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Diffstat (limited to 'drivers/i2c/busses/i2c-designware-core.h')
-rw-r--r--drivers/i2c/busses/i2c-designware-core.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h
index 5a410ef17abd..ef8ba839e2d3 100644
--- a/drivers/i2c/busses/i2c-designware-core.h
+++ b/drivers/i2c/busses/i2c-designware-core.h
@@ -61,6 +61,9 @@
* @ss_lcnt: standard speed LCNT value
* @fs_hcnt: fast speed HCNT value
* @fs_lcnt: fast speed LCNT value
+ * @acquire_lock: function to acquire a hardware lock on the bus
+ * @release_lock: function to release a hardware lock on the bus
+ * @pm_runtime_disabled: true if pm runtime is disabled
*
* HCNT and LCNT parameters can be used if the platform knows more accurate
* values than the one computed based only on the input clock frequency.
@@ -101,6 +104,9 @@ struct dw_i2c_dev {
u16 ss_lcnt;
u16 fs_hcnt;
u16 fs_lcnt;
+ int (*acquire_lock)(struct dw_i2c_dev *dev);
+ void (*release_lock)(struct dw_i2c_dev *dev);
+ bool pm_runtime_disabled;
};
#define ACCESS_SWAP 0x00000001
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