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You can see another patch [sg2042-dwcmshc], which I am working on to add SG2042 to sdhci-of-dwcmshc. By the way, although I believe this patch only optimizes the framework of the code and does not change the specific logic, simple verification is certainly better. Since I don't have rk35xx/th1520 related hardware, it would be greatly appreciated if someone could help verify it. --- Changes in v2: Rebased on latest 'next' branch of [mmc-git]. Changes in v1: The patch series is based on v6.9-rc1. You can simply review or test the patches at the link [1]. Link: https://lore.kernel.org/linux-mmc/cover.1713258948.git.unicorn_wang@outlook.com/ [sg2042-dwcmshc] Link: git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc.git [mmc-git] Link: https://lore.kernel.org/linux-mmc/cover.1713257181.git.unicorn_wang@outlook.com/ [1] --- Chen Wang (1): mmc: sdhci-of-dwcmshc: add callback functions for dwcmshc_priv drivers/mmc/host/sdhci-of-dwcmshc.c | 152 +++++++++++++++++----------- 1 file changed, 91 insertions(+), 61 deletions(-) base-commit: e38063b94324bc1409a29d699c73938c3d008126 -- 2.25.1