diff options
Diffstat (limited to 'src/soc/rockchip/common/i2c.c')
| -rw-r--r-- | src/soc/rockchip/common/i2c.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/soc/rockchip/common/i2c.c b/src/soc/rockchip/common/i2c.c index dbbfd3e041..a0498a52c7 100644 --- a/src/soc/rockchip/common/i2c.c +++ b/src/soc/rockchip/common/i2c.c @@ -114,7 +114,6 @@ static int i2c_read(struct rk_i2c_regs *reg_addr, struct i2c_msg segment) { int res = 0; uint8_t *data = segment.buf; - int timeout = I2C_TIMEOUT_US; unsigned int bytes_remaining = segment.len; unsigned int con = 0; @@ -122,6 +121,7 @@ static int i2c_read(struct rk_i2c_regs *reg_addr, struct i2c_msg segment) write32(®_addr->i2c_mrxraddr, 0); con = I2C_MODE_TRX | I2C_EN | I2C_ACT2NAK; while (bytes_remaining) { + int timeout = CONFIG_I2C_TRANSFER_TIMEOUT_US; size_t size = MIN(bytes_remaining, 32); bytes_remaining -= size; if (!bytes_remaining) @@ -132,7 +132,6 @@ static int i2c_read(struct rk_i2c_regs *reg_addr, struct i2c_msg segment) write32(®_addr->i2c_con, con); write32(®_addr->i2c_mrxcnt, size); - timeout = I2C_TIMEOUT_US; while (timeout--) { if (read32(®_addr->i2c_ipd) & I2C_NAKRCVI) { write32(®_addr->i2c_mrxcnt, 0); @@ -161,7 +160,6 @@ static int i2c_write(struct rk_i2c_regs *reg_addr, struct i2c_msg segment) { int res = 0; uint8_t *data = segment.buf; - int timeout = I2C_TIMEOUT_US; int bytes_remaining = segment.len + 1; /* Prepend one byte for the slave address to the transfer. */ @@ -169,6 +167,7 @@ static int i2c_write(struct rk_i2c_regs *reg_addr, struct i2c_msg segment) int prefsz = 1; while (bytes_remaining) { + int timeout = CONFIG_I2C_TRANSFER_TIMEOUT_US; size_t size = MIN(bytes_remaining, 32); buffer_to_fifo32_prefix(data, prefix, prefsz, size, ®_addr->txdata, 4, 4); @@ -180,7 +179,6 @@ static int i2c_write(struct rk_i2c_regs *reg_addr, struct i2c_msg segment) I2C_EN | I2C_MODE_TX | I2C_ACT2NAK); write32(®_addr->i2c_mtxcnt, size); - timeout = I2C_TIMEOUT_US; while (timeout--) { if (read32(®_addr->i2c_ipd) & I2C_NAKRCVI) { write32(®_addr->i2c_mtxcnt, 0); |