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Thu, 06 Feb 2025 14:09:55 -0800 (PST) From: Kamal Dasu To: ulf.hansson@linaro.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, adrian.hunter@intel.com, linux-mmc@vger.kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, wsa+renesas@sang-engineering.com Cc: f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, Kamal Dasu Subject: [PATCH RFC 1/3] mmc: add request_start() and request_done() mmc ops Date: Thu, 6 Feb 2025 17:09:38 -0500 Message-Id: <20250206220940.10553-2-kamal.dasu@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20250206220940.10553-1-kamal.dasu@broadcom.com> References: <20250206220940.10553-1-kamal.dasu@broadcom.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: From: Kamal Dasu These ops enable host vendor driver to take action on request start and request done both in case of sdhci and cqe requests. Signed-off-by: Kamal Dasu --- drivers/mmc/core/core.c | 14 +++++++++++++- include/linux/mmc/host.h | 4 ++++ 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 5241528f8b90..a835ebc6282c 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -206,8 +206,11 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq) * Request starter must handle retries - see * mmc_wait_for_req_done(). */ - if (mrq->done) + if (mrq->done) { mrq->done(mrq); + if (host->ops->request_done) + host->ops->request_done(host, mrq); + } } EXPORT_SYMBOL(mmc_request_done); @@ -340,6 +343,9 @@ int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) init_completion(&mrq->cmd_completion); + if (host->ops->request_start) + host->ops->request_start(host, mrq); + mmc_retune_hold(host); if (mmc_card_removed(host->card)) @@ -437,6 +443,9 @@ int mmc_cqe_start_req(struct mmc_host *host, struct mmc_request *mrq) { int err; + if (host->ops->request_start) + host->ops->request_start(host, mrq); + /* * CQE cannot process re-tuning commands. Caller must hold retuning * while CQE is in use. Re-tuning can happen here only when CQE has no @@ -512,6 +521,9 @@ void mmc_cqe_request_done(struct mmc_host *host, struct mmc_request *mrq) } mrq->done(mrq); + + if (host->ops->request_done) + host->ops->request_done(host, mrq); } EXPORT_SYMBOL(mmc_cqe_request_done); diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 68f09a955a90..739b14117c26 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -171,6 +171,10 @@ struct mmc_host_ops { int err); void (*pre_req)(struct mmc_host *host, struct mmc_request *req); void (*request)(struct mmc_host *host, struct mmc_request *req); + void (*request_start)(struct mmc_host *host, + struct mmc_request *req); + void (*request_done)(struct mmc_host *host, + struct mmc_request *req); /* Submit one request to host in atomic context. */ int (*request_atomic)(struct mmc_host *host, struct mmc_request *req);