Commit 379e4dc5 authored Oct 18, 2024 by Ben Chuang Committed by Ulf Hansson Oct 24, 2024

mmc: sdhci-uhs2: add pre-detect_init hook



This "pre" hook for detect_init(), uhs2_pre_detect_init, 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>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Message-ID: <20241018105333.4569-14-victorshihgli@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

parent 9cbb2358

drivers/mmc/host/sdhci-uhs2.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -413,6 +413,9 @@ static int sdhci_uhs2_do_detect_init(struct mmc_host *mmc)

		DBG("Begin do uhs2 detect init.\n");

		if (host->ops && host->ops->uhs2_pre_detect_init)
		host->ops->uhs2_pre_detect_init(host);

		if (sdhci_uhs2_interface_detect(host)) {
		pr_warn("%s: cannot detect UHS2 interface.\n", mmc_hostname(host->mmc));
		return -EIO;

drivers/mmc/host/sdhci.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -723,6 +723,7 @@ struct sdhci_ops {
		struct mmc_request *mrq);
		void (dump_vendor_regs)(struct sdhci_host host);
		void (dump_uhs2_regs)(struct sdhci_host host);
		void (uhs2_pre_detect_init)(struct sdhci_host host);
		};

		#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS