diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0033-i2c-bcm2835-Add-debug-support.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0033-i2c-bcm2835-Add-debug-support.patch | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0033-i2c-bcm2835-Add-debug-support.patch b/target/linux/brcm2708/patches-4.14/950-0033-i2c-bcm2835-Add-debug-support.patch index f740fb5871..47bb41f3d9 100644 --- a/target/linux/brcm2708/patches-4.14/950-0033-i2c-bcm2835-Add-debug-support.patch +++ b/target/linux/brcm2708/patches-4.14/950-0033-i2c-bcm2835-Add-debug-support.patch @@ -142,8 +142,8 @@ Signed-off-by: Noralf Trønnes <noralf@tronnes.org> + bcm2835_debug_add(i2c_dev, ~0); } - /* -@@ -206,6 +289,7 @@ static irqreturn_t bcm2835_i2c_isr(int t + static void bcm2835_i2c_finish_transfer(struct bcm2835_i2c_dev *i2c_dev) +@@ -215,6 +298,7 @@ static irqreturn_t bcm2835_i2c_isr(int t u32 val, err; val = bcm2835_i2c_readl(i2c_dev, BCM2835_I2C_S); @@ -151,7 +151,7 @@ Signed-off-by: Noralf Trønnes <noralf@tronnes.org> err = val & (BCM2835_I2C_S_CLKT | BCM2835_I2C_S_ERR); if (err) { -@@ -272,6 +356,13 @@ static int bcm2835_i2c_xfer(struct i2c_a +@@ -281,6 +365,13 @@ static int bcm2835_i2c_xfer(struct i2c_a unsigned long time_left; int i, ret; @@ -165,18 +165,19 @@ Signed-off-by: Noralf Trønnes <noralf@tronnes.org> for (i = 0; i < (num - 1); i++) if (msgs[i].flags & I2C_M_RD) { dev_warn_once(i2c_dev->dev, -@@ -291,6 +382,10 @@ static int bcm2835_i2c_xfer(struct i2c_a - +@@ -301,6 +392,11 @@ static int bcm2835_i2c_xfer(struct i2c_a time_left = wait_for_completion_timeout(&i2c_dev->completion, adap->timeout); + + if (debug > 1 || (debug && (!time_left || i2c_dev->msg_err))) + bcm2835_debug_print(i2c_dev); + i2c_dev->debug_num_msgs = 0; + i2c_dev->debug_num = 0; ++ + bcm2835_i2c_finish_transfer(i2c_dev); + if (!time_left) { - bcm2835_i2c_writel(i2c_dev, BCM2835_I2C_C, - BCM2835_I2C_C_CLEAR); -@@ -301,7 +396,9 @@ static int bcm2835_i2c_xfer(struct i2c_a +@@ -313,7 +409,9 @@ static int bcm2835_i2c_xfer(struct i2c_a if (!i2c_dev->msg_err) return num; |