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Fri, 21 Sep 2018 11:46:39 +0200 Received: from lmecxl0923.lme.st.com (10.48.0.237) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Fri, 21 Sep 2018 11:46:39 +0200 From: Ludovic Barre To: Ulf Hansson , Rob Herring Subject: [PATCH V2 09/27] mmc: mmci: modify dma_setup callback Date: Fri, 21 Sep 2018 11:46:03 +0200 Message-ID: <1537523181-14578-10-git-send-email-ludovic.Barre@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1537523181-14578-1-git-send-email-ludovic.Barre@st.com> References: <1537523181-14578-1-git-send-email-ludovic.Barre@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.0.237] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-09-21_04:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180921_024655_642694_C983A0E0 X-CRM114-Status: GOOD ( 16.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Maxime Coquelin , Alexandre Torgue , Loic Pallardy , devicetree@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Ludovic Barre , benjamin.gaignard@linaro.org, Gerald Baeza , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ludovic Barre This patch creates a generic mmci_dma_setup which calls dma_setup callback and manages common next_cookie. This patch is needed for sdmmc variant which has a different dma settings. Signed-off-by: Ludovic Barre # Conflicts: # drivers/mmc/host/mmci.h Signed-off-by: Ludovic Barre --- drivers/mmc/host/mmci.c | 25 +++++++++++++------------ drivers/mmc/host/mmci.h | 1 + drivers/mmc/host/mmci_qcom_dml.c | 2 ++ 3 files changed, 16 insertions(+), 12 deletions(-) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 55c4222..2a433ed 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -398,6 +398,17 @@ void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data) host->ops->get_next_data(host, data); } +int mmci_dma_setup(struct mmci_host *host) +{ + if (!host->ops || !host->ops->dma_setup) + return 0; + + /* initialize pre request cookie */ + host->next_cookie = 1; + + return host->ops->dma_setup(host); +} + static void mmci_request_end(struct mmci_host *host, struct mmc_request *mrq) { @@ -472,7 +483,7 @@ struct mmci_dmae_priv { #define mmci_dmae_inprogress(dmae) ((dmae)->in_progress) -static int mmci_dma_setup(struct mmci_host *host) +int mmci_dmae_setup(struct mmci_host *host) { const char *rxname, *txname; struct mmci_dmae_priv *dmae; @@ -488,9 +499,6 @@ static int mmci_dma_setup(struct mmci_host *host) dmae->tx_channel = dma_request_slave_channel(mmc_dev(host->mmc), "tx"); - /* initialize pre request cookie */ - host->next_cookie = 1; - /* * If only an RX channel is specified, the driver will * attempt to use it bidirectionally, however if it is @@ -531,9 +539,6 @@ static int mmci_dma_setup(struct mmci_host *host) host->mmc->max_seg_size = max_seg_size; } - if (host->ops && host->ops->dma_setup) - return host->ops->dma_setup(host); - return 0; } @@ -793,14 +798,10 @@ static struct mmci_host_ops mmci_variant_ops = { .prep_data = mmci_dmae_prep_data, .unprep_data = mmci_dmae_unprep_data, .get_next_data = mmci_dmae_get_next_data, + .dma_setup = mmci_dmae_setup, }; #else /* Blank functions if the DMA engine is not available */ -static inline int mmci_dma_setup(struct mmci_host *host) -{ - return 0; -} - static inline void mmci_dma_release(struct mmci_host *host) { } diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 4f73070..72fe02d 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -334,4 +334,5 @@ int mmci_dmae_prep_data(struct mmci_host *host, struct mmc_data *data, void mmci_dmae_unprep_data(struct mmci_host *host, struct mmc_data *data, int err); void mmci_dmae_get_next_data(struct mmci_host *host, struct mmc_data *data); +int mmci_dmae_setup(struct mmci_host *host); diff --git a/drivers/mmc/host/mmci_qcom_dml.c b/drivers/mmc/host/mmci_qcom_dml.c index 432a823..003c497 100644 --- a/drivers/mmc/host/mmci_qcom_dml.c +++ b/drivers/mmc/host/mmci_qcom_dml.c @@ -126,6 +126,8 @@ static int qcom_dma_setup(struct mmci_host *host) int consumer_id, producer_id; struct device_node *np = host->mmc->parent->of_node; + mmci_dmae_setup(host); + consumer_id = of_get_dml_pipe_index(np, "tx"); producer_id = of_get_dml_pipe_index(np, "rx");