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[2001:b400:e282:2aaa:c1aa:6c8:e68:c5ee]) by smtp.gmail.com with ESMTPSA id x8-20020a170902ec8800b001746f66244asm1606678plg.18.2022.10.14.04.48.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 04:48:17 -0700 (PDT) From: Victor Shih X-Google-Original-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 V5 23/26] mmc: core: add post-mmc_attach_sd hook Date: Fri, 14 Oct 2022 19:45:58 +0800 Message-Id: <20221014114601.15594-24-victor.shih@genesyslogic.com.tw> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221014114601.15594-1-victor.shih@genesyslogic.com.tw> References: <20221014114601.15594-1-victor.shih@genesyslogic.com.tw> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1746663658475148839?= X-GMAIL-MSGID: =?utf-8?q?1746663658475148839?= From: AKASHI Takahiro This "post" hook for mmc_attach_sd() will be required to enable UHS-II support, at least, on GL9755. Signed-off-by: Ben Chuang Signed-off-by: AKASHI Takahiro --- drivers/mmc/core/sd.c | 6 ++++++ include/linux/mmc/host.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index cab4725209c1..975987fb02a1 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -1855,6 +1855,12 @@ int mmc_attach_sd(struct mmc_host *host) goto remove_card; mmc_claim_host(host); + + /* TODO: Is this the right place? */ + if ((host->flags & MMC_UHS2_INITIALIZED) && + host->ops->uhs2_post_attach_sd) + host->ops->uhs2_post_attach_sd(host); + return 0; remove_card: diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index cf5adf26b6e4..e58be4ccb308 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -279,6 +279,7 @@ struct mmc_host_ops { int (*uhs2_set_reg)(struct mmc_host *host, enum sd_uhs2_operation act); int (*uhs2_disable_clk)(struct mmc_host *host); int (*uhs2_enable_clk)(struct mmc_host *host); + void (*uhs2_post_attach_sd)(struct mmc_host *host); /* * The uhs2_control callback is used to execute SD UHS-II specific