Define software status flags with a BIT() macro. While at it remove
STATUS_IDLE and replace its use with zero initialization and status
flags clearing with a mask.
Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-designware-core.h | 10 +++++-----
drivers/i2c/busses/i2c-designware-master.c | 4 ++--
drivers/i2c/busses/i2c-designware-slave.c | 2 +-
3 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h
index 6d1df28dd93b..457e6966f85e 100644
--- a/drivers/i2c/busses/i2c-designware-core.h
+++ b/drivers/i2c/busses/i2c-designware-core.h
@@ -123,12 +123,12 @@
#define DW_IC_COMP_PARAM_1_SPEED_MODE_MASK GENMASK(3, 2)
/*
- * status codes
+ * Sofware status flags
*/
-#define STATUS_IDLE 0x0
-#define STATUS_ACTIVE 0x1
-#define STATUS_WRITE_IN_PROGRESS 0x2
-#define STATUS_READ_IN_PROGRESS 0x4
+#define STATUS_ACTIVE BIT(0)
+#define STATUS_WRITE_IN_PROGRESS BIT(1)
+#define STATUS_READ_IN_PROGRESS BIT(2)
+#define STATUS_MASK GENMASK(2, 0)
/*
* operation modes
diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index dc3c5a15a95b..1b7db2b58f31 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -574,7 +574,7 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
dev->msg_write_idx = 0;
dev->msg_read_idx = 0;
dev->msg_err = 0;
- dev->status = STATUS_IDLE;
+ dev->status = 0;
dev->abort_source = 0;
dev->rx_outstanding = 0;
@@ -731,7 +731,7 @@ static int i2c_dw_irq_handler_master(struct dw_i2c_dev *dev)
if (stat & DW_IC_INTR_TX_ABRT) {
dev->cmd_err |= DW_IC_ERR_TX_ABRT;
- dev->status = STATUS_IDLE;
+ dev->status &= ~STATUS_MASK;
dev->rx_outstanding = 0;
/*
diff --git a/drivers/i2c/busses/i2c-designware-slave.c b/drivers/i2c/busses/i2c-designware-slave.c
index 295774a69b67..84eb0bec70fa 100644
--- a/drivers/i2c/busses/i2c-designware-slave.c
+++ b/drivers/i2c/busses/i2c-designware-slave.c
@@ -82,7 +82,7 @@ static int i2c_dw_reg_slave(struct i2c_client *slave)
dev->msg_write_idx = 0;
dev->msg_read_idx = 0;
dev->msg_err = 0;
- dev->status = STATUS_IDLE;
+ dev->status = 0;
dev->abort_source = 0;
dev->rx_outstanding = 0;
--
2.35.1
