github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 10:04:04 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

i2c: designware: Define software status flags with BIT()

Browse Source 
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>
This commit is contained in:
Jarkko Nikula 2022-11-07 15:42:39 +02:00 committed by Wolfram Sang
parent dcf1bf648f
commit 4d827824b7
3 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/i2c/busses/i2c-designware-core.h
View File

@ -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

4
drivers/i2c/busses/i2c-designware-master.c
View File

@ -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;
/*

2
drivers/i2c/busses/i2c-designware-slave.c
View File

@ -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;