dsa.c (ed96f35cecb0a7d1d95bbba8b9f212e60d0f7480) dsa.c (d0004a020bb50263de0e3e775c7b7c7a003e0e0c)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * net/dsa/dsa.c - Hardware switch handling
4 * Copyright (c) 2008-2009 Marvell Semiconductor
5 * Copyright (c) 2013 Florian Fainelli <florian@openwrt.org>
6 */
7
8#include <linux/device.h>

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275 return 0;
276
277 gro_cells_receive(&p->gcells, skb);
278
279 return 0;
280}
281
282#ifdef CONFIG_PM_SLEEP
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * net/dsa/dsa.c - Hardware switch handling
4 * Copyright (c) 2008-2009 Marvell Semiconductor
5 * Copyright (c) 2013 Florian Fainelli <florian@openwrt.org>
6 */
7
8#include <linux/device.h>

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275 return 0;
276
277 gro_cells_receive(&p->gcells, skb);
278
279 return 0;
280}
281
282#ifdef CONFIG_PM_SLEEP
283static bool dsa_is_port_initialized(struct dsa_switch *ds, int p)
283static bool dsa_port_is_initialized(const struct dsa_port *dp)
284{
284{
285 const struct dsa_port *dp = dsa_to_port(ds, p);
286
287 return dp->type == DSA_PORT_TYPE_USER && dp->slave;
288}
289
290int dsa_switch_suspend(struct dsa_switch *ds)
291{
285 return dp->type == DSA_PORT_TYPE_USER && dp->slave;
286}
287
288int dsa_switch_suspend(struct dsa_switch *ds)
289{
292 int i, ret = 0;
290 struct dsa_port *dp;
291 int ret = 0;
293
294 /* Suspend slave network devices */
292
293 /* Suspend slave network devices */
295 for (i = 0; i < ds->num_ports; i++) {
296 if (!dsa_is_port_initialized(ds, i))
294 dsa_switch_for_each_port(dp, ds) {
295 if (!dsa_port_is_initialized(dp))
297 continue;
298
296 continue;
297
299 ret = dsa_slave_suspend(dsa_to_port(ds, i)->slave);
298 ret = dsa_slave_suspend(dp->slave);
300 if (ret)
301 return ret;
302 }
303
304 if (ds->ops->suspend)
305 ret = ds->ops->suspend(ds);
306
307 return ret;
308}
309EXPORT_SYMBOL_GPL(dsa_switch_suspend);
310
311int dsa_switch_resume(struct dsa_switch *ds)
312{
299 if (ret)
300 return ret;
301 }
302
303 if (ds->ops->suspend)
304 ret = ds->ops->suspend(ds);
305
306 return ret;
307}
308EXPORT_SYMBOL_GPL(dsa_switch_suspend);
309
310int dsa_switch_resume(struct dsa_switch *ds)
311{
313 int i, ret = 0;
312 struct dsa_port *dp;
313 int ret = 0;
314
315 if (ds->ops->resume)
316 ret = ds->ops->resume(ds);
317
318 if (ret)
319 return ret;
320
321 /* Resume slave network devices */
314
315 if (ds->ops->resume)
316 ret = ds->ops->resume(ds);
317
318 if (ret)
319 return ret;
320
321 /* Resume slave network devices */
322 for (i = 0; i < ds->num_ports; i++) {
323 if (!dsa_is_port_initialized(ds, i))
322 dsa_switch_for_each_port(dp, ds) {
323 if (!dsa_port_is_initialized(dp))
324 continue;
325
324 continue;
325
326 ret = dsa_slave_resume(dsa_to_port(ds, i)->slave);
326 ret = dsa_slave_resume(dp->slave);
327 if (ret)
328 return ret;
329 }
330
331 return 0;
332}
333EXPORT_SYMBOL_GPL(dsa_switch_resume);
334#endif

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328 return ret;
329 }
330
331 return 0;
332}
333EXPORT_SYMBOL_GPL(dsa_switch_resume);
334#endif

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