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Fri, 21 Sep 2018 11:46:38 +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 11:46:38 +0200 From: Ludovic Barre To: Ulf Hansson , Rob Herring Subject: [PATCH V2 08/27] mmc: mmci: add get_next_data callback Date: Fri, 21 Sep 2018 11:46:02 +0200 Message-ID: <1537523181-14578-9-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_024648_031157_8E118112 X-CRM114-Status: GOOD ( 15.80 ) 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 adds get_next_data callback to mmci_host_ops. Generic mmci_get_next_data factorizes next_cookie check and the host ops call. Signed-off-by: Ludovic Barre --- drivers/mmc/host/mmci.c | 16 ++++++++++------ drivers/mmc/host/mmci.h | 3 +++ drivers/mmc/host/mmci_qcom_dml.c | 1 + 3 files changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 5734c05..55c4222 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -390,6 +390,14 @@ void mmci_unprep_data(struct mmci_host *host, struct mmc_data *data, data->host_cookie = 0; } +void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data) +{ + WARN_ON(data->host_cookie && data->host_cookie != host->next_cookie); + + if (host->ops && host->ops->get_next_data) + host->ops->get_next_data(host, data); +} + static void mmci_request_end(struct mmci_host *host, struct mmc_request *mrq) { @@ -738,12 +746,11 @@ static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) return 0; } -static void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data) +void mmci_dmae_get_next_data(struct mmci_host *host, struct mmc_data *data) { struct mmci_dmae_priv *dmae = host->dma_priv; struct mmci_dmae_next *next = &dmae->next_data; - WARN_ON(data->host_cookie && data->host_cookie != host->next_cookie); WARN_ON(!data->host_cookie && (next->desc || next->chan)); dmae->desc_current = next->desc; @@ -785,13 +792,10 @@ void mmci_dmae_unprep_data(struct mmci_host *host, 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, }; #else /* Blank functions if the DMA engine is not available */ -static void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data) -{ -} - static inline int mmci_dma_setup(struct mmci_host *host) { return 0; diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 0f2f82f..4f73070 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -277,6 +277,7 @@ struct mmci_host_ops { bool next); void (*unprep_data)(struct mmci_host *host, struct mmc_data *data, int err); + void (*get_next_data)(struct mmci_host *host, struct mmc_data *data); int (*dma_setup)(struct mmci_host *host); }; @@ -332,3 +333,5 @@ int mmci_dmae_prep_data(struct mmci_host *host, struct mmc_data *data, bool next); 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); + diff --git a/drivers/mmc/host/mmci_qcom_dml.c b/drivers/mmc/host/mmci_qcom_dml.c index e3cbdda..432a823 100644 --- a/drivers/mmc/host/mmci_qcom_dml.c +++ b/drivers/mmc/host/mmci_qcom_dml.c @@ -182,6 +182,7 @@ static int qcom_dma_setup(struct mmci_host *host) static struct mmci_host_ops qcom_variant_ops = { .prep_data = mmci_dmae_prep_data, .unprep_data = mmci_dmae_unprep_data, + .get_next_data = mmci_dmae_get_next_data, .dma_setup = qcom_dma_setup, };