Merge tag 'dmaengine-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "New support / Core:

   - Remove DMA_MEMCPY_SG for lack of users

   - Tegra 234 dmaengine support

   - Mediatek MT8365 dma support

   - Apple ADMAC driver

  Updates:

   - Yaml conversion for ST-Ericsson DMA40 binding and Freescale edma

   - rz-dmac updates and device_synchronize support

   - Bunch of typo in comments fixes in drivers

   - multithread support in sf-pdma driver"

* tag 'dmaengine-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (50 commits)
  dmaengine: mediatek: mtk-hsdma: Fix typo 'the the' in comment
  dmaengine: axi-dmac: check cache coherency register
  dmaengine: sh: rz-dmac: Add device_synchronize callback
  dmaengine: sprd: Cleanup in .remove() after pm_runtime_get_sync() failed
  dmaengine: tegra: Add terminate() for Tegra234
  dt-bindings: dmaengine: Add compatible for Tegra234
  dmaengine: xilinx: use strscpy to replace strlcpy
  dmaengine: imx-sdma: Add FIFO stride support for multi FIFO script
  dmaengine: idxd: Correct IAX operation code names
  dmaengine: imx-dma: Cast of_device_get_match_data() with (uintptr_t)
  dmaengine: dw-axi-dmac: ignore interrupt if no descriptor
  dmaengine: dw-axi-dmac: do not print NULL LLI during error
  dmaengine: altera-msgdma: Fixed some inconsistent function name descriptions
  dmaengine: imx-sdma: Add missing struct documentation
  dmaengine: sf-pdma: Add multithread support for a DMA channel
  dt-bindings: dma: dw-axi-dmac: extend the number of interrupts
  dmaengine: dmatest: use strscpy to replace strlcpy
  dmaengine: ste_dma40: fix typo in comment
  dmaengine: jz4780: fix typo in comment
  dmaengine: s3c24xx: fix typo in comment
  ...

1 files changed, 24 insertions, 2 deletions

diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c
index 05cd451f541d..fa9bda4a2bc6 100644
--- a/drivers/dma/tegra186-gpc-dma.c
+++ b/drivers/dma/tegra186-gpc-dma.c
@@ -157,8 +157,8 @@
  * If any burst is in flight and DMA paused then this is the time to complete
  * on-flight burst and update DMA status register.
  */
-#define TEGRA_GPCDMA_BURST_COMPLETE_TIME	20
-#define TEGRA_GPCDMA_BURST_COMPLETION_TIMEOUT	100
+#define TEGRA_GPCDMA_BURST_COMPLETE_TIME	10
+#define TEGRA_GPCDMA_BURST_COMPLETION_TIMEOUT	5000 /* 5 msec */
 
 /* Channel base address offset from GPCDMA base address */
 #define TEGRA_GPCDMA_CHANNEL_BASE_ADD_OFFSET	0x20000
@@ -432,6 +432,17 @@ static int tegra_dma_device_resume(struct dma_chan *dc)
 	return 0;
 }
 
+static inline int tegra_dma_pause_noerr(struct tegra_dma_channel *tdc)
+{
+	/* Return 0 irrespective of PAUSE status.
+	 * This is useful to recover channels that can exit out of flush
+	 * state when the channel is disabled.
+	 */
+
+	tegra_dma_pause(tdc);
+	return 0;
+}
+
 static void tegra_dma_disable(struct tegra_dma_channel *tdc)
 {
 	u32 csr, status;
@@ -1292,6 +1303,14 @@ static const struct tegra_dma_chip_data tegra194_dma_chip_data = {
 	.terminate = tegra_dma_pause,
 };
 
+static const struct tegra_dma_chip_data tegra234_dma_chip_data = {
+	.nr_channels = 31,
+	.channel_reg_size = SZ_64K,
+	.max_dma_count = SZ_1G,
+	.hw_support_pause = true,
+	.terminate = tegra_dma_pause_noerr,
+};
+
 static const struct of_device_id tegra_dma_of_match[] = {
 	{
 		.compatible = "nvidia,tegra186-gpcdma",
@@ -1300,6 +1319,9 @@ static const struct of_device_id tegra_dma_of_match[] = {
 		.compatible = "nvidia,tegra194-gpcdma",
 		.data = &tegra194_dma_chip_data,
 	}, {
+		.compatible = "nvidia,tegra234-gpcdma",
+		.data = &tegra234_dma_chip_data,
+	}, {
 	},
 };
 MODULE_DEVICE_TABLE(of, tegra_dma_of_match);