From mboxrd@z Thu Jan 1 00:00:00 1970 From: jbrunet@baylibre.com (Jerome Brunet) Date: Tue, 22 Aug 2017 13:46:30 +0200 Subject: [PATCH v2 00/16] mmc: meson-gx: driver fixups and upgrades In-Reply-To: References: <20170821160301.21899-1-jbrunet@baylibre.com> Message-ID: <1503402390.7032.11.camel@baylibre.com> To: linus-amlogic@lists.infradead.org List-Id: linus-amlogic.lists.infradead.org On Tue, 2017-08-22 at 13:15 +0200, Ulf Hansson wrote: > On 21 August 2017 at 18:02, Jerome Brunet 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 at 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. Thx Ulf. Do you want me to respin w/o patch 1 -> 4 or shall I wait for further review on the other changes ? > > Kind regards > Uffe