[PATCH 08/19] staging: comedi: ni_tio: tidy up Gxx_Status_Bits

H Hartley Sweeten hsweeten at visionengravers.com
Mon Jul 28 17:26:53 UTC 2014


Convert this enum into defines and rename the CamelCase symbols.

For aesthetics, move the new defines so they are associated with
the register define.

Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 drivers/staging/comedi/drivers/ni_tio.c          |  6 +--
 drivers/staging/comedi/drivers/ni_tio_internal.h | 69 +++---------------------
 drivers/staging/comedi/drivers/ni_tiocmd.c       |  6 +--
 3 files changed, 14 insertions(+), 67 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ni_tio.c b/drivers/staging/comedi/drivers/ni_tio.c
index 1536412..ccdf96e 100644
--- a/drivers/staging/comedi/drivers/ni_tio.c
+++ b/drivers/staging/comedi/drivers/ni_tio.c
@@ -1200,9 +1200,9 @@ int ni_tio_insn_config(struct comedi_device *dev,
 	case INSN_CONFIG_GET_COUNTER_STATUS:
 		data[1] = 0;
 		status = read_register(counter, NITIO_SHARED_STATUS_REG(cidx));
-		if (status & Gi_Armed_Bit(cidx)) {
+		if (status & GI_ARMED(cidx)) {
 			data[1] |= COMEDI_COUNTER_ARMED;
-			if (status & Gi_Counting_Bit(cidx))
+			if (status & GI_COUNTING(cidx))
 				data[1] |= COMEDI_COUNTER_COUNTING;
 		}
 		data[2] = COMEDI_COUNTER_ARMED | COMEDI_COUNTER_COUNTING;
@@ -1289,7 +1289,7 @@ static unsigned ni_tio_next_load_register(struct ni_gpct *counter)
 	const unsigned bits =
 		read_register(counter, NITIO_SHARED_STATUS_REG(cidx));
 
-	return (bits & Gi_Next_Load_Source_Bit(cidx))
+	return (bits & GI_NEXT_LOAD_SRC(cidx))
 			? NITIO_LOADB_REG(cidx)
 			: NITIO_LOADA_REG(cidx);
 }
diff --git a/drivers/staging/comedi/drivers/ni_tio_internal.h b/drivers/staging/comedi/drivers/ni_tio_internal.h
index 889bd30..37fde62 100644
--- a/drivers/staging/comedi/drivers/ni_tio_internal.h
+++ b/drivers/staging/comedi/drivers/ni_tio_internal.h
@@ -117,6 +117,14 @@
 #define GI_GATE2_SUBSEL			(1 << 14)
 #define GI_SRC_SUBSEL			(1 << 15)
 #define NITIO_SHARED_STATUS_REG(x)	(NITIO_G01_STATUS + ((x) / 2))
+#define GI_SAVE(x)			(((x) % 2) ? (1 << 1) : (1 << 0))
+#define GI_COUNTING(x)			(((x) % 2) ? (1 << 3) : (1 << 2))
+#define GI_NEXT_LOAD_SRC(x)		(((x) % 2) ? (1 << 5) : (1 << 4))
+#define GI_STALE_DATA(x)		(((x) % 2) ? (1 << 7) : (1 << 6))
+#define GI_ARMED(x)			(((x) % 2) ? (1 << 9) : (1 << 8))
+#define GI_NO_LOAD_BETWEEN_GATES(x)	(((x) % 2) ? (1 << 11) : (1 << 10))
+#define GI_TC_ERROR(x)			(((x) % 2) ? (1 << 13) : (1 << 12))
+#define GI_GATE_ERROR(x)		(((x) % 2) ? (1 << 15) : (1 << 14))
 #define NITIO_RESET_REG(x)		(NITIO_G01_RESET + ((x) / 2))
 #define NITIO_STATUS1_REG(x)		(NITIO_G01_STATUS1 + ((x) / 2))
 #define NITIO_STATUS2_REG(x)		(NITIO_G01_STATUS2 + ((x) / 2))
@@ -127,67 +135,6 @@
 #define NITIO_STATUS_REG(x)		(NITIO_G0_STATUS + (x))
 #define NITIO_INT_ENA_REG(x)		(NITIO_G0_INT_ENA + (x))
 
-enum Gxx_Status_Bits {
-	G0_Save_Bit = 0x1,
-	G1_Save_Bit = 0x2,
-	G0_Counting_Bit = 0x4,
-	G1_Counting_Bit = 0x8,
-	G0_Next_Load_Source_Bit = 0x10,
-	G1_Next_Load_Source_Bit = 0x20,
-	G0_Stale_Data_Bit = 0x40,
-	G1_Stale_Data_Bit = 0x80,
-	G0_Armed_Bit = 0x100,
-	G1_Armed_Bit = 0x200,
-	G0_No_Load_Between_Gates_Bit = 0x400,
-	G1_No_Load_Between_Gates_Bit = 0x800,
-	G0_TC_Error_Bit = 0x1000,
-	G1_TC_Error_Bit = 0x2000,
-	G0_Gate_Error_Bit = 0x4000,
-	G1_Gate_Error_Bit = 0x8000
-};
-static inline enum Gxx_Status_Bits Gi_Counting_Bit(unsigned counter_index)
-{
-	if (counter_index % 2)
-		return G1_Counting_Bit;
-	return G0_Counting_Bit;
-}
-
-static inline enum Gxx_Status_Bits Gi_Armed_Bit(unsigned counter_index)
-{
-	if (counter_index % 2)
-		return G1_Armed_Bit;
-	return G0_Armed_Bit;
-}
-
-static inline enum Gxx_Status_Bits Gi_Next_Load_Source_Bit(unsigned
-							   counter_index)
-{
-	if (counter_index % 2)
-		return G1_Next_Load_Source_Bit;
-	return G0_Next_Load_Source_Bit;
-}
-
-static inline enum Gxx_Status_Bits Gi_Stale_Data_Bit(unsigned counter_index)
-{
-	if (counter_index % 2)
-		return G1_Stale_Data_Bit;
-	return G0_Stale_Data_Bit;
-}
-
-static inline enum Gxx_Status_Bits Gi_TC_Error_Bit(unsigned counter_index)
-{
-	if (counter_index % 2)
-		return G1_TC_Error_Bit;
-	return G0_TC_Error_Bit;
-}
-
-static inline enum Gxx_Status_Bits Gi_Gate_Error_Bit(unsigned counter_index)
-{
-	if (counter_index % 2)
-		return G1_Gate_Error_Bit;
-	return G0_Gate_Error_Bit;
-}
-
 /* joint reset register bits */
 static inline unsigned Gi_Reset_Bit(unsigned counter_index)
 {
diff --git a/drivers/staging/comedi/drivers/ni_tiocmd.c b/drivers/staging/comedi/drivers/ni_tiocmd.c
index 16dba7f..d628748 100644
--- a/drivers/staging/comedi/drivers/ni_tiocmd.c
+++ b/drivers/staging/comedi/drivers/ni_tiocmd.c
@@ -377,7 +377,7 @@ void ni_tio_acknowledge_and_confirm(struct ni_gpct *counter, int *gate_error,
 	if (stale_data)
 		*stale_data = 0;
 
-	if (gxx_status & Gi_Gate_Error_Bit(cidx)) {
+	if (gxx_status & GI_GATE_ERROR(cidx)) {
 		ack |= Gi_Gate_Error_Confirm_Bit(cidx);
 		if (gate_error) {
 			/*660x don't support automatic acknowledgement
@@ -389,7 +389,7 @@ void ni_tio_acknowledge_and_confirm(struct ni_gpct *counter, int *gate_error,
 			}
 		}
 	}
-	if (gxx_status & Gi_TC_Error_Bit(cidx)) {
+	if (gxx_status & GI_TC_ERROR(cidx)) {
 		ack |= Gi_TC_Error_Confirm_Bit(cidx);
 		if (tc_error)
 			*tc_error = 1;
@@ -404,7 +404,7 @@ void ni_tio_acknowledge_and_confirm(struct ni_gpct *counter, int *gate_error,
 		write_register(counter, ack, NITIO_INT_ACK_REG(cidx));
 	if (ni_tio_get_soft_copy(counter, NITIO_MODE_REG(cidx)) &
 	    GI_LOADING_ON_GATE) {
-		if (gxx_status & Gi_Stale_Data_Bit(cidx)) {
+		if (gxx_status & GI_STALE_DATA(cidx)) {
 			if (stale_data)
 				*stale_data = 1;
 		}
-- 
2.0.3



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