staging: comedi: s626: remove I2CR and I2CW macros
authorIan Abbott <abbotti@mev.co.uk>
Tue, 8 Oct 2013 18:06:22 +0000 (19:06 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 11 Oct 2013 22:34:19 +0000 (15:34 -0700)
The `I2CR` and `I2CW` macros expand to the I2C read and write addresses,
respectively.  They are only used in one place each and include the name
of a local variable `devpriv` in their expansion.

Get rid of the macros and expand them in place.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/s626.c
drivers/staging/comedi/drivers/s626.h

index 58f2208bf56a3d78708099130aa933c073c3d406..443e954719cfea39164fb11b15bfe5ab4c1212c2 100644 (file)
@@ -309,7 +309,7 @@ static uint8_t I2Cread(struct comedi_device *dev, uint8_t addr)
         *  Byte1 = EEPROM internal target address.
         *  Byte0 = Not sent.
         */
-       if (I2Chandshake(dev, I2C_B2(I2C_ATTRSTART, I2CW) |
+       if (I2Chandshake(dev, I2C_B2(I2C_ATTRSTART, devpriv->I2CAdrs) |
                              I2C_B1(I2C_ATTRSTOP, addr) |
                              I2C_B0(I2C_ATTRNOP, 0)))
                /* Abort function and declare error if handshake failed. */
@@ -321,7 +321,7 @@ static uint8_t I2Cread(struct comedi_device *dev, uint8_t addr)
         *  Byte1 receives uint8_t from EEPROM.
         *  Byte0 = Not sent.
         */
-       if (I2Chandshake(dev, I2C_B2(I2C_ATTRSTART, I2CR) |
+       if (I2Chandshake(dev, I2C_B2(I2C_ATTRSTART, (devpriv->I2CAdrs | 1)) |
                              I2C_B1(I2C_ATTRSTOP, 0) |
                              I2C_B0(I2C_ATTRNOP, 0)))
                /* Abort function and declare error if handshake failed. */
index f7ed4af51a9568972c07b7319e825016dd37eb3b..939b3592bfcd13257a01d31fa42d11a37156f277 100644 (file)
 #define I2C_ATTRSTOP           0x1     /* I2C attribute STOP. */
 #define I2C_ATTRNOP            0x0     /* I2C attribute NOP. */
 
-/* I2C read command  | EEPROM address. */
-#define I2CR                   (devpriv->I2CAdrs | 1)
-
-/* I2C write command | EEPROM address. */
-#define I2CW                   (devpriv->I2CAdrs)
-
 /* Code macros used for constructing I2C command bytes. */
 #define I2C_B2(ATTR, VAL)      (((ATTR) << 6) | ((VAL) << 24))
 #define I2C_B1(ATTR, VAL)      (((ATTR) << 4) | ((VAL) << 16))