diff options
Diffstat (limited to 'drivers/soundwire/cadence_master.c')
| -rw-r--r-- | drivers/soundwire/cadence_master.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 613c63359413..7d9fc2c645e3 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -211,26 +211,6 @@ static inline void cdns_updatel(struct sdw_cdns *cdns, cdns_writel(cdns, offset, tmp); } -static int cdns_clear_bit(struct sdw_cdns *cdns, int offset, u32 value) -{ - int timeout = 10; - u32 reg_read; - - writel(value, cdns->registers + offset); - - /* Wait for bit to be self cleared */ - do { - reg_read = readl(cdns->registers + offset); - if ((reg_read & value) == 0) - return 0; - - timeout--; - udelay(50); - } while (timeout != 0); - - return -EAGAIN; -} - static int cdns_set_wait(struct sdw_cdns *cdns, int offset, u32 mask, u32 value) { int timeout = 10; @@ -249,6 +229,14 @@ static int cdns_set_wait(struct sdw_cdns *cdns, int offset, u32 mask, u32 value) return -ETIMEDOUT; } +static int cdns_clear_bit(struct sdw_cdns *cdns, int offset, u32 value) +{ + writel(value, cdns->registers + offset); + + /* Wait for bit to be self cleared */ + return cdns_set_wait(cdns, offset, value, 0); +} + /* * all changes to the MCP_CONFIG, MCP_CONTROL, MCP_CMDCTRL and MCP_PHYCTRL * need to be confirmed with a write to MCP_CONFIG_UPDATE |