]> git.ipfire.org Git - thirdparty/linux.git/commit
mmc: dw_mmc: add a quirk for accessing 64-bit FIFOs in two halves
authorKaustabh Chakraborty <kauschluss@disroot.org>
Tue, 18 Feb 2025 18:47:48 +0000 (00:17 +0530)
committerUlf Hansson <ulf.hansson@linaro.org>
Tue, 11 Mar 2025 17:41:53 +0000 (18:41 +0100)
commit57c0902f8bec51add5a1eb908d8b876592725d81
treee7555032d88b4401e14d5c3d3900af7786a28277
parent63dde9c39374edab42d23439633b21b132e51039
mmc: dw_mmc: add a quirk for accessing 64-bit FIFOs in two halves

In certain DW MMC implementations (such as in some Exynos7870
controllers), 64-bit read/write is not allowed from a 64-bit FIFO.
Add a quirk which facilitates accessing the 64-bit FIFO registers in two
32-bit halves.

Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Link: https://lore.kernel.org/r/20250219-exynos7870-mmc-v2-2-b4255a3e39ed@disroot.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/dw_mmc.c
drivers/mmc/host/dw_mmc.h