移去rt

hc

2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/drivers/net/ethernet/renesas/ravb_ptp.c
..
..
@@ -182,6 +182,13 @@
182
182
 	struct net_device *ndev = priv->ndev;
183
183
 	unsigned long flags;
184
184
 
185
+	/* Reject requests with unsupported flags */
186
+	if (req->flags & ~(PTP_ENABLE_FEATURE |
187
+			   PTP_RISING_EDGE |
188
+			   PTP_FALLING_EDGE |
189
+			   PTP_STRICT_FLAGS))
190
+		return -EOPNOTSUPP;
191
+
185
192
 	if (req->index)
186
193
 		return -EINVAL;
187
194
 
..
..
@@ -196,7 +203,6 @@
196
203
 		ravb_write(ndev, GIE_PTCS, GIE);
197
204
 	else
198
205
 		ravb_write(ndev, GID_PTCD, GID);
199
-	mmiowb();
200
206
 	spin_unlock_irqrestore(&priv->lock, flags);
201
207
 
202
208
 	return 0;
..
..
@@ -211,6 +217,10 @@
211
217
 	struct ravb_ptp_perout *perout;
212
218
 	unsigned long flags;
213
219
 	int error = 0;
220
+
221
+	/* Reject requests with unsupported flags */
222
+	if (req->flags)
223
+		return -EOPNOTSUPP;
214
224
 
215
225
 	if (req->index)
216
226
 		return -EINVAL;
..
..
@@ -259,7 +269,6 @@
259
269
 		else
260
270
 			ravb_write(ndev, GID_PTMD0, GID);
261
271
 	}
262
-	mmiowb();
263
272
 	spin_unlock_irqrestore(&priv->lock, flags);
264
273
 
265
274
 	return error;
..
..
@@ -331,7 +340,6 @@
331
340
 	spin_lock_irqsave(&priv->lock, flags);
332
341
 	ravb_wait(ndev, GCCR, GCCR_TCR, GCCR_TCR_NOREQ);
333
342
 	ravb_modify(ndev, GCCR, GCCR_TCSS, GCCR_TCSS_ADJGPTP);
334
-	mmiowb();
335
343
 	spin_unlock_irqrestore(&priv->lock, flags);
336
344
 
337
345
 	priv->ptp.clock = ptp_clock_register(&priv->ptp.info, &pdev->dev);