[PATCH v7 4/9] i2c: rk3x: Move setting STATE_START and add STATE_SETUP
From: David Wu <hidden>
Date: 2016-05-04 14:15:22
Also in:
linux-arm-kernel, linux-i2c, linux-rockchip, lkml
Subsystem:
arm/rockchip soc support, i2c subsystem, i2c subsystem host drivers, the rest · Maintainers:
Heiko Stuebner, Andi Shyti, Linus Torvalds
Signed-off-by: David Wu <redacted> --- Change in v7: - none drivers/i2c/busses/i2c-rk3x.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 9eeb4e5..0838fcf 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c@@ -87,6 +87,7 @@ struct rk3x_i2c_calced_timings { enum rk3x_i2c_state { STATE_IDLE, + STATE_SETUP, STATE_START, STATE_READ, STATE_WRITE,
@@ -174,6 +175,7 @@ static void rk3x_i2c_start(struct rk3x_i2c *i2c) { u32 val; + i2c->state = STATE_START; i2c_writel(i2c, REG_INT_START, REG_IEN); /* enable adapter with correct mode, send START condition */
@@ -451,6 +453,7 @@ static irqreturn_t rk3x_i2c_irq(int irqno, void *dev_id) rk3x_i2c_handle_stop(i2c, ipd); break; case STATE_IDLE: + case STATE_SETUP: break; }
@@ -781,7 +784,7 @@ static int rk3x_i2c_setup(struct rk3x_i2c *i2c, struct i2c_msg *msgs, int num) i2c->addr = msgs[0].addr; i2c->busy = true; - i2c->state = STATE_START; + i2c->state = STATE_SETUP; i2c->processed = 0; i2c->error = 0;
--
1.9.1