From: Ludovic Barre <ludovic.Barre@st.com>
To: Ulf Hansson <ulf.hansson@linaro.org>, Rob Herring <robh+dt@kernel.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Gerald Baeza <gerald.baeza@st.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-mmc@vger.kernel.org, Ludovic Barre <ludovic.barre@st.com>
Subject: [PATCH 06/14] mmc: mmci: merge prepare data functions
Date: Wed, 1 Aug 2018 11:36:53 +0200 [thread overview]
Message-ID: <1533116221-380-7-git-send-email-ludovic.Barre@st.com> (raw)
In-Reply-To: <1533116221-380-1-git-send-email-ludovic.Barre@st.com>
From: Ludovic Barre <ludovic.barre@st.com>
This patch merges the prepare data functions.
This allows to define a single access to prepare data service.
This prepares integration for mmci host ops.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
---
drivers/mmc/host/mmci.c | 22 +++++++++-------------
1 file changed, 9 insertions(+), 13 deletions(-)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 5646c2e6..e4d80f1 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -651,11 +651,16 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
return -ENOMEM;
}
-static inline int mmci_dma_prep_data(struct mmci_host *host,
- struct mmc_data *data)
+static inline int mmci_dma_prepare_data(struct mmci_host *host,
+ struct mmc_data *data,
+ bool next)
{
struct dmaengine_priv *dmae = host->dma_priv;
+ struct dmaengine_next *nd = &dmae->next_data;
+ if (next)
+ return __mmci_dma_prep_data(host, data, &nd->dma_chan,
+ &nd->dma_desc);
/* Check if next job is already prepared. */
if (dmae->dma_current && dmae->dma_desc_current)
return 0;
@@ -665,22 +670,13 @@ static inline int mmci_dma_prep_data(struct mmci_host *host,
&dmae->dma_desc_current);
}
-static inline int mmci_dma_prep_next(struct mmci_host *host,
- struct mmc_data *data)
-{
- struct dmaengine_priv *dmae = host->dma_priv;
- struct dmaengine_next *nd = &dmae->next_data;
-
- return __mmci_dma_prep_data(host, data, &nd->dma_chan, &nd->dma_desc);
-}
-
static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl)
{
struct dmaengine_priv *dmae = host->dma_priv;
struct mmc_data *data = host->data;
int ret;
- ret = mmci_dma_prep_data(host, host->data);
+ ret = mmci_dma_prepare_data(host, host->data, false);
if (ret)
return ret;
@@ -737,7 +733,7 @@ static void mmci_pre_request(struct mmc_host *mmc, struct mmc_request *mrq)
if (mmci_validate_data(host, data))
return;
- if (!mmci_dma_prep_next(host, data))
+ if (!mmci_dma_prepare_data(host, data, true))
data->host_cookie = ++host->next_cookie < 0 ?
1 : host->next_cookie;
}
--
2.7.4
next prev parent reply other threads:[~2018-08-01 9:36 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-01 9:36 [PATCH 00/14] mmc: mmci: prepare dma callbacks with mmci_host_ops Ludovic Barre
2018-08-01 9:36 ` [PATCH 01/14] mmc: mmci: fix qcom dma issue during mmci init with new dma_setup callback Ludovic Barre
2018-08-01 10:08 ` Ulf Hansson
2018-08-01 10:09 ` Ludovic BARRE
2018-08-01 9:36 ` [PATCH 02/14] mmc: mmci: internalize dma map/unmap into mmci dma functions Ludovic Barre
2018-09-03 12:14 ` Ulf Hansson
2018-08-01 9:36 ` [PATCH 03/14] mmc: mmci: internalize dma_inprogress " Ludovic Barre
2018-09-03 12:15 ` Ulf Hansson
2018-08-01 9:36 ` [PATCH 04/14] mmc: mmci: introduce dma_priv pointer to mmci_host Ludovic Barre
2018-09-03 12:15 ` Ulf Hansson
2018-08-01 9:36 ` [PATCH 05/14] mmc: mmci: move mmci next cookie to mci host Ludovic Barre
2018-08-01 9:36 ` Ludovic Barre [this message]
2018-09-03 12:15 ` [PATCH 06/14] mmc: mmci: merge prepare data functions Ulf Hansson
2018-08-01 9:36 ` [PATCH 07/14] mmc: mmci: add prepare/unprepare_data callbacks Ludovic Barre
2018-09-04 9:43 ` Ulf Hansson
2018-08-01 9:36 ` [PATCH 08/14] mmc: mmci: add get_next_data callback Ludovic Barre
2018-08-01 9:36 ` [PATCH 09/14] mmc: mmci: modify dma_setup callback Ludovic Barre
2018-08-01 9:36 ` [PATCH 10/14] mmc: mmci: add dma_release callback Ludovic Barre
2018-08-01 9:36 ` [PATCH 11/14] mmc: mmci: add dma_start callback Ludovic Barre
2018-08-01 9:36 ` [PATCH 12/14] mmc: mmci: add dma_finalize callback Ludovic Barre
2018-08-01 9:37 ` [PATCH 13/14] mmc: mmci: add dma_error callback Ludovic Barre
2018-08-01 9:37 ` [PATCH 14/14] mmc: mmci: add validate_data callback Ludovic Barre
2018-09-04 10:00 ` [PATCH 00/14] mmc: mmci: prepare dma callbacks with mmci_host_ops Ulf Hansson
2018-09-05 9:13 ` Ludovic BARRE
2018-09-05 10:43 ` Ulf Hansson
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