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From: Shawn Lin <shawn.lin@rock-chips.com>
To: Vinod Koul <vinod.koul@intel.com>,
	Heiko Stuebner <heiko@sntech.de>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	Mark Brown <broonie@kernel.org>
Cc: Doug Anderson <dianders@chromium.org>,
	Olof Johansson <olofj@google.com>,
	Sonny Rao <sonnyrao@chromium.org>,
	Addy Ke <addy.ke@rock-chips.com>,
	dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, alsa-devel@alsa-project.org,
	linux-spi@vger.kernel.org, Shawn Lin <shawn.lin@rock-chips.com>
Subject: [PATCH v4 06/10] dmaengine: add API for getting dma controller's quirk
Date: Sun,  6 Sep 2015 09:12:44 +0800	[thread overview]
Message-ID: <1441501964-13952-1-git-send-email-shawn.lin@rock-chips.com> (raw)
In-Reply-To: <1441501881-13700-1-git-send-email-shawn.lin@rock-chips.com>

Add dmaengine_get_quirks API for peripheral devices to query
quirks if they need it to make special workaround due to broken
dma controller design.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---

Changes in v4: None
Changes in v3: None
Changes in v2: None
Changes in v1: None

 include/linux/dmaengine.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index e2f5eb4..5174ca4 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -704,6 +704,7 @@ struct dma_device {
 
 	int (*device_config)(struct dma_chan *chan,
 			     struct dma_slave_config *config);
+	int (*device_get_quirks)(struct dma_chan *chan);
 	int (*device_pause)(struct dma_chan *chan);
 	int (*device_resume)(struct dma_chan *chan);
 	int (*device_terminate_all)(struct dma_chan *chan);
@@ -723,6 +724,14 @@ static inline int dmaengine_slave_config(struct dma_chan *chan,
 	return -ENOSYS;
 }
 
+static inline int dmaengine_get_quirks(struct dma_chan *chan)
+{
+	if (chan->device->device_get_quirks)
+		return chan->device->device_get_quirks(chan);
+
+	return -ENOSYS;
+}
+
 static inline bool is_slave_direction(enum dma_transfer_direction direction)
 {
 	return (direction == DMA_MEM_TO_DEV) || (direction == DMA_DEV_TO_MEM);
-- 
2.3.7



WARNING: multiple messages have this Message-ID (diff)
From: shawn.lin@rock-chips.com (Shawn Lin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 06/10] dmaengine: add API for getting dma controller's quirk
Date: Sun,  6 Sep 2015 09:12:44 +0800	[thread overview]
Message-ID: <1441501964-13952-1-git-send-email-shawn.lin@rock-chips.com> (raw)
In-Reply-To: <1441501881-13700-1-git-send-email-shawn.lin@rock-chips.com>

Add dmaengine_get_quirks API for peripheral devices to query
quirks if they need it to make special workaround due to broken
dma controller design.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---

Changes in v4: None
Changes in v3: None
Changes in v2: None
Changes in v1: None

 include/linux/dmaengine.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index e2f5eb4..5174ca4 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -704,6 +704,7 @@ struct dma_device {
 
 	int (*device_config)(struct dma_chan *chan,
 			     struct dma_slave_config *config);
+	int (*device_get_quirks)(struct dma_chan *chan);
 	int (*device_pause)(struct dma_chan *chan);
 	int (*device_resume)(struct dma_chan *chan);
 	int (*device_terminate_all)(struct dma_chan *chan);
@@ -723,6 +724,14 @@ static inline int dmaengine_slave_config(struct dma_chan *chan,
 	return -ENOSYS;
 }
 
+static inline int dmaengine_get_quirks(struct dma_chan *chan)
+{
+	if (chan->device->device_get_quirks)
+		return chan->device->device_get_quirks(chan);
+
+	return -ENOSYS;
+}
+
 static inline bool is_slave_direction(enum dma_transfer_direction direction)
 {
 	return (direction == DMA_MEM_TO_DEV) || (direction == DMA_DEV_TO_MEM);
-- 
2.3.7

  parent reply	other threads:[~2015-09-06  1:14 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-06  1:11 [PATCH v4 0/10] Fix broken DMAFLUSHP on Rockchips platform Shawn Lin
2015-09-06  1:11 ` Shawn Lin
2015-09-06  1:11 ` Shawn Lin
2015-09-06  1:11 ` [PATCH v4 01/10] DMA: pl330: support burst mode for dev-to-mem and mem-to-dev transmit Shawn Lin
2015-09-06  1:11   ` Shawn Lin
2015-09-06  1:12 ` [PATCH v4 02/10] Documentation: arm-pl330: add description of arm,pl330-broken-no-flushp Shawn Lin
2015-09-06  1:12   ` [PATCH v4 02/10] Documentation: arm-pl330: add description of arm, pl330-broken-no-flushp Shawn Lin
2015-09-06  1:12   ` [PATCH v4 02/10] Documentation: arm-pl330: add description of arm,pl330-broken-no-flushp Shawn Lin
2015-09-06  1:12 ` [PATCH v4 03/10] DMA: pl330: add quirk for broken no flushp Shawn Lin
2015-09-06  1:12   ` Shawn Lin
2015-09-06  1:12 ` [PATCH v4 04/10] ARM: dts: Add arm,pl330-broken-no-flushp quirk for rk3288 platform Shawn Lin
2015-09-06  1:12   ` [PATCH v4 04/10] ARM: dts: Add arm, pl330-broken-no-flushp " Shawn Lin
2015-09-06  1:12   ` [PATCH v4 04/10] ARM: dts: Add arm,pl330-broken-no-flushp " Shawn Lin
2015-09-06  1:12 ` [PATCH v4 05/10] ARM: dts: Add arm,pl330-broken-no-flushp quirk for rk3xxx platform Shawn Lin
2015-09-06  1:12   ` [PATCH v4 05/10] ARM: dts: Add arm, pl330-broken-no-flushp " Shawn Lin
2015-09-06  1:12   ` [PATCH v4 05/10] ARM: dts: Add arm,pl330-broken-no-flushp " Shawn Lin
2015-09-06  1:12 ` Shawn Lin [this message]
2015-09-06  1:12   ` [PATCH v4 06/10] dmaengine: add API for getting dma controller's quirk Shawn Lin
2015-09-06  1:12 ` [PATCH v4 07/10] DMA: pl330: implement dmaengine_get_quirks hook Shawn Lin
2015-09-06  1:12   ` Shawn Lin
2015-09-06  1:12   ` Shawn Lin
2015-09-06  1:13 ` [PATCH v4 08/10] spi: rockchip: modify DMA max burst to 1 Shawn Lin
2015-09-06  1:13   ` Shawn Lin
2015-09-11 11:28   ` Mark Brown
2015-09-11 11:28     ` Mark Brown
2015-09-11 11:28     ` Mark Brown
2015-09-06  1:13 ` [PATCH v4 09/10] snd: dmaengine-pcm: add snd_dmaengine_pcm_get_quirks interface Shawn Lin
2015-09-06  1:13   ` Shawn Lin
2015-09-06  1:13 ` [PATCH v4 10/10] ASoC: rockchip_i2s: modify DMA max burst to 1 Shawn Lin
2015-09-06  1:13   ` Shawn Lin
2015-09-06  1:13   ` Shawn Lin
2015-09-11 11:53   ` Mark Brown
2015-09-11 11:53     ` Mark Brown
2015-09-11 11:53     ` Mark Brown
2015-09-11 12:31     ` Shawn Lin
2015-09-11 12:31       ` Shawn Lin

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