1 files changed, 13 insertions, 12 deletions

diff --git a/drivers/gpu/drm/i915/dvo_ch7xxx.c b/drivers/gpu/drm/i915/dvo_ch7xxx.c
index d2fd95dbd034..a9b896289680 100644
--- a/drivers/gpu/drm/i915/dvo_ch7xxx.c
+++ b/drivers/gpu/drm/i915/dvo_ch7xxx.c
@@ -123,19 +123,20 @@ static char *ch7xxx_get_id(uint8_t vid)
 static bool ch7xxx_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
 {
         struct ch7xxx_priv *ch7xxx= 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[2];
         u8 in_buf[2];
 
         struct i2c_msg msgs[] = {
                 {
-                        .addr = i2cbus->slave_addr,
+                        .addr = dvo->slave_addr,
                         .flags = 0,
                         .len = 1,
                         .buf = out_buf,
                 },
                 {
-                        .addr = i2cbus->slave_addr,
+                        .addr = dvo->slave_addr,
                         .flags = I2C_M_RD,
                         .len = 1,
                         .buf = in_buf,
@@ -152,7 +153,7 @@ static bool ch7xxx_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
 
         if (!ch7xxx->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;
 }
@@ -161,10 +162,11 @@ static bool ch7xxx_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
 static bool ch7xxx_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
 {
         struct ch7xxx_priv *ch7xxx = 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);
         uint8_t out_buf[2];
         struct i2c_msg msg = {
-                .addr = i2cbus->slave_addr,
+                .addr = dvo->slave_addr,
                 .flags = 0,
                 .len = 2,
                 .buf = out_buf,
@@ -178,14 +180,14 @@ static bool ch7xxx_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
 
         if (!ch7xxx->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;
 }
 
 static bool ch7xxx_init(struct intel_dvo_device *dvo,
-                        struct intel_i2c_chan *i2cbus)
+                        struct i2c_adapter *adapter)
 {
         /* this will detect the CH7xxx chip on the specified i2c bus */
         struct ch7xxx_priv *ch7xxx;
@@ -196,8 +198,7 @@ static bool ch7xxx_init(struct intel_dvo_device *dvo,
         if (ch7xxx == NULL)
                 return false;
 
-        dvo->i2c_bus = i2cbus;
-        dvo->i2c_bus->slave_addr = dvo->slave_addr;
+        dvo->i2c_bus = adapter;
         dvo->dev_priv = ch7xxx;
         ch7xxx->quiet = true;
 
@@ -207,7 +208,7 @@ static bool ch7xxx_init(struct intel_dvo_device *dvo,
         name = ch7xxx_get_id(vendor);
         if (!name) {
                 DRM_DEBUG("ch7xxx not detected; got 0x%02x from %s slave %d.\n",
-                          vendor, i2cbus->adapter.name, i2cbus->slave_addr);
+                          vendor, adapter->name, dvo->slave_addr);
                 goto out;
         }
 
@@ -217,7 +218,7 @@ static bool ch7xxx_init(struct intel_dvo_device *dvo,
 
         if (device != CH7xxx_DID) {
                 DRM_DEBUG("ch7xxx not detected; got 0x%02x from %s slave %d.\n",
-                          vendor, i2cbus->adapter.name, i2cbus->slave_addr);
+                          vendor, adapter->name, dvo->slave_addr);
                 goto out;
         }