[V13,19/21] mmc: sdhci-uhs2: add pre-detect_init hook

Message ID	20231117113149.9069-20-victorshihgli@gmail.com
State	Superseded
Headers	show Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="HfAyo4rG" From: Victor Shih <victorshihgli@gmail.com> To: ulf.hansson@linaro.org, adrian.hunter@intel.com Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, benchuanggli@gmail.com, HL.Liu@genesyslogic.com.tw, Greg.tu@genesyslogic.com.tw, takahiro.akashi@linaro.org, dlunev@chromium.org, Victor Shih <victorshihgli@gmail.com>, Ben Chuang <ben.chuang@genesyslogic.com.tw> Subject: [PATCH V13 19/21] mmc: sdhci-uhs2: add pre-detect_init hook Date: Fri, 17 Nov 2023 19:31:47 +0800 Message-Id: <20231117113149.9069-20-victorshihgli@gmail.com> In-Reply-To: <20231117113149.9069-1-victorshihgli@gmail.com> References: <20231117113149.9069-1-victorshihgli@gmail.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	Add support UHS-II for GL9755 \| expand [V13,00/21] Add support UHS-II for GL9755 [V13,01/21] mmc: core: Cleanup printing of speed mode at card insertion [V13,02/21] mmc: core: Prepare to support SD UHS-II cards [V13,03/21] mmc: core: Announce successful insertion of an SD UHS-II card [V13,04/21] mmc: core: Extend support for mmc regulators with a vqmmc2 [V13,05/21] mmc: core: Add definitions for SD UHS-II cards [V13,06/21] mmc: core: Add New function to re-factoring the code [V13,07/21] mmc: core: Support UHS-II card control and access [V13,08/21] mmc: sdhci: add UHS-II related definitions in headers [V13,09/21] mmc: sdhci: add UHS-II module and add a kernel configuration [V13,10/21] mmc: sdhci-uhs2: dump UHS-II registers [V13,11/21] mmc: sdhci-uhs2: add reset function and uhs2_mode function [V13,12/21] mmc: sdhci-uhs2: add set_power() to support vdd2 [V13,13/21] mmc: sdhci-uhs2: add set_timeout() [V13,14/21] mmc: sdhci-uhs2: add set_ios() [V13,15/21] mmc: sdhci-uhs2: add uhs2_control() to initialise the interface [V13,16/21] mmc: sdhci-uhs2: add request() and others [V13,17/21] mmc: sdhci-uhs2: add irq() and others [V13,18/21] mmc: sdhci-uhs2: add add_host() and others to set up the driver [V13,19/21] mmc: sdhci-uhs2: add pre-detect_init hook [V13,20/21] mmc: sdhci-pci: add UHS-II support framework [V13,21/21] mmc: sdhci-pci-gli: enable UHS-II mode for GL9755

Message ID

20231117113149.9069-20-victorshihgli@gmail.com

State

Superseded

Headers

From: Victor Shih <victorshihgli@gmail.com>
To: ulf.hansson@linaro.org,
	adrian.hunter@intel.com
Cc: linux-mmc@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	benchuanggli@gmail.com,
	HL.Liu@genesyslogic.com.tw,
	Greg.tu@genesyslogic.com.tw,
	takahiro.akashi@linaro.org,
	dlunev@chromium.org,
	Victor Shih <victorshihgli@gmail.com>,
	Ben Chuang <ben.chuang@genesyslogic.com.tw>
Subject: [PATCH V13 19/21] mmc: sdhci-uhs2: add pre-detect_init hook
Date: Fri, 17 Nov 2023 19:31:47 +0800
Message-Id: <20231117113149.9069-20-victorshihgli@gmail.com>
In-Reply-To: <20231117113149.9069-1-victorshihgli@gmail.com>
References: <20231117113149.9069-1-victorshihgli@gmail.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

Series

Add support UHS-II for GL9755 | expand

Commit Message

Victor Shih Nov. 17, 2023, 11:31 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 --git a/drivers/mmc/host/sdhci-uhs2.c b/drivers/mmc/host/sdhci-uhs2.c
index 45ff0bfedf3c..e187176b79d7 100644
--- a/drivers/mmc/host/sdhci-uhs2.c
+++ b/drivers/mmc/host/sdhci-uhs2.c
@@ -407,6 +407,9 @@  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 1085942d47a9..fb10a26dc251 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

[V13,19/21] mmc: sdhci-uhs2: add pre-detect_init hook

Commit Message

Patch