> > Jerome Brunet (16):
>> > mmc: meson-gx: fix mux mask definition
>> > mmc: meson-gx: remove CLK_DIVIDER_ALLOW_ZERO clock flag
>> > mmc: meson-gx: clean up some constants
>> > mmc: meson-gx: use _irqsave variant of spinlock
>> > mmc: meson-gx: cfg init overwrite values
>> > mmc: meson-gx: rework set_ios function
>> > mmc: meson-gx: rework clk_set function
>> > mmc: meson-gx: rework clock init function
>> > mmc: meson-gx: fix dual data rate mode frequencies
>> > mmc: meson-gx: work around clk-stop issue
>> > mmc: meson-gx: simplify interrupt handler
>> > mmc: meson-gx: implement card_busy callback
>> > mmc: meson-gx: use CCF to handle the clock phases
>> > mmc: meson-gx: implement voltage switch callback
>> > mmc: meson-gx: change default tx phase
>> > mmc: meson-gx: rework tuning function
>> > drivers/mmc/host/meson-gx-mmc.c | 718 +++++++++++++++++++++++++++--------
>> > -----
>> > 1 file changed, 497 insertions(+), 221 deletions(-)
>> > --
>> > 2.9.5
>> So far, I decided to pick patch 1 -> 3.
> Thx Ulf.
> Do you want me to respin w/o patch 1 -> 4 or shall I wait for further review on
> the other changes ?
I think you can wait a bit, hopefully some of the earlier authors and
Kevin can give some input as well.
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