staging: comedi: ni_tio_internal.h: replace NITIO_Gi_DMA_Status_Reg()

The "DMA Status" registers are sequential in the enum ni_gpct_register.
Replace this inline CamelCase function with a simple define.

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_tio_internal.h b/drivers/staging/comedi/drivers/ni_tio_internal.h
index 2a4ae57..cac996b 100644 (file)
--- a/drivers/staging/comedi/drivers/ni_tio_internal.h
+++ b/drivers/staging/comedi/drivers/ni_tio_internal.h
@@ -35,21 +35,7 @@
 #define NITIO_STATUS1_REG(x)           (NITIO_G01_STATUS1 + ((x) / 2))
 #define NITIO_STATUS2_REG(x)           (NITIO_G01_STATUS2 + ((x) / 2))
 #define NITIO_DMA_CFG_REG(x)           (NITIO_G0_DMA_CFG + (x))
-
-static inline enum ni_gpct_register NITIO_Gi_DMA_Status_Reg(unsigned idx)
-{
-       switch (idx) {
-       case 0:
-               return NITIO_G0_DMA_STATUS;
-       case 1:
-               return NITIO_G1_DMA_STATUS;
-       case 2:
-               return NITIO_G2_DMA_STATUS;
-       case 3:
-               return NITIO_G3_DMA_STATUS;
-       }
-       return 0;
-}
+#define NITIO_DMA_STATUS_REG(x)                (NITIO_G0_DMA_STATUS + (x))
 
 static inline enum ni_gpct_register NITIO_Gi_ABZ_Reg(unsigned idx)
 {

diff --git a/drivers/staging/comedi/drivers/ni_tiocmd.c b/drivers/staging/comedi/drivers/ni_tiocmd.c
index 68ffa74..e43dd17 100644 (file)
--- a/drivers/staging/comedi/drivers/ni_tiocmd.c
+++ b/drivers/staging/comedi/drivers/ni_tiocmd.c
@@ -443,7 +443,7 @@ void ni_tio_handle_interrupt(struct ni_gpct *counter,
        case ni_gpct_variant_m_series:
        case ni_gpct_variant_660x:
                if (read_register(counter,
-                               NITIO_Gi_DMA_Status_Reg
+                               NITIO_DMA_STATUS_REG
                                (counter->counter_index)) & Gi_DRQ_Error_Bit) {
                        dev_notice(counter->counter_dev->dev->class_dev,
                                   "%s: Gi_DRQ_Error detected.\n", __func__);