修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/i2c/i2c-mux.c
..
..
@@ -26,6 +26,7 @@
26
26
 #include <linux/module.h>
27
27
 #include <linux/of.h>
28
28
 #include <linux/slab.h>
29
+#include <linux/sysfs.h>
29
30
 
30
31
 /* multiplexer per channel data */
31
32
 struct i2c_mux_priv {
..
..
@@ -243,8 +244,7 @@
243
244
 {
244
245
 	struct i2c_mux_core *muxc;
245
246
 
246
-	muxc = devm_kzalloc(dev, sizeof(*muxc)
247
-			    + max_adapters * sizeof(muxc->adapter[0])
247
+	muxc = devm_kzalloc(dev, struct_size(muxc, adapter, max_adapters)
248
248
 			    + sizeof_priv, GFP_KERNEL);
249
249
 	if (!muxc)
250
250
 		return NULL;
..
..
@@ -310,12 +310,18 @@
310
310
 		else
311
311
 			priv->algo.master_xfer = __i2c_mux_master_xfer;
312
312
 	}
313
+	if (parent->algo->master_xfer_atomic)
314
+		priv->algo.master_xfer_atomic = priv->algo.master_xfer;
315
+
313
316
 	if (parent->algo->smbus_xfer) {
314
317
 		if (muxc->mux_locked)
315
318
 			priv->algo.smbus_xfer = i2c_mux_smbus_xfer;
316
319
 		else
317
320
 			priv->algo.smbus_xfer = __i2c_mux_smbus_xfer;
318
321
 	}
322
+	if (parent->algo->smbus_xfer_atomic)
323
+		priv->algo.smbus_xfer_atomic = priv->algo.smbus_xfer;
324
+
319
325
 	priv->algo.functionality = i2c_mux_functionality;
320
326
 
321
327
 	/* Now fill out new adapter structure */