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path: root/drivers/gpu/drm/i915/intel_i2c.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_i2c.c')
-rw-r--r--drivers/gpu/drm/i915/intel_i2c.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 99a04f8bcb1f..f02e52aca746 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -262,13 +262,6 @@ gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg,
262 GMBUS_SLAVE_WRITE | GMBUS_SW_RDY); 262 GMBUS_SLAVE_WRITE | GMBUS_SW_RDY);
263 POSTING_READ(GMBUS2 + reg_offset); 263 POSTING_READ(GMBUS2 + reg_offset);
264 while (len) { 264 while (len) {
265 if (wait_for(I915_READ(GMBUS2 + reg_offset) &
266 (GMBUS_SATOER | GMBUS_HW_RDY),
267 50))
268 return -ETIMEDOUT;
269 if (I915_READ(GMBUS2 + reg_offset) & GMBUS_SATOER)
270 return -ENXIO;
271
272 val = loop = 0; 265 val = loop = 0;
273 do { 266 do {
274 val |= *buf++ << (8 * loop); 267 val |= *buf++ << (8 * loop);
@@ -276,6 +269,13 @@ gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg,
276 269
277 I915_WRITE(GMBUS3 + reg_offset, val); 270 I915_WRITE(GMBUS3 + reg_offset, val);
278 POSTING_READ(GMBUS2 + reg_offset); 271 POSTING_READ(GMBUS2 + reg_offset);
272
273 if (wait_for(I915_READ(GMBUS2 + reg_offset) &
274 (GMBUS_SATOER | GMBUS_HW_RDY),
275 50))
276 return -ETIMEDOUT;
277 if (I915_READ(GMBUS2 + reg_offset) & GMBUS_SATOER)
278 return -ENXIO;
279 } 279 }
280 return 0; 280 return 0;
281} 281}