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authorMark Brown <broonie@kernel.org>2015-03-17 19:25:36 -0400
committerVinod Koul <vinod.koul@intel.com>2015-03-18 12:04:29 -0400
commitea524c7e3d3c031cf095c04bc93af42fa3d308fd (patch)
tree95ed0db19b88fd349001d8fbd98df99855b5296c
parenta104a45ba7a51b5b4c5e8437020d9d48edf22f89 (diff)
dmaengine: pl08x: Define capabilities for generic capabilities reporting
Ensure that clients can automatically configure themselves and avoid a nasty warning at boot by providing capability information. Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
-rw-r--r--drivers/dma/amba-pl08x.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 4a5fd245014e..83aa55d6fa5d 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -97,6 +97,12 @@
97 97
98#define DRIVER_NAME "pl08xdmac" 98#define DRIVER_NAME "pl08xdmac"
99 99
100#define PL80X_DMA_BUSWIDTHS \
101 BIT(DMA_SLAVE_BUSWIDTH_UNDEFINED) | \
102 BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \
103 BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \
104 BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)
105
100static struct amba_driver pl08x_amba_driver; 106static struct amba_driver pl08x_amba_driver;
101struct pl08x_driver_data; 107struct pl08x_driver_data;
102 108
@@ -2070,6 +2076,10 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id)
2070 pl08x->memcpy.device_pause = pl08x_pause; 2076 pl08x->memcpy.device_pause = pl08x_pause;
2071 pl08x->memcpy.device_resume = pl08x_resume; 2077 pl08x->memcpy.device_resume = pl08x_resume;
2072 pl08x->memcpy.device_terminate_all = pl08x_terminate_all; 2078 pl08x->memcpy.device_terminate_all = pl08x_terminate_all;
2079 pl08x->memcpy.src_addr_widths = PL80X_DMA_BUSWIDTHS;
2080 pl08x->memcpy.dst_addr_widths = PL80X_DMA_BUSWIDTHS;
2081 pl08x->memcpy.directions = BIT(DMA_MEM_TO_MEM);
2082 pl08x->memcpy.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
2073 2083
2074 /* Initialize slave engine */ 2084 /* Initialize slave engine */
2075 dma_cap_set(DMA_SLAVE, pl08x->slave.cap_mask); 2085 dma_cap_set(DMA_SLAVE, pl08x->slave.cap_mask);
@@ -2086,6 +2096,10 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id)
2086 pl08x->slave.device_pause = pl08x_pause; 2096 pl08x->slave.device_pause = pl08x_pause;
2087 pl08x->slave.device_resume = pl08x_resume; 2097 pl08x->slave.device_resume = pl08x_resume;
2088 pl08x->slave.device_terminate_all = pl08x_terminate_all; 2098 pl08x->slave.device_terminate_all = pl08x_terminate_all;
2099 pl08x->slave.src_addr_widths = PL80X_DMA_BUSWIDTHS;
2100 pl08x->slave.dst_addr_widths = PL80X_DMA_BUSWIDTHS;
2101 pl08x->slave.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
2102 pl08x->slave.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
2089 2103
2090 /* Get the platform data */ 2104 /* Get the platform data */
2091 pl08x->pd = dev_get_platdata(&adev->dev); 2105 pl08x->pd = dev_get_platdata(&adev->dev);