Messages in this thread Patch in this message | | | From | Jason Lai <> | Subject | [RFC PATCH v3.2 24/29] mmc: core: add post-mmc_attach_sd hook | Date | Thu, 22 Jul 2021 12:01:19 +0800 |
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This "post" hook for mmc_attach_sd() will be required to enable UHS-II support, at least, on GL9755.
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> --- drivers/mmc/core/sd.c | 6 ++++++ include/linux/mmc/host.h | 1 + 2 files changed, 7 insertions(+)
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 0a407ef1cfc0..f984d5a9301a 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -1417,6 +1417,12 @@ int mmc_attach_sd(struct mmc_host *host) goto remove_card;
mmc_claim_host(host); + + /* TODO: Is this the right place? */ + if ((host->flags & MMC_UHS2_INITIALIZED) && + host->ops->uhs2_post_attach_sd) + host->ops->uhs2_post_attach_sd(host); + return 0;
remove_card: diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 89a9e0e12f07..ef613b3c9af2 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -199,6 +199,7 @@ struct mmc_host_ops { int (*uhs2_set_reg)(struct mmc_host *host, enum uhs2_act act); void (*uhs2_disable_clk)(struct mmc_host *host); void (*uhs2_enable_clk)(struct mmc_host *host); + void (*uhs2_post_attach_sd)(struct mmc_host *host); };
struct mmc_cqe_ops { -- 2.32.0
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