From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EE7ED23A2 for ; Wed, 19 Apr 2023 06:08:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681884521; x=1713420521; h=date:from:to:cc:subject:message-id:mime-version; bh=1lrrs0sJvUFUDyjU09U5nLT9ltBCVgZoeLbEIbCl5Io=; b=cSpYNG+/gJce92SaCE8/9Kqpn5eQIK0HaOOFihIW6cDiGp8/51RxNTqt A4fM5rD6YoXZm4vLE2ljDgJOttn2l3dor0s7HV5kdN1sQHlnLDXXaXiUw zJYw/q2sEH8NN8JX1pzOFAe7oKt8v5zcF3UGHue5E8Y+7XyZfCqV0cRM4 aI2ZtTk+mCto8yNSVTM6tjwgPMONe7pbV7edhiu11Aaiz1SI2aGNu38we QdjP5Z1yyIYswmrCx8FhtFQKu7qLQmAGyEuSltSPpX11O6Is/4p8kfRY8 UFD/kTdWPJbjP4JZy58eZhgcYcgusDTNce06rsjj3hub/WXJ3zvRrPNYJ A==; X-IronPort-AV: E=McAfee;i="6600,9927,10684"; a="408269857" X-IronPort-AV: E=Sophos;i="5.99,208,1677571200"; d="scan'208";a="408269857" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Apr 2023 23:08:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10684"; a="693912318" X-IronPort-AV: E=Sophos;i="5.99,208,1677571200"; d="scan'208";a="693912318" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by fmsmga007.fm.intel.com with ESMTP; 18 Apr 2023 23:08:40 -0700 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1pp0za-000ebI-1I; Wed, 19 Apr 2023 06:08:34 +0000 Date: Wed, 19 Apr 2023 14:07:41 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: Re: [PATCH v5] usb: dwc3: debugfs: Prevent any register access when devices Message-ID: <202304191354.gk7ee6Gf-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20230418121835.17550-1-quic_ugoswami@quicinc.com> References: <20230418121835.17550-1-quic_ugoswami@quicinc.com> TO: Udipto Goswami TO: Thinh Nguyen TO: "Greg Kroah-Hartman" CC: Pratham Pratap CC: Jack Pham CC: linux-usb@vger.kernel.org CC: Oliver Neukum CC: Johan Hovold CC: Udipto Goswami Hi Udipto, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-testing] [also build test WARNING on usb/usb-next usb/usb-linus driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus westeri-thunderbolt/next linus/master v6.3-rc7 next-20230418] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Udipto-Goswami/usb-dwc3-debugfs-Prevent-any-register-access-when-devices/20230418-202039 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20230418121835.17550-1-quic_ugoswami%40quicinc.com patch subject: [PATCH v5] usb: dwc3: debugfs: Prevent any register access when devices :::::: branch date: 18 hours ago :::::: commit date: 18 hours ago config: x86_64-randconfig-m001 (https://download.01.org/0day-ci/archive/20230419/202304191354.gk7ee6Gf-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Link: https://lore.kernel.org/r/202304191354.gk7ee6Gf-lkp@intel.com/ smatch warnings: drivers/usb/dwc3/debugfs.c:338 dwc3_lsp_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:409 dwc3_mode_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:485 dwc3_testmode_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:555 dwc3_testmode_write() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:586 dwc3_link_state_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:649 dwc3_link_state_write() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:702 dwc3_tx_fifo_size_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:732 dwc3_rx_fifo_size_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:761 dwc3_tx_request_queue_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:784 dwc3_rx_request_queue_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:807 dwc3_rx_info_queue_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:830 dwc3_descriptor_fetch_queue_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:853 dwc3_event_queue_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:911 dwc3_trb_ring_show() warn: pm_runtime_get_sync() also returns 1 on success drivers/usb/dwc3/debugfs.c:960 dwc3_ep_info_register_show() warn: pm_runtime_get_sync() also returns 1 on success vim +338 drivers/usb/dwc3/debugfs.c 62ba09d6bb6330 Thinh Nguyen 2018-11-07 328 62ba09d6bb6330 Thinh Nguyen 2018-11-07 329 static int dwc3_lsp_show(struct seq_file *s, void *unused) 62ba09d6bb6330 Thinh Nguyen 2018-11-07 330 { 62ba09d6bb6330 Thinh Nguyen 2018-11-07 331 struct dwc3 *dwc = s->private; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 332 unsigned int current_mode; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 333 unsigned long flags; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 334 u32 reg; 86f75fd9ae2609 Udipto Goswami 2023-04-18 335 int ret; 86f75fd9ae2609 Udipto Goswami 2023-04-18 336 86f75fd9ae2609 Udipto Goswami 2023-04-18 337 ret = pm_runtime_get_sync(dwc->dev); 86f75fd9ae2609 Udipto Goswami 2023-04-18 @338 if (!ret || ret < 0) { 86f75fd9ae2609 Udipto Goswami 2023-04-18 339 pm_runtime_put(dwc->dev); 86f75fd9ae2609 Udipto Goswami 2023-04-18 340 return 0; 86f75fd9ae2609 Udipto Goswami 2023-04-18 341 } 62ba09d6bb6330 Thinh Nguyen 2018-11-07 342 62ba09d6bb6330 Thinh Nguyen 2018-11-07 343 spin_lock_irqsave(&dwc->lock, flags); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 344 reg = dwc3_readl(dwc->regs, DWC3_GSTS); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 345 current_mode = DWC3_GSTS_CURMOD(reg); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 346 62ba09d6bb6330 Thinh Nguyen 2018-11-07 347 switch (current_mode) { 62ba09d6bb6330 Thinh Nguyen 2018-11-07 348 case DWC3_GSTS_CURMOD_HOST: 62ba09d6bb6330 Thinh Nguyen 2018-11-07 349 dwc3_host_lsp(s); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 350 break; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 351 case DWC3_GSTS_CURMOD_DEVICE: 62ba09d6bb6330 Thinh Nguyen 2018-11-07 352 dwc3_gadget_lsp(s); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 353 break; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 354 default: 62ba09d6bb6330 Thinh Nguyen 2018-11-07 355 seq_puts(s, "Mode is unknown, no LSP register printed\n"); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 356 break; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 357 } 62ba09d6bb6330 Thinh Nguyen 2018-11-07 358 spin_unlock_irqrestore(&dwc->lock, flags); 86f75fd9ae2609 Udipto Goswami 2023-04-18 359 pm_runtime_put(dwc->dev); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 360 62ba09d6bb6330 Thinh Nguyen 2018-11-07 361 return 0; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 362 } 62ba09d6bb6330 Thinh Nguyen 2018-11-07 363 62ba09d6bb6330 Thinh Nguyen 2018-11-07 364 static int dwc3_lsp_open(struct inode *inode, struct file *file) 62ba09d6bb6330 Thinh Nguyen 2018-11-07 365 { 62ba09d6bb6330 Thinh Nguyen 2018-11-07 366 return single_open(file, dwc3_lsp_show, inode->i_private); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 367 } 62ba09d6bb6330 Thinh Nguyen 2018-11-07 368 62ba09d6bb6330 Thinh Nguyen 2018-11-07 369 static ssize_t dwc3_lsp_write(struct file *file, const char __user *ubuf, 62ba09d6bb6330 Thinh Nguyen 2018-11-07 370 size_t count, loff_t *ppos) 62ba09d6bb6330 Thinh Nguyen 2018-11-07 371 { 62ba09d6bb6330 Thinh Nguyen 2018-11-07 372 struct seq_file *s = file->private_data; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 373 struct dwc3 *dwc = s->private; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 374 unsigned long flags; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 375 char buf[32] = { 0 }; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 376 u32 sel; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 377 int ret; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 378 62ba09d6bb6330 Thinh Nguyen 2018-11-07 379 if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) 62ba09d6bb6330 Thinh Nguyen 2018-11-07 380 return -EFAULT; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 381 62ba09d6bb6330 Thinh Nguyen 2018-11-07 382 ret = kstrtouint(buf, 0, &sel); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 383 if (ret) 62ba09d6bb6330 Thinh Nguyen 2018-11-07 384 return ret; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 385 62ba09d6bb6330 Thinh Nguyen 2018-11-07 386 spin_lock_irqsave(&dwc->lock, flags); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 387 dwc->dbg_lsp_select = sel; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 388 spin_unlock_irqrestore(&dwc->lock, flags); 62ba09d6bb6330 Thinh Nguyen 2018-11-07 389 62ba09d6bb6330 Thinh Nguyen 2018-11-07 390 return count; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 391 } 62ba09d6bb6330 Thinh Nguyen 2018-11-07 392 62ba09d6bb6330 Thinh Nguyen 2018-11-07 393 static const struct file_operations dwc3_lsp_fops = { 62ba09d6bb6330 Thinh Nguyen 2018-11-07 394 .open = dwc3_lsp_open, 62ba09d6bb6330 Thinh Nguyen 2018-11-07 395 .write = dwc3_lsp_write, 62ba09d6bb6330 Thinh Nguyen 2018-11-07 396 .read = seq_read, 62ba09d6bb6330 Thinh Nguyen 2018-11-07 397 .llseek = seq_lseek, 62ba09d6bb6330 Thinh Nguyen 2018-11-07 398 .release = single_release, 62ba09d6bb6330 Thinh Nguyen 2018-11-07 399 }; 62ba09d6bb6330 Thinh Nguyen 2018-11-07 400 0b9fe32deece53 Felipe Balbi 2011-10-17 401 static int dwc3_mode_show(struct seq_file *s, void *unused) 0b9fe32deece53 Felipe Balbi 2011-10-17 402 { 0b9fe32deece53 Felipe Balbi 2011-10-17 403 struct dwc3 *dwc = s->private; 0b9fe32deece53 Felipe Balbi 2011-10-17 404 unsigned long flags; 0b9fe32deece53 Felipe Balbi 2011-10-17 405 u32 reg; 86f75fd9ae2609 Udipto Goswami 2023-04-18 406 int ret; 86f75fd9ae2609 Udipto Goswami 2023-04-18 407 86f75fd9ae2609 Udipto Goswami 2023-04-18 408 ret = pm_runtime_get_sync(dwc->dev); 86f75fd9ae2609 Udipto Goswami 2023-04-18 @409 if (!ret || ret < 0) { 86f75fd9ae2609 Udipto Goswami 2023-04-18 410 pm_runtime_put(dwc->dev); 86f75fd9ae2609 Udipto Goswami 2023-04-18 411 return 0; 86f75fd9ae2609 Udipto Goswami 2023-04-18 412 } 0b9fe32deece53 Felipe Balbi 2011-10-17 413 0b9fe32deece53 Felipe Balbi 2011-10-17 414 spin_lock_irqsave(&dwc->lock, flags); 0b9fe32deece53 Felipe Balbi 2011-10-17 415 reg = dwc3_readl(dwc->regs, DWC3_GCTL); 0b9fe32deece53 Felipe Balbi 2011-10-17 416 spin_unlock_irqrestore(&dwc->lock, flags); 0b9fe32deece53 Felipe Balbi 2011-10-17 417 0b9fe32deece53 Felipe Balbi 2011-10-17 418 switch (DWC3_GCTL_PRTCAP(reg)) { 0b9fe32deece53 Felipe Balbi 2011-10-17 419 case DWC3_GCTL_PRTCAP_HOST: 9ae0eb455b9136 Felipe Balbi 2020-08-13 420 seq_puts(s, "host\n"); 0b9fe32deece53 Felipe Balbi 2011-10-17 421 break; 0b9fe32deece53 Felipe Balbi 2011-10-17 422 case DWC3_GCTL_PRTCAP_DEVICE: 9ae0eb455b9136 Felipe Balbi 2020-08-13 423 seq_puts(s, "device\n"); 0b9fe32deece53 Felipe Balbi 2011-10-17 424 break; 0b9fe32deece53 Felipe Balbi 2011-10-17 425 case DWC3_GCTL_PRTCAP_OTG: 9ae0eb455b9136 Felipe Balbi 2020-08-13 426 seq_puts(s, "otg\n"); 0b9fe32deece53 Felipe Balbi 2011-10-17 427 break; 0b9fe32deece53 Felipe Balbi 2011-10-17 428 default: 0b9fe32deece53 Felipe Balbi 2011-10-17 429 seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg)); 0b9fe32deece53 Felipe Balbi 2011-10-17 430 } 0b9fe32deece53 Felipe Balbi 2011-10-17 431 86f75fd9ae2609 Udipto Goswami 2023-04-18 432 pm_runtime_put(dwc->dev); 0b9fe32deece53 Felipe Balbi 2011-10-17 433 return 0; 0b9fe32deece53 Felipe Balbi 2011-10-17 434 } 0b9fe32deece53 Felipe Balbi 2011-10-17 435 0b9fe32deece53 Felipe Balbi 2011-10-17 436 static int dwc3_mode_open(struct inode *inode, struct file *file) 0b9fe32deece53 Felipe Balbi 2011-10-17 437 { 0b9fe32deece53 Felipe Balbi 2011-10-17 438 return single_open(file, dwc3_mode_show, inode->i_private); 0b9fe32deece53 Felipe Balbi 2011-10-17 439 } 0b9fe32deece53 Felipe Balbi 2011-10-17 440 0b9fe32deece53 Felipe Balbi 2011-10-17 441 static ssize_t dwc3_mode_write(struct file *file, 0b9fe32deece53 Felipe Balbi 2011-10-17 442 const char __user *ubuf, size_t count, loff_t *ppos) 0b9fe32deece53 Felipe Balbi 2011-10-17 443 { 0b9fe32deece53 Felipe Balbi 2011-10-17 444 struct seq_file *s = file->private_data; 0b9fe32deece53 Felipe Balbi 2011-10-17 445 struct dwc3 *dwc = s->private; 3140e8cbfec18e Sebastian Andrzej Siewior 2011-10-31 446 u32 mode = 0; 0b9fe32deece53 Felipe Balbi 2011-10-17 447 char buf[32]; 0b9fe32deece53 Felipe Balbi 2011-10-17 448 0b9fe32deece53 Felipe Balbi 2011-10-17 449 if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) 0b9fe32deece53 Felipe Balbi 2011-10-17 450 return -EFAULT; 0b9fe32deece53 Felipe Balbi 2011-10-17 451 5bde3f020a150a Li Jun 2020-07-22 452 if (dwc->dr_mode != USB_DR_MODE_OTG) 5bde3f020a150a Li Jun 2020-07-22 453 return count; 5bde3f020a150a Li Jun 2020-07-22 454 0b9fe32deece53 Felipe Balbi 2011-10-17 455 if (!strncmp(buf, "host", 4)) b202c42cbf8120 Roger Quadros 2017-04-04 456 mode = DWC3_GCTL_PRTCAP_HOST; 0b9fe32deece53 Felipe Balbi 2011-10-17 457 0b9fe32deece53 Felipe Balbi 2011-10-17 458 if (!strncmp(buf, "device", 6)) b202c42cbf8120 Roger Quadros 2017-04-04 459 mode = DWC3_GCTL_PRTCAP_DEVICE; 0b9fe32deece53 Felipe Balbi 2011-10-17 460 0b9fe32deece53 Felipe Balbi 2011-10-17 461 if (!strncmp(buf, "otg", 3)) b202c42cbf8120 Roger Quadros 2017-04-04 462 mode = DWC3_GCTL_PRTCAP_OTG; 0b9fe32deece53 Felipe Balbi 2011-10-17 463 3140e8cbfec18e Sebastian Andrzej Siewior 2011-10-31 464 dwc3_set_mode(dwc, mode); 41ce1456e1dbbc Roger Quadros 2017-04-04 465 0b9fe32deece53 Felipe Balbi 2011-10-17 466 return count; 0b9fe32deece53 Felipe Balbi 2011-10-17 467 } 0b9fe32deece53 Felipe Balbi 2011-10-17 468 0b9fe32deece53 Felipe Balbi 2011-10-17 469 static const struct file_operations dwc3_mode_fops = { 0b9fe32deece53 Felipe Balbi 2011-10-17 470 .open = dwc3_mode_open, 0b9fe32deece53 Felipe Balbi 2011-10-17 471 .write = dwc3_mode_write, 0b9fe32deece53 Felipe Balbi 2011-10-17 472 .read = seq_read, 0b9fe32deece53 Felipe Balbi 2011-10-17 473 .llseek = seq_lseek, 0b9fe32deece53 Felipe Balbi 2011-10-17 474 .release = single_release, 0b9fe32deece53 Felipe Balbi 2011-10-17 475 }; 0b9fe32deece53 Felipe Balbi 2011-10-17 476 080d921fe7a8d2 Felipe Balbi 2012-01-02 477 static int dwc3_testmode_show(struct seq_file *s, void *unused) 080d921fe7a8d2 Felipe Balbi 2012-01-02 478 { 080d921fe7a8d2 Felipe Balbi 2012-01-02 479 struct dwc3 *dwc = s->private; 080d921fe7a8d2 Felipe Balbi 2012-01-02 480 unsigned long flags; 080d921fe7a8d2 Felipe Balbi 2012-01-02 481 u32 reg; 86f75fd9ae2609 Udipto Goswami 2023-04-18 482 int ret; 86f75fd9ae2609 Udipto Goswami 2023-04-18 483 86f75fd9ae2609 Udipto Goswami 2023-04-18 484 ret = pm_runtime_get_sync(dwc->dev); 86f75fd9ae2609 Udipto Goswami 2023-04-18 @485 if (!ret || ret < 0) { 86f75fd9ae2609 Udipto Goswami 2023-04-18 486 pm_runtime_put(dwc->dev); 86f75fd9ae2609 Udipto Goswami 2023-04-18 487 return 0; 86f75fd9ae2609 Udipto Goswami 2023-04-18 488 } 080d921fe7a8d2 Felipe Balbi 2012-01-02 489 080d921fe7a8d2 Felipe Balbi 2012-01-02 490 spin_lock_irqsave(&dwc->lock, flags); 080d921fe7a8d2 Felipe Balbi 2012-01-02 491 reg = dwc3_readl(dwc->regs, DWC3_DCTL); 080d921fe7a8d2 Felipe Balbi 2012-01-02 492 reg &= DWC3_DCTL_TSTCTRL_MASK; 080d921fe7a8d2 Felipe Balbi 2012-01-02 493 reg >>= 1; 080d921fe7a8d2 Felipe Balbi 2012-01-02 494 spin_unlock_irqrestore(&dwc->lock, flags); 080d921fe7a8d2 Felipe Balbi 2012-01-02 495 080d921fe7a8d2 Felipe Balbi 2012-01-02 496 switch (reg) { 080d921fe7a8d2 Felipe Balbi 2012-01-02 497 case 0: 9ae0eb455b9136 Felipe Balbi 2020-08-13 498 seq_puts(s, "no test\n"); 080d921fe7a8d2 Felipe Balbi 2012-01-02 499 break; 62fb45d317c5fa Greg Kroah-Hartman 2020-06-18 500 case USB_TEST_J: 9ae0eb455b9136 Felipe Balbi 2020-08-13 501 seq_puts(s, "test_j\n"); 080d921fe7a8d2 Felipe Balbi 2012-01-02 502 break; 62fb45d317c5fa Greg Kroah-Hartman 2020-06-18 503 case USB_TEST_K: 9ae0eb455b9136 Felipe Balbi 2020-08-13 504 seq_puts(s, "test_k\n"); 080d921fe7a8d2 Felipe Balbi 2012-01-02 505 break; 62fb45d317c5fa Greg Kroah-Hartman 2020-06-18 506 case USB_TEST_SE0_NAK: 9ae0eb455b9136 Felipe Balbi 2020-08-13 507 seq_puts(s, "test_se0_nak\n"); 080d921fe7a8d2 Felipe Balbi 2012-01-02 508 break; 62fb45d317c5fa Greg Kroah-Hartman 2020-06-18 509 case USB_TEST_PACKET: 9ae0eb455b9136 Felipe Balbi 2020-08-13 510 seq_puts(s, "test_packet\n"); 080d921fe7a8d2 Felipe Balbi 2012-01-02 511 break; 62fb45d317c5fa Greg Kroah-Hartman 2020-06-18 512 case USB_TEST_FORCE_ENABLE: 9ae0eb455b9136 Felipe Balbi 2020-08-13 513 seq_puts(s, "test_force_enable\n"); 080d921fe7a8d2 Felipe Balbi 2012-01-02 514 break; 080d921fe7a8d2 Felipe Balbi 2012-01-02 515 default: 080d921fe7a8d2 Felipe Balbi 2012-01-02 516 seq_printf(s, "UNKNOWN %d\n", reg); 080d921fe7a8d2 Felipe Balbi 2012-01-02 517 } 080d921fe7a8d2 Felipe Balbi 2012-01-02 518 86f75fd9ae2609 Udipto Goswami 2023-04-18 519 pm_runtime_put(dwc->dev); 080d921fe7a8d2 Felipe Balbi 2012-01-02 520 return 0; 080d921fe7a8d2 Felipe Balbi 2012-01-02 521 } 080d921fe7a8d2 Felipe Balbi 2012-01-02 522 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests