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[120.74.102.185]) by smtp.gmail.com with ESMTPSA id m13sm3703040pjr.30.2020.11.05.18.29.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Nov 2020 18:29:07 -0800 (PST) From: AKASHI Takahiro To: ulf.hansson@linaro.org, adrian.hunter@intel.com Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, ben.chuang@genesyslogic.com.tw, greg.tu@genesyslogic.com.tw, AKASHI Takahiro Subject: [RFC PATCH v3.1 23/27] mmc: sdhci-uhs2: add pre-detect_init hook Date: Fri, 6 Nov 2020 11:27:22 +0900 Message-Id: <20201106022726.19831-24-takahiro.akashi@linaro.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201106022726.19831-1-takahiro.akashi@linaro.org> References: <20201106022726.19831-1-takahiro.akashi@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ben Chuang 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 Signed-off-by: AKASHI Takahiro --- 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 5d3362ea138f..3dd81c89d8f1 100644 --- a/drivers/mmc/host/sdhci-uhs2.c +++ b/drivers/mmc/host/sdhci-uhs2.c @@ -1631,6 +1631,9 @@ static int sdhci_uhs2_do_detect_init(struct mmc_host *mmc) DBG("%s: begin UHS2 init.\n", __func__); spin_lock_irqsave(&host->lock, flags); + 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)); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index b1d856664b58..4e2cb73a63bd 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -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 -- 2.28.0