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staging: comedi: ni_stc.h: tidy up XXX_Status register and bits
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Fri, 1 May 2015 21:59:52 +0000 (14:59 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 9 May 2015 17:05:16 +0000 (19:05 +0200)
Rename the CamelCase. Use the BIT() macro to define the bits.

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>
drivers/staging/comedi/drivers/ni_mio_common.c
drivers/staging/comedi/drivers/ni_stc.h

index 518c033..b4a8a4c 100644 (file)
@@ -1248,7 +1248,7 @@ static void get_last_sample_611x(struct comedi_device *dev)
                return;
 
        /* Check if there's a single sample stuck in the FIFO */
-       if (ni_readb(dev, XXX_Status) & 0x80) {
+       if (ni_readb(dev, NI_E_STATUS_REG) & 0x80) {
                dl = ni_readl(dev, ADC_FIFO_Data_611x);
                data = dl & 0xffff;
                comedi_buf_write_samples(s, &data, 1);
@@ -1946,7 +1946,7 @@ static int ni_ai_insn_read(struct comedi_device *dev,
                        /* The 611x has screwy 32-bit FIFOs. */
                        d = 0;
                        for (i = 0; i < NI_TIMEOUT; i++) {
-                               if (ni_readb(dev, XXX_Status) & 0x80) {
+                               if (ni_readb(dev, NI_E_STATUS_REG) & 0x80) {
                                        d = ni_readl(dev, ADC_FIFO_Data_611x);
                                        d >>= 16;
                                        d &= 0xffff;
@@ -4258,7 +4258,8 @@ static int ni_read_eeprom(struct comedi_device *dev, int addr)
        for (bit = 0x80; bit; bit >>= 1) {
                ni_writeb(dev, 0x04, Serial_Command);
                ni_writeb(dev, 0x05, Serial_Command);
-               bitstring |= ((ni_readb(dev, XXX_Status) & PROMOUT) ? bit : 0);
+               if (ni_readb(dev, NI_E_STATUS_REG) & NI_E_STATUS_PROMOUT)
+                       bitstring |= bit;
        }
        ni_writeb(dev, 0x00, Serial_Command);
 
index ac9261a..643f3c2 100644 (file)
 #define NI_E_STC_WINDOW_ADDR_REG       0x00    /* rw16 */
 #define NI_E_STC_WINDOW_DATA_REG       0x02    /* rw16 */
 
-/* i/o port offsets */
+#define NI_E_STATUS_REG                        0x01    /* r8 */
+#define NI_E_STATUS_AI_FIFO_LOWER_NE   BIT(3)
+#define NI_E_STATUS_PROMOUT            BIT(0)
 
-/* 8 bit registers */
-#define XXX_Status                     0x01
-enum XXX_Status_Bits {
-       PROMOUT = 0x1,
-       AI_FIFO_LOWER_NOT_EMPTY = 0x8,
-};
 #define Serial_Command                 0x0d
 #define Misc_Command                   0x0f
 #define Port_A                         0x19