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[2001:b400:e2ac:a4c6:7d2b:d8b3:ed27:1f50]) by smtp.gmail.com with ESMTPSA id l10-20020a056a00140a00b006d9b2694b0csm10595188pfu.200.2024.01.22.22.29.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jan 2024 22:29:43 -0800 (PST) From: Victor Shih 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 , Ben Chuang Subject: [PATCH V14 19/21] mmc: sdhci-uhs2: add pre-detect_init hook Date: Tue, 23 Jan 2024 14:28:25 +0800 Message-Id: <20240123062827.8525-20-victorshihgli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240123062827.8525-1-victorshihgli@gmail.com> References: <20240123062827.8525-1-victorshihgli@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 Acked-by: Adrian Hunter --- 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 9f82dda93733..872ce3b767bf 100644 --- a/drivers/mmc/host/sdhci-uhs2.c +++ b/drivers/mmc/host/sdhci-uhs2.c @@ -399,6 +399,9 @@ 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 -- 2.25.1