staging: comedi: ni_660x: remove enum ni_660x_register_direction

This enum is used to define the, unused, 'direction' of each register
in struct NI_660xRegisterData. Remove the unused member, as well as
the enum.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index dbbeb96..409a776 100644 (file)
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -158,12 +158,6 @@ enum ni_660x_register {
 
 #define NI660X_IO_CFG(x)       (NI660X_IO_CFG_0_1 + ((x) / 2))
 
-enum ni_660x_register_direction {
-       NI_660x_READ,
-       NI_660x_WRITE,
-       NI_660x_READ_WRITE
-};
-
 enum ni_660x_pfi_output_select {
        pfi_output_select_high_Z = 0,
        pfi_output_select_counter = 1,
@@ -182,109 +176,108 @@ static inline unsigned NI_660X_GPCT_SUBDEV(unsigned index)
 
 struct NI_660xRegisterData {
        int offset;             /*  Offset from base address from GPCT chip */
-       enum ni_660x_register_direction direction;
        char size;              /* 2 or 4 bytes */
 };
 
 static const struct NI_660xRegisterData registerData[NI660X_NUM_REGS] = {
-       [NI660X_G0_INT_ACK]             = { 0x004, NI_660x_WRITE, 2 },
-       [NI660X_G0_STATUS]              = { 0x004, NI_660x_READ, 2 },
-       [NI660X_G1_INT_ACK]             = { 0x006, NI_660x_WRITE, 2 },
-       [NI660X_G1_STATUS]              = { 0x006, NI_660x_READ, 2 },
-       [NI660X_G01_STATUS]             = { 0x008, NI_660x_READ, 2 },
-       [NI660X_G0_CMD]                 = { 0x00c, NI_660x_WRITE, 2 },
-       [NI660X_STC_DIO_PARALLEL_INPUT] = { 0x00e, NI_660x_READ, 2 },
-       [NI660X_G1_CMD]                 = { 0x00e, NI_660x_WRITE, 2 },
-       [NI660X_G0_HW_SAVE]             = { 0x010, NI_660x_READ, 4 },
-       [NI660X_G1_HW_SAVE]             = { 0x014, NI_660x_READ, 4 },
-       [NI660X_STC_DIO_OUTPUT]         = { 0x014, NI_660x_WRITE, 2 },
-       [NI660X_STC_DIO_CONTROL]        = { 0x016, NI_660x_WRITE, 2 },
-       [NI660X_G0_SW_SAVE]             = { 0x018, NI_660x_READ, 4 },
-       [NI660X_G1_SW_SAVE]             = { 0x01c, NI_660x_READ, 4 },
-       [NI660X_G0_MODE]                = { 0x034, NI_660x_WRITE, 2 },
-       [NI660X_G01_STATUS1]            = { 0x036, NI_660x_READ, 2 },
-       [NI660X_G1_MODE]                = { 0x036, NI_660x_WRITE, 2 },
-       [NI660X_STC_DIO_SERIAL_INPUT]   = { 0x038, NI_660x_READ, 2 },
-       [NI660X_G0_LOADA]               = { 0x038, NI_660x_WRITE, 4 },
-       [NI660X_G01_STATUS2]            = { 0x03a, NI_660x_READ, 2 },
-       [NI660X_G0_LOADB]               = { 0x03c, NI_660x_WRITE, 4 },
-       [NI660X_G1_LOADA]               = { 0x040, NI_660x_WRITE, 4 },
-       [NI660X_G1_LOADB]               = { 0x044, NI_660x_WRITE, 4 },
-       [NI660X_G0_INPUT_SEL]           = { 0x048, NI_660x_WRITE, 2 },
-       [NI660X_G1_INPUT_SEL]           = { 0x04a, NI_660x_WRITE, 2 },
-       [NI660X_G0_AUTO_INC]            = { 0x088, NI_660x_WRITE, 2 },
-       [NI660X_G1_AUTO_INC]            = { 0x08a, NI_660x_WRITE, 2 },
-       [NI660X_G01_RESET]              = { 0x090, NI_660x_WRITE, 2 },
-       [NI660X_G0_INT_ENA]             = { 0x092, NI_660x_WRITE, 2 },
-       [NI660X_G1_INT_ENA]             = { 0x096, NI_660x_WRITE, 2 },
-       [NI660X_G0_CNT_MODE]            = { 0x0b0, NI_660x_WRITE, 2 },
-       [NI660X_G1_CNT_MODE]            = { 0x0b2, NI_660x_WRITE, 2 },
-       [NI660X_G0_GATE2]               = { 0x0b4, NI_660x_WRITE, 2 },
-       [NI660X_G1_GATE2]               = { 0x0b6, NI_660x_WRITE, 2 },
-       [NI660X_G0_DMA_CFG]             = { 0x0b8, NI_660x_WRITE, 2 },
-       [NI660X_G0_DMA_STATUS]          = { 0x0b8, NI_660x_READ, 2 },
-       [NI660X_G1_DMA_CFG]             = { 0x0ba, NI_660x_WRITE, 2 },
-       [NI660X_G1_DMA_STATUS]          = { 0x0ba, NI_660x_READ, 2 },
-       [NI660X_G2_INT_ACK]             = { 0x104, NI_660x_WRITE, 2 },
-       [NI660X_G2_STATUS]              = { 0x104, NI_660x_READ, 2 },
-       [NI660X_G3_INT_ACK]             = { 0x106, NI_660x_WRITE, 2 },
-       [NI660X_G3_STATUS]              = { 0x106, NI_660x_READ, 2 },
-       [NI660X_G23_STATUS]             = { 0x108, NI_660x_READ, 2 },
-       [NI660X_G2_CMD]                 = { 0x10c, NI_660x_WRITE, 2 },
-       [NI660X_G3_CMD]                 = { 0x10e, NI_660x_WRITE, 2 },
-       [NI660X_G2_HW_SAVE]             = { 0x110, NI_660x_READ, 4 },
-       [NI660X_G3_HW_SAVE]             = { 0x114, NI_660x_READ, 4 },
-       [NI660X_G2_SW_SAVE]             = { 0x118, NI_660x_READ, 4 },
-       [NI660X_G3_SW_SAVE]             = { 0x11c, NI_660x_READ, 4 },
-       [NI660X_G2_MODE]                = { 0x134, NI_660x_WRITE, 2 },
-       [NI660X_G23_STATUS1]            = { 0x136, NI_660x_READ, 2 },
-       [NI660X_G3_MODE]                = { 0x136, NI_660x_WRITE, 2 },
-       [NI660X_G2_LOADA]               = { 0x138, NI_660x_WRITE, 4 },
-       [NI660X_G23_STATUS2]            = { 0x13a, NI_660x_READ, 2 },
-       [NI660X_G2_LOADB]               = { 0x13c, NI_660x_WRITE, 4 },
-       [NI660X_G3_LOADA]               = { 0x140, NI_660x_WRITE, 4 },
-       [NI660X_G3_LOADB]               = { 0x144, NI_660x_WRITE, 4 },
-       [NI660X_G2_INPUT_SEL]           = { 0x148, NI_660x_WRITE, 2 },
-       [NI660X_G3_INPUT_SEL]           = { 0x14a, NI_660x_WRITE, 2 },
-       [NI660X_G2_AUTO_INC]            = { 0x188, NI_660x_WRITE, 2 },
-       [NI660X_G3_AUTO_INC]            = { 0x18a, NI_660x_WRITE, 2 },
-       [NI660X_G23_RESET]              = { 0x190, NI_660x_WRITE, 2 },
-       [NI660X_G2_INT_ENA]             = { 0x192, NI_660x_WRITE, 2 },
-       [NI660X_G3_INT_ENA]             = { 0x196, NI_660x_WRITE, 2 },
-       [NI660X_G2_CNT_MODE]            = { 0x1b0, NI_660x_WRITE, 2 },
-       [NI660X_G3_CNT_MODE]            = { 0x1b2, NI_660x_WRITE, 2 },
-       [NI660X_G3_GATE2]               = { 0x1b6, NI_660x_WRITE, 2 },
-       [NI660X_G2_GATE2]               = { 0x1b4, NI_660x_WRITE, 2 },
-       [NI660X_G2_DMA_CFG]             = { 0x1b8, NI_660x_WRITE, 2 },
-       [NI660X_G2_DMA_STATUS]          = { 0x1b8, NI_660x_READ, 2 },
-       [NI660X_G3_DMA_CFG]             = { 0x1ba, NI_660x_WRITE, 2 },
-       [NI660X_G3_DMA_STATUS]          = { 0x1ba, NI_660x_READ, 2 },
-       [NI660X_DIO32_INPUT]            = { 0x414, NI_660x_READ, 4 },
-       [NI660X_DIO32_OUTPUT]           = { 0x510, NI_660x_WRITE, 4 },
-       [NI660X_CLK_CFG]                = { 0x73c, NI_660x_WRITE, 4 },
-       [NI660X_GLOBAL_INT_STATUS]      = { 0x754, NI_660x_READ, 4 },
-       [NI660X_DMA_CFG]                = { 0x76c, NI_660x_WRITE, 4 },
-       [NI660X_GLOBAL_INT_CFG]         = { 0x770, NI_660x_WRITE, 4 },
-       [NI660X_IO_CFG_0_1]             = { 0x77c, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_2_3]             = { 0x77e, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_4_5]             = { 0x780, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_6_7]             = { 0x782, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_8_9]             = { 0x784, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_10_11]           = { 0x786, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_12_13]           = { 0x788, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_14_15]           = { 0x78a, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_16_17]           = { 0x78c, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_18_19]           = { 0x78e, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_20_21]           = { 0x790, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_22_23]           = { 0x792, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_24_25]           = { 0x794, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_26_27]           = { 0x796, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_28_29]           = { 0x798, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_30_31]           = { 0x79a, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_32_33]           = { 0x79c, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_34_35]           = { 0x79e, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_36_37]           = { 0x7a0, NI_660x_READ_WRITE, 2 },
-       [NI660X_IO_CFG_38_39]           = { 0x7a2, NI_660x_READ_WRITE, 2 }
+       [NI660X_G0_INT_ACK]             = { 0x004, 2 }, /* write */
+       [NI660X_G0_STATUS]              = { 0x004, 2 }, /* read */
+       [NI660X_G1_INT_ACK]             = { 0x006, 2 }, /* write */
+       [NI660X_G1_STATUS]              = { 0x006, 2 }, /* read */
+       [NI660X_G01_STATUS]             = { 0x008, 2 }, /* read */
+       [NI660X_G0_CMD]                 = { 0x00c, 2 }, /* write */
+       [NI660X_STC_DIO_PARALLEL_INPUT] = { 0x00e, 2 }, /* read */
+       [NI660X_G1_CMD]                 = { 0x00e, 2 }, /* write */
+       [NI660X_G0_HW_SAVE]             = { 0x010, 4 }, /* read */
+       [NI660X_G1_HW_SAVE]             = { 0x014, 4 }, /* read */
+       [NI660X_STC_DIO_OUTPUT]         = { 0x014, 2 }, /* write */
+       [NI660X_STC_DIO_CONTROL]        = { 0x016, 2 }, /* write */
+       [NI660X_G0_SW_SAVE]             = { 0x018, 4 }, /* read */
+       [NI660X_G1_SW_SAVE]             = { 0x01c, 4 }, /* read */
+       [NI660X_G0_MODE]                = { 0x034, 2 }, /* write */
+       [NI660X_G01_STATUS1]            = { 0x036, 2 }, /* read */
+       [NI660X_G1_MODE]                = { 0x036, 2 }, /* write */
+       [NI660X_STC_DIO_SERIAL_INPUT]   = { 0x038, 2 }, /* read */
+       [NI660X_G0_LOADA]               = { 0x038, 4 }, /* write */
+       [NI660X_G01_STATUS2]            = { 0x03a, 2 }, /* read */
+       [NI660X_G0_LOADB]               = { 0x03c, 4 }, /* write */
+       [NI660X_G1_LOADA]               = { 0x040, 4 }, /* write */
+       [NI660X_G1_LOADB]               = { 0x044, 4 }, /* write */
+       [NI660X_G0_INPUT_SEL]           = { 0x048, 2 }, /* write */
+       [NI660X_G1_INPUT_SEL]           = { 0x04a, 2 }, /* write */
+       [NI660X_G0_AUTO_INC]            = { 0x088, 2 }, /* write */
+       [NI660X_G1_AUTO_INC]            = { 0x08a, 2 }, /* write */
+       [NI660X_G01_RESET]              = { 0x090, 2 }, /* write */
+       [NI660X_G0_INT_ENA]             = { 0x092, 2 }, /* write */
+       [NI660X_G1_INT_ENA]             = { 0x096, 2 }, /* write */
+       [NI660X_G0_CNT_MODE]            = { 0x0b0, 2 }, /* write */
+       [NI660X_G1_CNT_MODE]            = { 0x0b2, 2 }, /* write */
+       [NI660X_G0_GATE2]               = { 0x0b4, 2 }, /* write */
+       [NI660X_G1_GATE2]               = { 0x0b6, 2 }, /* write */
+       [NI660X_G0_DMA_CFG]             = { 0x0b8, 2 }, /* write */
+       [NI660X_G0_DMA_STATUS]          = { 0x0b8, 2 }, /* read */
+       [NI660X_G1_DMA_CFG]             = { 0x0ba, 2 }, /* write */
+       [NI660X_G1_DMA_STATUS]          = { 0x0ba, 2 }, /* read */
+       [NI660X_G2_INT_ACK]             = { 0x104, 2 }, /* write */
+       [NI660X_G2_STATUS]              = { 0x104, 2 }, /* read */
+       [NI660X_G3_INT_ACK]             = { 0x106, 2 }, /* write */
+       [NI660X_G3_STATUS]              = { 0x106, 2 }, /* read */
+       [NI660X_G23_STATUS]             = { 0x108, 2 }, /* read */
+       [NI660X_G2_CMD]                 = { 0x10c, 2 }, /* write */
+       [NI660X_G3_CMD]                 = { 0x10e, 2 }, /* write */
+       [NI660X_G2_HW_SAVE]             = { 0x110, 4 }, /* read */
+       [NI660X_G3_HW_SAVE]             = { 0x114, 4 }, /* read */
+       [NI660X_G2_SW_SAVE]             = { 0x118, 4 }, /* read */
+       [NI660X_G3_SW_SAVE]             = { 0x11c, 4 }, /* read */
+       [NI660X_G2_MODE]                = { 0x134, 2 }, /* write */
+       [NI660X_G23_STATUS1]            = { 0x136, 2 }, /* read */
+       [NI660X_G3_MODE]                = { 0x136, 2 }, /* write */
+       [NI660X_G2_LOADA]               = { 0x138, 4 }, /* write */
+       [NI660X_G23_STATUS2]            = { 0x13a, 2 }, /* read */
+       [NI660X_G2_LOADB]               = { 0x13c, 4 }, /* write */
+       [NI660X_G3_LOADA]               = { 0x140, 4 }, /* write */
+       [NI660X_G3_LOADB]               = { 0x144, 4 }, /* write */
+       [NI660X_G2_INPUT_SEL]           = { 0x148, 2 }, /* write */
+       [NI660X_G3_INPUT_SEL]           = { 0x14a, 2 }, /* write */
+       [NI660X_G2_AUTO_INC]            = { 0x188, 2 }, /* write */
+       [NI660X_G3_AUTO_INC]            = { 0x18a, 2 }, /* write */
+       [NI660X_G23_RESET]              = { 0x190, 2 }, /* write */
+       [NI660X_G2_INT_ENA]             = { 0x192, 2 }, /* write */
+       [NI660X_G3_INT_ENA]             = { 0x196, 2 }, /* write */
+       [NI660X_G2_CNT_MODE]            = { 0x1b0, 2 }, /* write */
+       [NI660X_G3_CNT_MODE]            = { 0x1b2, 2 }, /* write */
+       [NI660X_G3_GATE2]               = { 0x1b6, 2 }, /* write */
+       [NI660X_G2_GATE2]               = { 0x1b4, 2 }, /* write */
+       [NI660X_G2_DMA_CFG]             = { 0x1b8, 2 }, /* write */
+       [NI660X_G2_DMA_STATUS]          = { 0x1b8, 2 }, /* read */
+       [NI660X_G3_DMA_CFG]             = { 0x1ba, 2 }, /* write */
+       [NI660X_G3_DMA_STATUS]          = { 0x1ba, 2 }, /* read */
+       [NI660X_DIO32_INPUT]            = { 0x414, 4 }, /* read */
+       [NI660X_DIO32_OUTPUT]           = { 0x510, 4 }, /* write */
+       [NI660X_CLK_CFG]                = { 0x73c, 4 }, /* write */
+       [NI660X_GLOBAL_INT_STATUS]      = { 0x754, 4 }, /* read */
+       [NI660X_DMA_CFG]                = { 0x76c, 4 }, /* write */
+       [NI660X_GLOBAL_INT_CFG]         = { 0x770, 4 }, /* write */
+       [NI660X_IO_CFG_0_1]             = { 0x77c, 2 }, /* read/write */
+       [NI660X_IO_CFG_2_3]             = { 0x77e, 2 }, /* read/write */
+       [NI660X_IO_CFG_4_5]             = { 0x780, 2 }, /* read/write */
+       [NI660X_IO_CFG_6_7]             = { 0x782, 2 }, /* read/write */
+       [NI660X_IO_CFG_8_9]             = { 0x784, 2 }, /* read/write */
+       [NI660X_IO_CFG_10_11]           = { 0x786, 2 }, /* read/write */
+       [NI660X_IO_CFG_12_13]           = { 0x788, 2 }, /* read/write */
+       [NI660X_IO_CFG_14_15]           = { 0x78a, 2 }, /* read/write */
+       [NI660X_IO_CFG_16_17]           = { 0x78c, 2 }, /* read/write */
+       [NI660X_IO_CFG_18_19]           = { 0x78e, 2 }, /* read/write */
+       [NI660X_IO_CFG_20_21]           = { 0x790, 2 }, /* read/write */
+       [NI660X_IO_CFG_22_23]           = { 0x792, 2 }, /* read/write */
+       [NI660X_IO_CFG_24_25]           = { 0x794, 2 }, /* read/write */
+       [NI660X_IO_CFG_26_27]           = { 0x796, 2 }, /* read/write */
+       [NI660X_IO_CFG_28_29]           = { 0x798, 2 }, /* read/write */
+       [NI660X_IO_CFG_30_31]           = { 0x79a, 2 }, /* read/write */
+       [NI660X_IO_CFG_32_33]           = { 0x79c, 2 }, /* read/write */
+       [NI660X_IO_CFG_34_35]           = { 0x79e, 2 }, /* read/write */
+       [NI660X_IO_CFG_36_37]           = { 0x7a0, 2 }, /* read/write */
+       [NI660X_IO_CFG_38_39]           = { 0x7a2, 2 }  /* read/write */
 };
 
 /* kind of ENABLE for the second counter */