[V17,19/22] mmc: sdhci-uhs2: add pre-detect_init hook

Message ID	20240620104444.5862-20-victorshihgli@gmail.com
State	Superseded
Headers	show Received: from mail-pl1-f171.google.com (mail-pl1-f171.google.com [209.85.214.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9A6611AD3E1; Thu, 20 Jun 2024 10:46:07 +0000 (UTC) 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 V17 19/22] mmc: sdhci-uhs2: add pre-detect_init hook Date: Thu, 20 Jun 2024 18:44:41 +0800 Message-Id: <20240620104444.5862-20-victorshihgli@gmail.com> In-Reply-To: <20240620104444.5862-1-victorshihgli@gmail.com> References: <20240620104444.5862-1-victorshihgli@gmail.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	Add support UHS-II for GL9755 and GL9767 \| expand [V17,00/22] Add support UHS-II for GL9755 and GL9767 [V17,01/22] mmc: core: Cleanup printing of speed mode at card insertion [V17,02/22] mmc: core: Prepare to support SD UHS-II cards [V17,03/22] mmc: core: Announce successful insertion of an SD UHS-II card [V17,04/22] mmc: core: Extend support for mmc regulators with a vqmmc2 [V17,05/22] mmc: core: Add definitions for SD UHS-II cards [V17,06/22] mmc: core: Add New function to re-factoring the code [V17,07/22] mmc: core: Support UHS-II card control and access [V17,08/22] mmc: sdhci: add UHS-II related definitions in headers [V17,09/22] mmc: sdhci: add UHS-II module and add a kernel configuration [V17,10/22] mmc: sdhci-uhs2: dump UHS-II registers [V17,11/22] mmc: sdhci-uhs2: add reset function function [V17,12/22] mmc: sdhci-uhs2: add set_power() to support vdd2 [V17,13/22] mmc: sdhci-uhs2: add set_timeout() [V17,14/22] mmc: sdhci-uhs2: add set_ios() [V17,15/22] mmc: sdhci-uhs2: add uhs2_control() to initialise the interface [V17,16/22] mmc: sdhci-uhs2: add request() and others [V17,17/22] mmc: sdhci-uhs2: add irq() and others [V17,18/22] mmc: sdhci-uhs2: add add_host() and others to set up the driver [V17,19/22] mmc: sdhci-uhs2: add pre-detect_init hook [V17,20/22] mmc: sdhci-pci: add UHS-II support framework [V17,21/22] mmc: sdhci-pci-gli: enable UHS-II mode for GL9755 [V17,22/22] mmc: sdhci-pci-gli: enable UHS-II mode for GL9767

Message ID

20240620104444.5862-20-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 V17 19/22] mmc: sdhci-uhs2: add pre-detect_init hook
Date: Thu, 20 Jun 2024 18:44:41 +0800
Message-Id: <20240620104444.5862-20-victorshihgli@gmail.com>
In-Reply-To: <20240620104444.5862-1-victorshihgli@gmail.com>
References: <20240620104444.5862-1-victorshihgli@gmail.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

Series

Add support UHS-II for GL9755 and GL9767 | expand

Commit Message

Victor Shih June 20, 2024, 10:44 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 c6732187b70c..5c88b7ef60e2 100644
--- a/drivers/mmc/host/sdhci-uhs2.c
+++ b/drivers/mmc/host/sdhci-uhs2.c
@@ -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;
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 5d600f41ac50..5ac5234fecf0 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -725,6 +725,7 @@  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

[V17,19/22] mmc: sdhci-uhs2: add pre-detect_init hook

Commit Message

Patch