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authorLinus Torvalds <torvalds@linux-foundation.org>2019-03-14 09:11:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-14 09:11:54 -0700
commit31ef489a026ef2c07383ef336dc9b6601c7b9b93 (patch)
tree8affbd89d8df2473b5338e020d4ae34b32a62973 /include
parent2f194646fecaa9fd4607b670ee9ef84d9ed04566 (diff)
parentfeb59d77a46d5df93864471ca926b6701479091b (diff)
downloadlinux-31ef489a026ef2c07383ef336dc9b6601c7b9b93.tar.bz2
Merge tag 'dmaengine-5.1-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul: - dmatest updates for modularizing common struct and code - remove SG support for VDMA xilinx IP and updates to driver - Update to dw driver to support Intel iDMA controllers multi-block support - tegra updates for proper reporting of residue - Add Snow Ridge ioatdma device id and support for IOATDMA v3.4 - struct_size() usage and useless LIST_HEAD cleanups in subsystem. - qDMA controller driver for Layerscape SoCs - stm32-dma PM Runtime support - And usual updates to imx-sdma, sprd, Documentation, fsl-edma, bcm2835, qcom_hidma etc * tag 'dmaengine-5.1-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (81 commits) dmaengine: imx-sdma: fix consistent dma test failures dmaengine: imx-sdma: add a test for imx8mq multi sdma devices dmaengine: imx-sdma: add clock ratio 1:1 check dmaengine: dmatest: move test data alloc & free into functions dmaengine: dmatest: add short-hand `buf_size` var in dmatest_func() dmaengine: dmatest: wrap src & dst data into a struct dmaengine: ioatdma: support latency tolerance report (LTR) for v3.4 dmaengine: ioatdma: add descriptor pre-fetch support for v3.4 dmaengine: ioatdma: disable DCA enabling on IOATDMA v3.4 dmaengine: ioatdma: Add Snow Ridge ioatdma device id dmaengine: sprd: Change channel id to slave id for DMA cell specifier dt-bindings: dmaengine: sprd: Change channel id to slave id for DMA cell specifier dmaengine: mv_xor: Use correct device for DMA API Documentation :dmaengine: clarify DMA desc. pointer after submission Documentation: dmaengine: fix dmatest.rst warning dmaengine: k3dma: Add support for dma-channel-mask dmaengine: k3dma: Delete axi_config dmaengine: k3dma: Upgrade k3dma driver to support hisi_asp_dma hardware Documentation: bindings: dma: Add binding for dma-channel-mask Documentation: bindings: k3dma: Extend the k3dma driver binding to support hisi-asp ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/dma/dw.h9
-rw-r--r--include/linux/platform_data/dma-dw.h12
-rw-r--r--include/linux/platform_data/dma-imx.h1
-rw-r--r--include/trace/events/tegra_apb_dma.h61
4 files changed, 68 insertions, 15 deletions
diff --git a/include/linux/dma/dw.h b/include/linux/dma/dw.h
index e166cac8e870..9752f3745f76 100644
--- a/include/linux/dma/dw.h
+++ b/include/linux/dma/dw.h
@@ -1,13 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Driver for the Synopsys DesignWare DMA Controller
*
* Copyright (C) 2007 Atmel Corporation
* Copyright (C) 2010-2011 ST Microelectronics
* Copyright (C) 2014 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef _DMA_DW_H
#define _DMA_DW_H
@@ -45,9 +42,13 @@ struct dw_dma_chip {
#if IS_ENABLED(CONFIG_DW_DMAC_CORE)
int dw_dma_probe(struct dw_dma_chip *chip);
int dw_dma_remove(struct dw_dma_chip *chip);
+int idma32_dma_probe(struct dw_dma_chip *chip);
+int idma32_dma_remove(struct dw_dma_chip *chip);
#else
static inline int dw_dma_probe(struct dw_dma_chip *chip) { return -ENODEV; }
static inline int dw_dma_remove(struct dw_dma_chip *chip) { return 0; }
+static inline int idma32_dma_probe(struct dw_dma_chip *chip) { return -ENODEV; }
+static inline int idma32_dma_remove(struct dw_dma_chip *chip) { return 0; }
#endif /* CONFIG_DW_DMAC_CORE */
#endif /* _DMA_DW_H */
diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h
index 1a1d58ebffbf..f3eaf9ec00a1 100644
--- a/include/linux/platform_data/dma-dw.h
+++ b/include/linux/platform_data/dma-dw.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Driver for the Synopsys DesignWare DMA Controller
*
* Copyright (C) 2007 Atmel Corporation
* Copyright (C) 2010-2011 ST Microelectronics
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef _PLATFORM_DATA_DMA_DW_H
#define _PLATFORM_DATA_DMA_DW_H
@@ -38,10 +35,6 @@ struct dw_dma_slave {
/**
* struct dw_dma_platform_data - Controller configuration parameters
* @nr_channels: Number of channels supported by hardware (max 8)
- * @is_private: The device channels should be marked as private and not for
- * by the general purpose DMA channel allocator.
- * @is_memcpy: The device channels do support memory-to-memory transfers.
- * @is_idma32: The type of the DMA controller is iDMA32
* @chan_allocation_order: Allocate channels starting from 0 or 7
* @chan_priority: Set channel priority increasing from 0 to 7 or 7 to 0.
* @block_size: Maximum block size supported by the controller
@@ -53,9 +46,6 @@ struct dw_dma_slave {
*/
struct dw_dma_platform_data {
unsigned int nr_channels;
- bool is_private;
- bool is_memcpy;
- bool is_idma32;
#define CHAN_ALLOCATION_ASCENDING 0 /* zero to seven */
#define CHAN_ALLOCATION_DESCENDING 1 /* seven to zero */
unsigned char chan_allocation_order;
diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h
index 7d964e787299..9daea8d42a10 100644
--- a/include/linux/platform_data/dma-imx.h
+++ b/include/linux/platform_data/dma-imx.h
@@ -55,6 +55,7 @@ struct imx_dma_data {
int dma_request2; /* secondary DMA request line */
enum sdma_peripheral_type peripheral_type;
int priority;
+ struct device_node *of_node;
};
static inline int imx_dma_is_ipu(struct dma_chan *chan)
diff --git a/include/trace/events/tegra_apb_dma.h b/include/trace/events/tegra_apb_dma.h
new file mode 100644
index 000000000000..0818f6286110
--- /dev/null
+++ b/include/trace/events/tegra_apb_dma.h
@@ -0,0 +1,61 @@
+#if !defined(_TRACE_TEGRA_APB_DMA_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_TEGRA_APM_DMA_H
+
+#include <linux/tracepoint.h>
+#include <linux/dmaengine.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM tegra_apb_dma
+
+TRACE_EVENT(tegra_dma_tx_status,
+ TP_PROTO(struct dma_chan *dc, dma_cookie_t cookie, struct dma_tx_state *state),
+ TP_ARGS(dc, cookie, state),
+ TP_STRUCT__entry(
+ __string(chan, dev_name(&dc->dev->device))
+ __field(dma_cookie_t, cookie)
+ __field(__u32, residue)
+ ),
+ TP_fast_assign(
+ __assign_str(chan, dev_name(&dc->dev->device));
+ __entry->cookie = cookie;
+ __entry->residue = state ? state->residue : (u32)-1;
+ ),
+ TP_printk("channel %s: dma cookie %d, residue %u",
+ __get_str(chan), __entry->cookie, __entry->residue)
+);
+
+TRACE_EVENT(tegra_dma_complete_cb,
+ TP_PROTO(struct dma_chan *dc, int count, void *ptr),
+ TP_ARGS(dc, count, ptr),
+ TP_STRUCT__entry(
+ __string(chan, dev_name(&dc->dev->device))
+ __field(int, count)
+ __field(void *, ptr)
+ ),
+ TP_fast_assign(
+ __assign_str(chan, dev_name(&dc->dev->device));
+ __entry->count = count;
+ __entry->ptr = ptr;
+ ),
+ TP_printk("channel %s: done %d, ptr %p",
+ __get_str(chan), __entry->count, __entry->ptr)
+);
+
+TRACE_EVENT(tegra_dma_isr,
+ TP_PROTO(struct dma_chan *dc, int irq),
+ TP_ARGS(dc, irq),
+ TP_STRUCT__entry(
+ __string(chan, dev_name(&dc->dev->device))
+ __field(int, irq)
+ ),
+ TP_fast_assign(
+ __assign_str(chan, dev_name(&dc->dev->device));
+ __entry->irq = irq;
+ ),
+ TP_printk("%s: irq %d\n", __get_str(chan), __entry->irq)
+);
+
+#endif /* _TRACE_TEGRADMA_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>