diff mbox series

[V12,21/23] mmc: sdhci-uhs2: add pre-detect_init hook

Message ID 20230915094351.11120-22-victorshihgli@gmail.com
State Superseded
Headers show
Series Add support UHS-II for GL9755 | expand

Commit Message

Victor Shih Sept. 15, 2023, 9:43 a.m. UTC 
From: Ben Chuang <ben.chuang@genesyslogic.com.tw>

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>
---
 drivers/mmc/host/sdhci-uhs2.c | 3 +++
 drivers/mmc/host/sdhci.h      | 1 +
 2 files changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mmc/host/sdhci-uhs2.c b/drivers/mmc/host/sdhci-uhs2.c
index add0eea55b24..517c497112f4 100644
--- a/drivers/mmc/host/sdhci-uhs2.c
+++ b/drivers/mmc/host/sdhci-uhs2.c
@@ -1267,6 +1267,9 @@  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;
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 5235f2da6568..300108cc255d 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -724,6 +724,7 @@  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