| Message ID | 20170821160301.21899-1-jbrunet@baylibre.com |
|---|---|
| Headers | show |
| Series | mmc: meson-gx: driver fixups and upgrades | expand |
On 21 August 2017 at 18:02, Jerome Brunet <jbrunet@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 [0]: > * Reorder patches to have fixes first, then rework and finally > enhancements. > * Use CCF to manage clock phases > > [0]: https://lkml.kernel.org/r/20170804174353.16486-1-jbrunet@baylibre.com > > 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. Kind regards Uffe