On 18 June 2018 at 14:57, Simon Horman <horms+renesas@xxxxxxxxxxxx> wrote:
> Hi,
>
> this patch-set provides SDHI driver support for eMMC HS400.
>
> Based on mmc-v4.18-rc1
>
> 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
> R-Car {H3,M3-W,M3-N} / Salvator-{X,XS}.
>
> https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git topic/hs400-v5
>
> Changes since v4:
> * Refactor host tuning operations as suggested by Ulf
> * Differeniate between 4 tap and 8 tap support for HS400
> * Support HS400 with R-Car M3-N (r8a77965)
>
> 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.
>
> 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 (1):
> mmc: core: more fine-grained hooks for HS400 tuning
>
> drivers/mmc/core/mmc.c | 10 ++
> drivers/mmc/host/renesas_sdhi_core.c | 127 +++++++++++++++++++++-----
> drivers/mmc/host/renesas_sdhi_internal_dmac.c | 20 +++-
> drivers/mmc/host/renesas_sdhi_sys_dmac.c | 17 +++-
> drivers/mmc/host/tmio_mmc.h | 6 ++
> drivers/mmc/host/tmio_mmc_core.c | 47 +++++++++-
> include/linux/mfd/tmio.h | 3 +
> include/linux/mmc/host.h | 7 ++
> 8 files changed, 209 insertions(+), 28 deletions(-)
>
> --
> 2.11.0
>
Thanks, applied for next!
Kind regards
Uffe
