[PATCH v1 0/6] Fix timeout clock used by hardware data timeout

From: Sowjanya Komatineni
Date: Mon Aug 03 2020 - 15:44:40 EST


Tegra210/Tegra186/Tegra194 has incorrectly enabled
SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK from the beginning of their support.

Tegra210 and later SDMMC hardware default uses sdmmc_legacy_tm (TMCLK)
all the time for hardware data timeout instead of SDCLK and this TMCLK
need to be kept enabled by Tegra sdmmc driver.

This series includes patches to fix this for Tegra210/Tegra186/Tegra194.

These patches need to be manually backported for 4.9, 4.14, 4.19, 5.4

Will send patches to backport separately once these patches are ack'd.

Sowjanya Komatineni (6):
sdhci: tegra: Remove SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK for Tegra210
sdhci: tegra: Remove SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK for Tegra186
arm64: tegra: Add missing timeout clock to Tegra210 SDMMC
arm64: tegra: Add missing timeout clock to Tegra186 SDMMC nodes
arm64: tegra: Add missing timeout clock to Tegra194 SDMMC nodes
sdhci: tegra: Add missing TMCLK for data timeout

arch/arm64/boot/dts/nvidia/tegra186.dtsi | 20 +++++++++------
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 15 ++++++-----
arch/arm64/boot/dts/nvidia/tegra210.dtsi | 20 +++++++++------
drivers/mmc/host/sdhci-tegra.c | 43 ++++++++++++++++++++++++++++++--
4 files changed, 74 insertions(+), 24 deletions(-)

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2.7.4