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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-01-07 13:07:38 +0200
committerVinod Koul <vkoul@kernel.org>2019-01-07 17:57:13 +0530
commit69da8be90d5e85e60b5377c47384154b9dabf592 (patch)
treeb83e230892a29f80ff1619823a5f1275375b199c /include
parent078165779608873e7b6eae1316a39c73af9f3edc (diff)
dmaengine: dw: Split DW and iDMA 32-bit operations
Here is a kinda big refactoring that should have been done in the first place, when Intel iDMA 32-bit support appeared. It splits operations which are different to Synopsys DesignWare and Intel iDMA 32-bit controllers. No functional change intended. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/dma/dw.h4
-rw-r--r--include/linux/platform_data/dma-dw.h2
2 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/dma/dw.h b/include/linux/dma/dw.h
index e166cac8e870..d643d331c20e 100644
--- a/include/linux/dma/dw.h
+++ b/include/linux/dma/dw.h
@@ -45,9 +45,13 @@ 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 1c85eeee4171..576048433809 100644
--- a/include/linux/platform_data/dma-dw.h
+++ b/include/linux/platform_data/dma-dw.h
@@ -38,7 +38,6 @@ struct dw_dma_slave {
/**
* struct dw_dma_platform_data - Controller configuration parameters
* @nr_channels: Number of channels supported by hardware (max 8)
- * @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
@@ -50,7 +49,6 @@ struct dw_dma_slave {
*/
struct dw_dma_platform_data {
unsigned int nr_channels;
- bool is_idma32;
#define CHAN_ALLOCATION_ASCENDING 0 /* zero to seven */
#define CHAN_ALLOCATION_DESCENDING 1 /* seven to zero */
unsigned char chan_allocation_order;