1 files changed, 11 insertions, 10 deletions

diff --git a/drivers/gpu/drm/i915/dvo_ivch.c b/drivers/gpu/drm/i915/dvo_ivch.c
index 0c8d375e8e37..aa176f9921fe 100644
--- a/drivers/gpu/drm/i915/dvo_ivch.c
+++ b/drivers/gpu/drm/i915/dvo_ivch.c
@@ -169,13 +169,14 @@ static void ivch_dump_regs(struct intel_dvo_device *dvo);
 static bool ivch_read(struct intel_dvo_device *dvo, int addr, uint16_t *data)
 {
         struct ivch_priv *priv = dvo->dev_priv;
-        struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+        struct i2c_adapter *adapter = dvo->i2c_bus;
+        struct intel_i2c_chan *i2cbus = container_of(adapter, struct intel_i2c_chan, adapter);
         u8 out_buf[1];
         u8 in_buf[2];
 
         struct i2c_msg msgs[] = {
                 {
-                        .addr = i2cbus->slave_addr,
+                        .addr = dvo->slave_addr,
                         .flags = I2C_M_RD,
                         .len = 0,
                 },
@@ -186,7 +187,7 @@ static bool ivch_read(struct intel_dvo_device *dvo, int addr, uint16_t *data)
                         .buf = out_buf,
                 },
                 {
-                        .addr = i2cbus->slave_addr,
+                        .addr = dvo->slave_addr,
                         .flags = I2C_M_RD | I2C_M_NOSTART,
                         .len = 2,
                         .buf = in_buf,
@@ -202,7 +203,7 @@ static bool ivch_read(struct intel_dvo_device *dvo, int addr, uint16_t *data)
 
         if (!priv->quiet) {
                 DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n",
-                          addr, i2cbus->adapter.name, i2cbus->slave_addr);
+                          addr, i2cbus->adapter.name, dvo->slave_addr);
         }
         return false;
 }
@@ -211,10 +212,11 @@ static bool ivch_read(struct intel_dvo_device *dvo, int addr, uint16_t *data)
 static bool ivch_write(struct intel_dvo_device *dvo, int addr, uint16_t data)
 {
         struct ivch_priv *priv = dvo->dev_priv;
-        struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+        struct i2c_adapter *adapter = dvo->i2c_bus;
+        struct intel_i2c_chan *i2cbus = container_of(adapter, struct intel_i2c_chan, adapter);
         u8 out_buf[3];
         struct i2c_msg msg = {
-                .addr = i2cbus->slave_addr,
+                .addr = dvo->slave_addr,
                 .flags = 0,
                 .len = 3,
                 .buf = out_buf,
@@ -229,7 +231,7 @@ static bool ivch_write(struct intel_dvo_device *dvo, int addr, uint16_t data)
 
         if (!priv->quiet) {
                 DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n",
-                          addr, i2cbus->adapter.name, i2cbus->slave_addr);
+                          addr, i2cbus->adapter.name, dvo->slave_addr);
         }
 
         return false;
@@ -237,7 +239,7 @@ static bool ivch_write(struct intel_dvo_device *dvo, int addr, uint16_t data)
 
 /** Probes the given bus and slave address for an ivch */
 static bool ivch_init(struct intel_dvo_device *dvo,
-                      struct intel_i2c_chan *i2cbus)
+                      struct i2c_adapter *adapter)
 {
         struct ivch_priv *priv;
         uint16_t temp;
@@ -246,8 +248,7 @@ static bool ivch_init(struct intel_dvo_device *dvo,
         if (priv == NULL)
                 return false;
 
-        dvo->i2c_bus = i2cbus;
-        dvo->i2c_bus->slave_addr = dvo->slave_addr;
+        dvo->i2c_bus = adapter;
         dvo->dev_priv = priv;
         priv->quiet = true;