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dmaengine/dw_dmac: Remove unused fields in struct dw_dma_slave

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Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Viresh Kumar 2012-02-01 16:12:28 +05:30 • committed by Vinod Koul
parent e2b35f3dbf
commit a1c4601679
2 changed files with 12 additions and 38 deletions
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12
drivers/dma/dw_dmac_regs.h
View file

@ -13,6 +13,18 @@
#define DW_DMA_MAX_NR_CHANNELS 8 #define DW_DMA_MAX_NR_CHANNELS 8
/* flow controller */
enum dw_dma_fc {
DW_DMA_FC_D_M2M,
DW_DMA_FC_D_M2P,
DW_DMA_FC_D_P2M,
DW_DMA_FC_D_P2P,
DW_DMA_FC_P_P2M,
DW_DMA_FC_SP_P2P,
DW_DMA_FC_P_M2P,
DW_DMA_FC_DP_P2P,
};
/* /*
* Redefine this macro to handle differences between 32- and 64-bit * Redefine this macro to handle differences between 32- and 64-bit
* addressing, big vs. little endian, etc. * addressing, big vs. little endian, etc.

38
include/linux/dw_dmac.h
View file

@ -31,18 +31,6 @@ struct dw_dma_platform_data {
unsigned char chan_priority; unsigned char chan_priority;
}; };
/**
* enum dw_dma_slave_width - DMA slave register access width.
* @DMA_SLAVE_WIDTH_8BIT: Do 8-bit slave register accesses
* @DMA_SLAVE_WIDTH_16BIT: Do 16-bit slave register accesses
* @DMA_SLAVE_WIDTH_32BIT: Do 32-bit slave register accesses
*/
enum dw_dma_slave_width {
DW_DMA_SLAVE_WIDTH_8BIT,
DW_DMA_SLAVE_WIDTH_16BIT,
DW_DMA_SLAVE_WIDTH_32BIT,
};
/* bursts size */ /* bursts size */
enum dw_dma_msize { enum dw_dma_msize {
DW_DMA_MSIZE_1, DW_DMA_MSIZE_1,
@ -55,47 +43,21 @@ enum dw_dma_msize {
DW_DMA_MSIZE_256, DW_DMA_MSIZE_256,
}; };
/* flow controller */
enum dw_dma_fc {
DW_DMA_FC_D_M2M,
DW_DMA_FC_D_M2P,
DW_DMA_FC_D_P2M,
DW_DMA_FC_D_P2P,
DW_DMA_FC_P_P2M,
DW_DMA_FC_SP_P2P,
DW_DMA_FC_P_M2P,
DW_DMA_FC_DP_P2P,
};
/** /**
* struct dw_dma_slave - Controller-specific information about a slave * struct dw_dma_slave - Controller-specific information about a slave
* *
* @dma_dev: required DMA master device * @dma_dev: required DMA master device
* @tx_reg: physical address of data register used for
* memory-to-peripheral transfers
* @rx_reg: physical address of data register used for
* peripheral-to-memory transfers
* @reg_width: peripheral register width
* @cfg_hi: Platform-specific initializer for the CFG_HI register * @cfg_hi: Platform-specific initializer for the CFG_HI register
* @cfg_lo: Platform-specific initializer for the CFG_LO register * @cfg_lo: Platform-specific initializer for the CFG_LO register
* @src_master: src master for transfers on allocated channel. * @src_master: src master for transfers on allocated channel.
* @dst_master: dest master for transfers on allocated channel. * @dst_master: dest master for transfers on allocated channel.
* @src_msize: src burst size.
* @dst_msize: dest burst size.
* @fc: flow controller for DMA transfer
*/ */
struct dw_dma_slave { struct dw_dma_slave {
struct device *dma_dev; struct device *dma_dev;
dma_addr_t tx_reg;
dma_addr_t rx_reg;
enum dw_dma_slave_width reg_width;
u32 cfg_hi; u32 cfg_hi;
u32 cfg_lo; u32 cfg_lo;
u8 src_master; u8 src_master;
u8 dst_master; u8 dst_master;
u8 src_msize;
u8 dst_msize;
u8 fc;
}; };
/* Platform-configurable bits in CFG_HI */ /* Platform-configurable bits in CFG_HI */