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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>,
	<benjamin.gaignard@linaro.org>,
	Gerald Baeza <gerald.baeza@st.com>,
	Loic Pallardy <loic.pallardy@st.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-mmc@vger.kernel.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	Ludovic Barre <ludovic.barre@st.com>
Subject: [PATCH V2 06/27] mmc: mmci: merge prepare data functions
Date: Fri, 21 Sep 2018 11:46:00 +0200	[thread overview]
Message-ID: <1537523181-14578-7-git-send-email-ludovic.Barre@st.com> (raw)
In-Reply-To: <1537523181-14578-1-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>
---
change v2:
-rename to mmci_prep/unprep_data

 drivers/mmc/host/mmci.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 43f2a1a..0cbe71c 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -652,10 +652,14 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
 }
 
 static inline int mmci_dma_prep_data(struct mmci_host *host,
-				     struct mmc_data *data)
+				     struct mmc_data *data,
+				     bool next)
 {
 	struct mmci_dmae_priv *dmae = host->dma_priv;
+	struct mmci_dmae_next *nd = &dmae->next_data;
 
+	if (next)
+		return __mmci_dma_prep_data(host, data, &nd->chan, &nd->desc);
 	/* Check if next job is already prepared. */
 	if (dmae->cur && dmae->desc_current)
 		return 0;
@@ -665,22 +669,13 @@ static inline int mmci_dma_prep_data(struct mmci_host *host,
 				    &dmae->desc_current);
 }
 
-static inline int mmci_dma_prep_next(struct mmci_host *host,
-				     struct mmc_data *data)
-{
-	struct mmci_dmae_priv *dmae = host->dma_priv;
-	struct mmci_dmae_next *nd = &dmae->next_data;
-
-	return __mmci_dma_prep_data(host, data, &nd->chan, &nd->desc);
-}
-
 static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl)
 {
 	struct mmci_dmae_priv *dmae = host->dma_priv;
 	struct mmc_data *data = host->data;
 	int ret;
 
-	ret = mmci_dma_prep_data(host, host->data);
+	ret = mmci_dma_prep_data(host, host->data, false);
 	if (ret)
 		return ret;
 
@@ -737,7 +732,7 @@ 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_prep_data(host, data, true))
 		data->host_cookie = ++host->next_cookie < 0 ?
 			1 : host->next_cookie;
 }
-- 
2.7.4


  parent reply	other threads:[~2018-09-21  9:47 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-21  9:45 [PATCH V2 00/27] mmc: mmci: add sdmmc variant for stm32 Ludovic Barre
2018-09-21  9:45 ` [PATCH V2 01/27] mmc: mmci: internalize dma map/unmap into mmci dma functions Ludovic Barre
2018-09-26 23:49   ` Ulf Hansson
2018-09-21  9:45 ` [PATCH V2 02/27] mmc: mmci: internalize dma_inprogress " Ludovic Barre
2018-09-26 23:49   ` Ulf Hansson
2018-09-21  9:45 ` [PATCH V2 03/27] mmc: mmci: convert dma_setup callback to return an int Ludovic Barre
2018-09-24 14:28   ` Ulf Hansson
2018-09-24 16:12     ` Ludovic BARRE
2018-09-26 23:49       ` Ulf Hansson
2018-09-27  8:55     ` Srinivas Kandagatla
2018-09-21  9:45 ` [PATCH V2 04/27] mmc: mmci: introduce dma_priv pointer to mmci_host Ludovic Barre
2018-09-24 18:52   ` Ulf Hansson
2018-09-25  7:19     ` Ludovic BARRE
2018-09-21  9:45 ` [PATCH V2 05/27] mmc: mmci: move mmci next cookie to mci host Ludovic Barre
2018-09-24 18:46   ` Ulf Hansson
2018-09-25  7:08     ` Ludovic BARRE
2018-09-21  9:46 ` Ludovic Barre [this message]
2018-09-21  9:46 ` [PATCH V2 07/27] mmc: mmci: add prepare/unprepare_data callbacks Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 08/27] mmc: mmci: add get_next_data callback Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 09/27] mmc: mmci: modify dma_setup callback Ludovic Barre
2018-10-01  9:30   ` Ulf Hansson
2018-10-01  9:43     ` Ludovic BARRE
2018-09-21  9:46 ` [PATCH V2 10/27] mmc: mmci: add dma_release callback Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 11/27] mmc: mmci: add dma_start callback Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 12/27] mmc: mmci: add dma_finalize callback Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 13/27] mmc: mmci: add dma_error callback Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 14/27] mmc: mmci: add validate_data callback Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 15/27] mmc: mmci: add set_clk/pwrreg callbacks Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 16/27] mmc: mmci: add datactrl block size variant property Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 17/27] mmc: mmci: expand startbiterr to irqmask and error check Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 18/27] mmc: mmci: add variant properties to define cpsm & cmdresp bits Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 19/27] mmc: mmci: add variant property to define dpsm bit Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 20/27] mmc: mmci: add variant property to define irq pio mask Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 21/27] mmc: mmci: add variant property to write datactrl before command Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 22/27] mmc: mmci: add variant property to not read datacnt Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 23/27] mmc: mmci: add variant property to request a reset Ludovic Barre
2018-10-01  9:30   ` Ulf Hansson
2018-10-01 12:16     ` Ludovic BARRE
2018-10-01 13:43       ` Ulf Hansson
2018-09-21  9:46 ` [PATCH V2 24/27] mmc: mmci: add clock divider for stm32 sdmmc Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 25/27] mmc: mmci: add stm32 sdmmc registers Ludovic Barre
2018-09-21  9:46 ` [PATCH V2 26/27] mmc: mmci: add DT bindings for STM32 sdmmc Ludovic Barre
2018-09-25 15:27   ` Rob Herring
2018-10-01  9:30   ` Ulf Hansson
2018-09-21  9:46 ` [PATCH V2 27/27] mmc: mmci: add stm32 sdmmc variant Ludovic Barre
2018-10-01  9:31   ` Ulf Hansson
2018-10-01 12:56     ` Ludovic BARRE
2018-10-01 13:39       ` Ulf Hansson
2018-10-01 13:53         ` Ludovic BARRE
  -- strict thread matches above, loose matches on Subject: below --
2018-09-18 10:55 [PATCH V2 00/27] mmc: mmci: add sdmmc variant for stm32 Ludovic Barre
2018-09-18 10:55 ` [PATCH V2 06/27] mmc: mmci: merge prepare data functions Ludovic Barre

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