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From: kernel test robot <lkp@intel.com>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: drivers/gpu/drm/bridge/sil-sii8620.c:2355: undefined reference to `extcon_unregister_notifier'
Date: Sun, 4 Apr 2021 06:30:14 +0800	[thread overview]
Message-ID: <202104040604.SSTe2Cxf-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 17166 bytes --]

Hi Masahiro,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8e29be3468d4565dd95fbb098df0d7a79ee60d71
commit: def2fbffe62c00c330c7f41584a356001179c59c kconfig: allow symbols implied by y to become m
date:   1 year, 1 month ago
config: i386-randconfig-a003-20210404 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=def2fbffe62c00c330c7f41584a356001179c59c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout def2fbffe62c00c330c7f41584a356001179c59c
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_remove':
>> drivers/gpu/drm/bridge/sil-sii8620.c:2355: undefined reference to `extcon_unregister_notifier'
   ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_extcon_init':
>> drivers/gpu/drm/bridge/sil-sii8620.c:2179: undefined reference to `extcon_find_edev_by_node'
>> ld: drivers/gpu/drm/bridge/sil-sii8620.c:2191: undefined reference to `extcon_register_notifier'
   ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_extcon_work':
>> drivers/gpu/drm/bridge/sil-sii8620.c:2139: undefined reference to `extcon_get_state'


vim +2355 drivers/gpu/drm/bridge/sil-sii8620.c

688838442147d9 Maciej Purski    2018-02-27  2162  
688838442147d9 Maciej Purski    2018-02-27  2163  static int sii8620_extcon_init(struct sii8620 *ctx)
688838442147d9 Maciej Purski    2018-02-27  2164  {
688838442147d9 Maciej Purski    2018-02-27  2165  	struct extcon_dev *edev;
688838442147d9 Maciej Purski    2018-02-27  2166  	struct device_node *musb, *muic;
688838442147d9 Maciej Purski    2018-02-27  2167  	int ret;
688838442147d9 Maciej Purski    2018-02-27  2168  
688838442147d9 Maciej Purski    2018-02-27  2169  	/* get micro-USB connector node */
688838442147d9 Maciej Purski    2018-02-27  2170  	musb = of_graph_get_remote_node(ctx->dev->of_node, 1, -1);
688838442147d9 Maciej Purski    2018-02-27  2171  	/* next get micro-USB Interface Controller node */
688838442147d9 Maciej Purski    2018-02-27  2172  	muic = of_get_next_parent(musb);
688838442147d9 Maciej Purski    2018-02-27  2173  
688838442147d9 Maciej Purski    2018-02-27  2174  	if (!muic) {
688838442147d9 Maciej Purski    2018-02-27  2175  		dev_info(ctx->dev, "no extcon found, switching to 'always on' mode\n");
688838442147d9 Maciej Purski    2018-02-27  2176  		return 0;
688838442147d9 Maciej Purski    2018-02-27  2177  	}
688838442147d9 Maciej Purski    2018-02-27  2178  
688838442147d9 Maciej Purski    2018-02-27 @2179  	edev = extcon_find_edev_by_node(muic);
688838442147d9 Maciej Purski    2018-02-27  2180  	of_node_put(muic);
688838442147d9 Maciej Purski    2018-02-27  2181  	if (IS_ERR(edev)) {
688838442147d9 Maciej Purski    2018-02-27  2182  		if (PTR_ERR(edev) == -EPROBE_DEFER)
688838442147d9 Maciej Purski    2018-02-27  2183  			return -EPROBE_DEFER;
688838442147d9 Maciej Purski    2018-02-27  2184  		dev_err(ctx->dev, "Invalid or missing extcon\n");
688838442147d9 Maciej Purski    2018-02-27  2185  		return PTR_ERR(edev);
688838442147d9 Maciej Purski    2018-02-27  2186  	}
688838442147d9 Maciej Purski    2018-02-27  2187  
688838442147d9 Maciej Purski    2018-02-27  2188  	ctx->extcon = edev;
688838442147d9 Maciej Purski    2018-02-27  2189  	ctx->extcon_nb.notifier_call = sii8620_extcon_notifier;
688838442147d9 Maciej Purski    2018-02-27  2190  	INIT_WORK(&ctx->extcon_wq, sii8620_extcon_work);
688838442147d9 Maciej Purski    2018-02-27 @2191  	ret = extcon_register_notifier(edev, EXTCON_DISP_MHL, &ctx->extcon_nb);
688838442147d9 Maciej Purski    2018-02-27  2192  	if (ret) {
688838442147d9 Maciej Purski    2018-02-27  2193  		dev_err(ctx->dev, "failed to register notifier for MHL\n");
688838442147d9 Maciej Purski    2018-02-27  2194  		return ret;
688838442147d9 Maciej Purski    2018-02-27  2195  	}
688838442147d9 Maciej Purski    2018-02-27  2196  
688838442147d9 Maciej Purski    2018-02-27  2197  	return 0;
688838442147d9 Maciej Purski    2018-02-27  2198  }
688838442147d9 Maciej Purski    2018-02-27  2199  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2200  static inline struct sii8620 *bridge_to_sii8620(struct drm_bridge *bridge)
ce6e153f414a73 Andrzej Hajda    2016-10-10  2201  {
ce6e153f414a73 Andrzej Hajda    2016-10-10  2202  	return container_of(bridge, struct sii8620, bridge);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2203  }
ce6e153f414a73 Andrzej Hajda    2016-10-10  2204  
e25f1f7c94e16d Maciej Purski    2017-08-24  2205  static int sii8620_attach(struct drm_bridge *bridge)
e25f1f7c94e16d Maciej Purski    2017-08-24  2206  {
e25f1f7c94e16d Maciej Purski    2017-08-24  2207  	struct sii8620 *ctx = bridge_to_sii8620(bridge);
e25f1f7c94e16d Maciej Purski    2017-08-24  2208  
e25f1f7c94e16d Maciej Purski    2017-08-24  2209  	sii8620_init_rcp_input_dev(ctx);
e25f1f7c94e16d Maciej Purski    2017-08-24  2210  
e25f1f7c94e16d Maciej Purski    2017-08-24  2211  	return sii8620_clear_error(ctx);
e25f1f7c94e16d Maciej Purski    2017-08-24  2212  }
e25f1f7c94e16d Maciej Purski    2017-08-24  2213  
e25f1f7c94e16d Maciej Purski    2017-08-24  2214  static void sii8620_detach(struct drm_bridge *bridge)
e25f1f7c94e16d Maciej Purski    2017-08-24  2215  {
e25f1f7c94e16d Maciej Purski    2017-08-24  2216  	struct sii8620 *ctx = bridge_to_sii8620(bridge);
e25f1f7c94e16d Maciej Purski    2017-08-24  2217  
710abfe8ead247 Ronald Tschalär  2019-04-19  2218  	if (!IS_ENABLED(CONFIG_RC_CORE))
710abfe8ead247 Ronald Tschalär  2019-04-19  2219  		return;
710abfe8ead247 Ronald Tschalär  2019-04-19  2220  
e25f1f7c94e16d Maciej Purski    2017-08-24  2221  	rc_unregister_device(ctx->rc_dev);
e25f1f7c94e16d Maciej Purski    2017-08-24  2222  }
e25f1f7c94e16d Maciej Purski    2017-08-24  2223  
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2224  static int sii8620_is_packing_required(struct sii8620 *ctx,
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2225  				       const struct drm_display_mode *mode)
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2226  {
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2227  	int max_pclk, max_pclk_pp_mode;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2228  
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2229  	if (sii8620_is_mhl3(ctx)) {
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2230  		max_pclk = MHL3_MAX_PCLK;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2231  		max_pclk_pp_mode = MHL3_MAX_PCLK_PP_MODE;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2232  	} else {
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2233  		max_pclk = MHL1_MAX_PCLK;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2234  		max_pclk_pp_mode = MHL1_MAX_PCLK_PP_MODE;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2235  	}
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2236  
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2237  	if (mode->clock < max_pclk)
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2238  		return 0;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2239  	else if (mode->clock < max_pclk_pp_mode)
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2240  		return 1;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2241  	else
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2242  		return -1;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2243  }
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2244  
e7c2e4d368e2ef Marek Szyprowski 2017-11-09  2245  static enum drm_mode_status sii8620_mode_valid(struct drm_bridge *bridge,
e7c2e4d368e2ef Marek Szyprowski 2017-11-09  2246  					 const struct drm_display_mode *mode)
e7c2e4d368e2ef Marek Szyprowski 2017-11-09  2247  {
e7c2e4d368e2ef Marek Szyprowski 2017-11-09  2248  	struct sii8620 *ctx = bridge_to_sii8620(bridge);
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2249  	int pack_required = sii8620_is_packing_required(ctx, mode);
e7c2e4d368e2ef Marek Szyprowski 2017-11-09  2250  	bool can_pack = ctx->devcap[MHL_DCAP_VID_LINK_MODE] &
e7c2e4d368e2ef Marek Szyprowski 2017-11-09  2251  			MHL_DCAP_VID_LINK_PPIXEL;
e7c2e4d368e2ef Marek Szyprowski 2017-11-09  2252  
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2253  	switch (pack_required) {
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2254  	case 0:
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2255  		return MODE_OK;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2256  	case 1:
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2257  		return (can_pack) ? MODE_OK : MODE_CLOCK_HIGH;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2258  	default:
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2259  		return MODE_CLOCK_HIGH;
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2260  	}
e7c2e4d368e2ef Marek Szyprowski 2017-11-09  2261  }
e7c2e4d368e2ef Marek Szyprowski 2017-11-09  2262  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2263  static bool sii8620_mode_fixup(struct drm_bridge *bridge,
ce6e153f414a73 Andrzej Hajda    2016-10-10  2264  			       const struct drm_display_mode *mode,
ce6e153f414a73 Andrzej Hajda    2016-10-10  2265  			       struct drm_display_mode *adjusted_mode)
ce6e153f414a73 Andrzej Hajda    2016-10-10  2266  {
ce6e153f414a73 Andrzej Hajda    2016-10-10  2267  	struct sii8620 *ctx = bridge_to_sii8620(bridge);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2268  
bf1722cab55a32 Andrzej Hajda    2017-02-01  2269  	mutex_lock(&ctx->lock);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2270  
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2271  	ctx->use_packed_pixel = sii8620_is_packing_required(ctx, adjusted_mode);
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2272  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2273  	mutex_unlock(&ctx->lock);
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2274  
ecba7cfa3afbe4 Maciej Purski    2018-02-02  2275  	return true;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2276  }
ce6e153f414a73 Andrzej Hajda    2016-10-10  2277  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2278  static const struct drm_bridge_funcs sii8620_bridge_funcs = {
e25f1f7c94e16d Maciej Purski    2017-08-24  2279  	.attach = sii8620_attach,
e25f1f7c94e16d Maciej Purski    2017-08-24  2280  	.detach = sii8620_detach,
ce6e153f414a73 Andrzej Hajda    2016-10-10  2281  	.mode_fixup = sii8620_mode_fixup,
e7c2e4d368e2ef Marek Szyprowski 2017-11-09  2282  	.mode_valid = sii8620_mode_valid,
ce6e153f414a73 Andrzej Hajda    2016-10-10  2283  };
ce6e153f414a73 Andrzej Hajda    2016-10-10  2284  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2285  static int sii8620_probe(struct i2c_client *client,
ce6e153f414a73 Andrzej Hajda    2016-10-10  2286  			 const struct i2c_device_id *id)
ce6e153f414a73 Andrzej Hajda    2016-10-10  2287  {
ce6e153f414a73 Andrzej Hajda    2016-10-10  2288  	struct device *dev = &client->dev;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2289  	struct sii8620 *ctx;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2290  	int ret;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2291  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2292  	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2293  	if (!ctx)
ce6e153f414a73 Andrzej Hajda    2016-10-10  2294  		return -ENOMEM;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2295  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2296  	ctx->dev = dev;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2297  	mutex_init(&ctx->lock);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2298  	INIT_LIST_HEAD(&ctx->mt_queue);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2299  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2300  	ctx->clk_xtal = devm_clk_get(dev, "xtal");
ce6e153f414a73 Andrzej Hajda    2016-10-10  2301  	if (IS_ERR(ctx->clk_xtal)) {
ce6e153f414a73 Andrzej Hajda    2016-10-10  2302  		dev_err(dev, "failed to get xtal clock from DT\n");
ce6e153f414a73 Andrzej Hajda    2016-10-10  2303  		return PTR_ERR(ctx->clk_xtal);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2304  	}
ce6e153f414a73 Andrzej Hajda    2016-10-10  2305  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2306  	if (!client->irq) {
ce6e153f414a73 Andrzej Hajda    2016-10-10  2307  		dev_err(dev, "no irq provided\n");
ce6e153f414a73 Andrzej Hajda    2016-10-10  2308  		return -EINVAL;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2309  	}
ce6e153f414a73 Andrzej Hajda    2016-10-10  2310  	irq_set_status_flags(client->irq, IRQ_NOAUTOEN);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2311  	ret = devm_request_threaded_irq(dev, client->irq, NULL,
ce6e153f414a73 Andrzej Hajda    2016-10-10  2312  					sii8620_irq_thread,
ce6e153f414a73 Andrzej Hajda    2016-10-10  2313  					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
ce6e153f414a73 Andrzej Hajda    2016-10-10  2314  					"sii8620", ctx);
e0ba12ea5e1329 Andrzej Hajda    2017-02-22  2315  	if (ret < 0) {
e0ba12ea5e1329 Andrzej Hajda    2017-02-22  2316  		dev_err(dev, "failed to install IRQ handler\n");
e0ba12ea5e1329 Andrzej Hajda    2017-02-22  2317  		return ret;
e0ba12ea5e1329 Andrzej Hajda    2017-02-22  2318  	}
ce6e153f414a73 Andrzej Hajda    2016-10-10  2319  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2320  	ctx->gpio_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2321  	if (IS_ERR(ctx->gpio_reset)) {
ce6e153f414a73 Andrzej Hajda    2016-10-10  2322  		dev_err(dev, "failed to get reset gpio from DT\n");
ce6e153f414a73 Andrzej Hajda    2016-10-10  2323  		return PTR_ERR(ctx->gpio_reset);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2324  	}
ce6e153f414a73 Andrzej Hajda    2016-10-10  2325  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2326  	ctx->supplies[0].supply = "cvcc10";
ce6e153f414a73 Andrzej Hajda    2016-10-10  2327  	ctx->supplies[1].supply = "iovcc18";
ce6e153f414a73 Andrzej Hajda    2016-10-10  2328  	ret = devm_regulator_bulk_get(dev, 2, ctx->supplies);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2329  	if (ret)
ce6e153f414a73 Andrzej Hajda    2016-10-10  2330  		return ret;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2331  
688838442147d9 Maciej Purski    2018-02-27  2332  	ret = sii8620_extcon_init(ctx);
688838442147d9 Maciej Purski    2018-02-27  2333  	if (ret < 0) {
688838442147d9 Maciej Purski    2018-02-27  2334  		dev_err(ctx->dev, "failed to initialize EXTCON\n");
688838442147d9 Maciej Purski    2018-02-27  2335  		return ret;
688838442147d9 Maciej Purski    2018-02-27  2336  	}
688838442147d9 Maciej Purski    2018-02-27  2337  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2338  	i2c_set_clientdata(client, ctx);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2339  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2340  	ctx->bridge.funcs = &sii8620_bridge_funcs;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2341  	ctx->bridge.of_node = dev->of_node;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2342  	drm_bridge_add(&ctx->bridge);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2343  
688838442147d9 Maciej Purski    2018-02-27  2344  	if (!ctx->extcon)
ce6e153f414a73 Andrzej Hajda    2016-10-10  2345  		sii8620_cable_in(ctx);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2346  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2347  	return 0;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2348  }
ce6e153f414a73 Andrzej Hajda    2016-10-10  2349  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2350  static int sii8620_remove(struct i2c_client *client)
ce6e153f414a73 Andrzej Hajda    2016-10-10  2351  {
ce6e153f414a73 Andrzej Hajda    2016-10-10  2352  	struct sii8620 *ctx = i2c_get_clientdata(client);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2353  
688838442147d9 Maciej Purski    2018-02-27  2354  	if (ctx->extcon) {
688838442147d9 Maciej Purski    2018-02-27 @2355  		extcon_unregister_notifier(ctx->extcon, EXTCON_DISP_MHL,
688838442147d9 Maciej Purski    2018-02-27  2356  					   &ctx->extcon_nb);
688838442147d9 Maciej Purski    2018-02-27  2357  		flush_work(&ctx->extcon_wq);
688838442147d9 Maciej Purski    2018-02-27  2358  		if (ctx->cable_state > 0)
688838442147d9 Maciej Purski    2018-02-27  2359  			sii8620_cable_out(ctx);
688838442147d9 Maciej Purski    2018-02-27  2360  	} else {
688838442147d9 Maciej Purski    2018-02-27  2361  		sii8620_cable_out(ctx);
688838442147d9 Maciej Purski    2018-02-27  2362  	}
e25f1f7c94e16d Maciej Purski    2017-08-24  2363  	drm_bridge_remove(&ctx->bridge);
ce6e153f414a73 Andrzej Hajda    2016-10-10  2364  
ce6e153f414a73 Andrzej Hajda    2016-10-10  2365  	return 0;
ce6e153f414a73 Andrzej Hajda    2016-10-10  2366  }
ce6e153f414a73 Andrzej Hajda    2016-10-10  2367  

:::::: The code at line 2355 was first introduced by commit
:::::: 688838442147d9dd94c2ef7c2c31a35cf150c5fa drm/bridge/sii8620: use micro-USB cable detection logic to detect MHL

:::::: TO: Maciej Purski <m.purski@samsung.com>
:::::: CC: Chanwoo Choi <cw00.choi@samsung.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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             reply	other threads:[~2021-04-03 22:37 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-03 22:30 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-05-06  5:42 drivers/gpu/drm/bridge/sil-sii8620.c:2355: undefined reference to `extcon_unregister_notifier' kernel test robot
2021-04-13 18:49 kernel test robot
2020-11-09  6:08 kernel test robot
2020-07-27  4:05 kernel test robot
2020-06-15  6:33 kernel test robot

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