From: Amelie Delaunay <amelie.delaunay@st.com> To: Vinod Koul <vkoul@kernel.org>, Dan Williams <dan.j.williams@intel.com>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Alexandre Torgue <alexandre.torgue@st.com> Cc: <dmaengine@vger.kernel.org>, <linux-stm32@st-md-mailman.stormreply.com>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, Amelie Delaunay <amelie.delaunay@st.com>, Pierre-Yves MORDRET <pierre-yves.mordret@st.com> Subject: [PATCH 5/6] dmaengine: stm32-mdma: enable descriptor_reuse Date: Mon, 27 Jan 2020 09:53:33 +0100 [thread overview] Message-ID: <20200127085334.13163-6-amelie.delaunay@st.com> (raw) In-Reply-To: <20200127085334.13163-1-amelie.delaunay@st.com> From: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> Enable descriptor reuse to allow client to resubmit already processed descriptors in order to save descriptor creation time. Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com> --- drivers/dma/stm32-mdma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c index 2dbd1f38a6f5..f2043f47ae9e 100644 --- a/drivers/dma/stm32-mdma.c +++ b/drivers/dma/stm32-mdma.c @@ -1618,6 +1618,8 @@ static int stm32_mdma_probe(struct platform_device *pdev) dd->device_resume = stm32_mdma_resume; dd->device_terminate_all = stm32_mdma_terminate_all; dd->device_synchronize = stm32_mdma_synchronize; + dd->descriptor_reuse = true; + dd->src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Amelie Delaunay <amelie.delaunay@st.com> To: Vinod Koul <vkoul@kernel.org>, Dan Williams <dan.j.williams@intel.com>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Alexandre Torgue <alexandre.torgue@st.com> Cc: Amelie Delaunay <amelie.delaunay@st.com>, linux-kernel@vger.kernel.org, Pierre-Yves MORDRET <pierre-yves.mordret@st.com>, dmaengine@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH 5/6] dmaengine: stm32-mdma: enable descriptor_reuse Date: Mon, 27 Jan 2020 09:53:33 +0100 [thread overview] Message-ID: <20200127085334.13163-6-amelie.delaunay@st.com> (raw) In-Reply-To: <20200127085334.13163-1-amelie.delaunay@st.com> From: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> Enable descriptor reuse to allow client to resubmit already processed descriptors in order to save descriptor creation time. Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com> --- drivers/dma/stm32-mdma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c index 2dbd1f38a6f5..f2043f47ae9e 100644 --- a/drivers/dma/stm32-mdma.c +++ b/drivers/dma/stm32-mdma.c @@ -1618,6 +1618,8 @@ static int stm32_mdma_probe(struct platform_device *pdev) dd->device_resume = stm32_mdma_resume; dd->device_terminate_all = stm32_mdma_terminate_all; dd->device_synchronize = stm32_mdma_synchronize; + dd->descriptor_reuse = true; + dd->src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-01-27 8:54 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-27 8:53 [PATCH 0/6] STM32 MDMA driver fixes and improvements Amelie Delaunay 2020-01-27 8:53 ` Amelie Delaunay 2020-01-27 8:53 ` [PATCH 1/6] dmaengine: stm32-mdma: add suspend/resume power management support Amelie Delaunay 2020-01-27 8:53 ` Amelie Delaunay 2020-01-27 8:53 ` [PATCH 2/6] dmaengine: stm32-mdma: use reset controller only at probe time Amelie Delaunay 2020-01-27 8:53 ` Amelie Delaunay 2020-01-27 8:53 ` [PATCH 3/6] dmaengine: stm32-mdma: disable clock in case of error during probe Amelie Delaunay 2020-01-27 8:53 ` Amelie Delaunay 2020-01-27 8:53 ` [PATCH 4/6] dmaengine: stm32-mdma: driver defers probe for clock and reset Amelie Delaunay 2020-01-27 8:53 ` Amelie Delaunay 2020-01-27 8:53 ` Amelie Delaunay [this message] 2020-01-27 8:53 ` [PATCH 5/6] dmaengine: stm32-mdma: enable descriptor_reuse Amelie Delaunay 2020-01-27 8:53 ` [PATCH 6/6] dmaengine: stm32-mdma: use vchan_terminate_vdesc() in .terminate_all Amelie Delaunay 2020-01-27 8:53 ` Amelie Delaunay 2020-02-24 16:50 ` [PATCH 0/6] STM32 MDMA driver fixes and improvements Vinod Koul 2020-02-24 16:50 ` Vinod Koul
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