diff options
| author | Jarkko Nikula <jarkko.nikula@linux.intel.com> | 2022-11-07 14:42:39 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2022-11-12 07:37:30 +0100 |
| commit | 4d827824b7bb29ce944172f6297db6d7a1ec37b3 (patch) | |
| tree | 7b9a141588aad12196dcf116a2ec48dea1e7c2aa | |
| parent | i2c: designware: Empty receive FIFO in slave interrupt handler (diff) | |
| download | linux-4d827824b7bb29ce944172f6297db6d7a1ec37b3.tar.xz linux-4d827824b7bb29ce944172f6297db6d7a1ec37b3.zip | |
i2c: designware: Define software status flags with BIT()
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@linux.intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-core.h | 10 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-master.c | 4 | ||||
| -rw-r--r-- | 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; |