Hi Ulf, On Wed, Apr 18, 2018 at 11:56:56AM +0200, Simon Horman wrote: > Hi, > > this patch-set provides SDHI driver support for eMMC HS400. > > Based on mmc-v4.17-2 > > Dependencies for applying these patches: > * none > > Dependencies to test eMMC HS400: > * [PATCH] clk: renesas: rcar-gen3: Fix SD divider setting > * [PATCH v2] arm64: dts: salvator-common: Enable HS400 of SDHI2 > > To assist testing and review this patch and the above mentioned > dependencies, which are necessary and sufficient to enable HS400 on H3 / > Salvator-X, M3-W 1.0 / Salvator-X and H3 ES2.0 Salvator-XS are available > at: > > https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git topic/hs400-v4 > > Changes since v3: > * As a follow-up to discussion with Ulf and Wolfram I have proposed > two new HS400 tuning host operations. These are provided, and explained, > in "mmc: core: more fine-grained hooks for HS400 tuning". > > The following driver patches have been updated to use these new operations. > > And "mmc: tmio: add eMMC HS400 mode support" proposes a minor cleanup > to make it a little cleaner to add the proposed new host operations to > the MMC core. I am wondering if you could give me some feedback on the approach that I have taken here. > > Changes since v2: > * Consolidate disable_scc and reset_hs400_mode into reset_hs400_tuning > callback > * Reuse renesas_sdhi_reset_hs400_mode() in renesas_sdhi_hw_reset() > * Factor out renesas_sdhi_reset_scc() > > > Masaharu Hayakawa (2): > mmc: tmio: add eMMC HS400 mode support > mmc: renesas_sdhi: add eMMC HS400 mode support > > Simon Horman (2): > mmc: core: select HS400 from HS200 tuning function > mmc: core: more fine-grained hooks for HS400 tuning > > drivers/mmc/core/host.c | 13 +++- > drivers/mmc/core/mmc.c | 28 +++++--- > drivers/mmc/host/renesas_sdhi_core.c | 136 +++++++++++++++++++++++++++++------ > drivers/mmc/host/tmio_mmc.h | 9 +++ > drivers/mmc/host/tmio_mmc_core.c | 49 ++++++++++++- > include/linux/mmc/host.h | 26 ++++++- > 6 files changed, 226 insertions(+), 35 deletions(-) > > -- > 2.11.0 >
