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Message-ID: <202204191252.3D5Xwd3o-lkp@intel.com>
Date: Tue, 19 Apr 2022 12:32:49 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 2226/2356]
drivers/bus/mhi/host/main.c:642:33: error: implicit declaration of function
'atomic_dec'
tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head: af93551cf39027d176f30b9beafc60a4c130998a
commit: 44cbd089ce5d36cfd91b9e9486163f0bd38d8995 [2226/2356] headers/deps: irq: Optimize <linux/interrupt.h> dependencies
config: x86_64-randconfig-a004-20220418 (https://download.01.org/0day-ci/archive/20220419/202204191252.3D5Xwd3o-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=44cbd089ce5d36cfd91b9e9486163f0bd38d8995
git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
git fetch --no-tags mingo-tip sched/headers
git checkout 44cbd089ce5d36cfd91b9e9486163f0bd38d8995
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from drivers/bus/mhi/host/main.c:21:
drivers/bus/mhi/host/internal.h:203:31: error: field 'task' has incomplete type
203 | struct tasklet_struct task;
| ^~~~
drivers/bus/mhi/host/internal.h: In function 'mhi_trigger_resume':
drivers/bus/mhi/host/internal.h:306:9: error: implicit declaration of function 'pm_wakeup_event' [-Werror=implicit-function-declaration]
306 | pm_wakeup_event(&mhi_cntrl->mhi_dev->dev, 0);
| ^~~~~~~~~~~~~~~
drivers/bus/mhi/host/main.c: In function 'mhi_create_devices':
drivers/bus/mhi/host/main.c:422:25: error: implicit declaration of function 'device_init_wakeup'; did you mean 'device_initialize'? [-Werror=implicit-function-declaration]
422 | device_init_wakeup(&mhi_dev->dev, true);
| ^~~~~~~~~~~~~~~~~~
| device_initialize
drivers/bus/mhi/host/main.c: In function 'mhi_irq_handler':
drivers/bus/mhi/host/main.c:460:17: error: implicit declaration of function 'tasklet_schedule' [-Werror=implicit-function-declaration]
460 | tasklet_schedule(&mhi_event->task);
| ^~~~~~~~~~~~~~~~
drivers/bus/mhi/host/main.c: In function 'mhi_intvec_threaded_handler':
drivers/bus/mhi/host/main.c:474:9: error: implicit declaration of function 'write_lock_irq' [-Werror=implicit-function-declaration]
474 | write_lock_irq(&mhi_cntrl->pm_lock);
| ^~~~~~~~~~~~~~
drivers/bus/mhi/host/main.c:476:17: error: implicit declaration of function 'write_unlock_irq'; did you mean 'wait_event_lock_irq'? [-Werror=implicit-function-declaration]
476 | write_unlock_irq(&mhi_cntrl->pm_lock);
| ^~~~~~~~~~~~~~~~
| wait_event_lock_irq
drivers/bus/mhi/host/main.c: In function 'parse_xfer_event':
drivers/bus/mhi/host/main.c:584:17: error: implicit declaration of function 'write_lock_irqsave' [-Werror=implicit-function-declaration]
584 | write_lock_irqsave(&mhi_chan->lock, flags);
| ^~~~~~~~~~~~~~~~~~
drivers/bus/mhi/host/main.c:586:17: error: implicit declaration of function 'read_lock_bh' [-Werror=implicit-function-declaration]
586 | read_lock_bh(&mhi_chan->lock);
| ^~~~~~~~~~~~
>> drivers/bus/mhi/host/main.c:642:33: error: implicit declaration of function 'atomic_dec' [-Werror=implicit-function-declaration]
642 | atomic_dec(&mhi_cntrl->pending_pkts);
| ^~~~~~~~~~
drivers/bus/mhi/host/main.c:672:17: error: implicit declaration of function 'read_lock_irqsave'; did you mean 'raw_local_irq_save'? [-Werror=implicit-function-declaration]
672 | read_lock_irqsave(&mhi_cntrl->pm_lock, pm_lock_flags);
| ^~~~~~~~~~~~~~~~~
| raw_local_irq_save
drivers/bus/mhi/host/main.c:677:17: error: implicit declaration of function 'read_unlock_irqrestore'; did you mean 'raw_local_irq_restore'? [-Werror=implicit-function-declaration]
677 | read_unlock_irqrestore(&mhi_cntrl->pm_lock, pm_lock_flags);
| ^~~~~~~~~~~~~~~~~~~~~~
| raw_local_irq_restore
drivers/bus/mhi/host/main.c:688:17: error: implicit declaration of function 'write_unlock_irqrestore'; did you mean 'printk_cpu_unlock_irqrestore'? [-Werror=implicit-function-declaration]
688 | write_unlock_irqrestore(&mhi_chan->lock, flags);
| ^~~~~~~~~~~~~~~~~~~~~~~
| printk_cpu_unlock_irqrestore
drivers/bus/mhi/host/main.c:690:17: error: implicit declaration of function 'read_unlock_bh' [-Werror=implicit-function-declaration]
690 | read_unlock_bh(&mhi_chan->lock);
| ^~~~~~~~~~~~~~
drivers/bus/mhi/host/main.c: In function 'mhi_process_cmd_completion':
drivers/bus/mhi/host/main.c:782:17: error: implicit declaration of function 'write_lock_bh' [-Werror=implicit-function-declaration]
782 | write_lock_bh(&mhi_chan->lock);
| ^~~~~~~~~~~~~
drivers/bus/mhi/host/main.c:785:17: error: implicit declaration of function 'write_unlock_bh' [-Werror=implicit-function-declaration]
785 | write_unlock_bh(&mhi_chan->lock);
| ^~~~~~~~~~~~~~~
drivers/bus/mhi/host/main.c: In function 'mhi_ev_task':
drivers/bus/mhi/host/main.c:1040:9: error: implicit declaration of function 'spin_lock_bh'; did you mean 'spin_lock_init'? [-Werror=implicit-function-declaration]
1040 | spin_lock_bh(&mhi_event->lock);
| ^~~~~~~~~~~~
| spin_lock_init
drivers/bus/mhi/host/main.c:1042:9: error: implicit declaration of function 'spin_unlock_bh' [-Werror=implicit-function-declaration]
1042 | spin_unlock_bh(&mhi_event->lock);
| ^~~~~~~~~~~~~~
drivers/bus/mhi/host/main.c: In function 'mhi_queue':
>> drivers/bus/mhi/host/main.c:1137:17: error: implicit declaration of function 'atomic_inc' [-Werror=implicit-function-declaration]
1137 | atomic_inc(&mhi_cntrl->pending_pkts);
| ^~~~~~~~~~
drivers/bus/mhi/host/main.c: In function 'mhi_prepare_channel':
drivers/bus/mhi/host/main.c:1492:25: error: implicit declaration of function 'read_lock_irq' [-Werror=implicit-function-declaration]
1492 | read_lock_irq(&mhi_chan->lock);
| ^~~~~~~~~~~~~
drivers/bus/mhi/host/main.c:1494:25: error: implicit declaration of function 'read_unlock_irq' [-Werror=implicit-function-declaration]
1494 | read_unlock_irq(&mhi_chan->lock);
| ^~~~~~~~~~~~~~~
drivers/bus/mhi/host/main.c: In function 'mhi_mark_stale_events':
drivers/bus/mhi/host/main.c:1536:9: error: implicit declaration of function 'spin_lock_irqsave'; did you mean 'spin_lock_init'? [-Werror=implicit-function-declaration]
1536 | spin_lock_irqsave(&mhi_event->lock, flags);
| ^~~~~~~~~~~~~~~~~
| spin_lock_init
drivers/bus/mhi/host/main.c:1559:9: error: implicit declaration of function 'spin_unlock_irqrestore'; did you mean 'printk_cpu_unlock_irqrestore'? [-Werror=implicit-function-declaration]
1559 | spin_unlock_irqrestore(&mhi_event->lock, flags);
| ^~~~~~~~~~~~~~~~~~~~~~
| printk_cpu_unlock_irqrestore
cc1: some warnings being treated as errors
--
In file included from drivers/bus/mhi/host/debugfs.c:14:
drivers/bus/mhi/host/internal.h:203:31: error: field 'task' has incomplete type
203 | struct tasklet_struct task;
| ^~~~
drivers/bus/mhi/host/internal.h: In function 'mhi_trigger_resume':
drivers/bus/mhi/host/internal.h:306:9: error: implicit declaration of function 'pm_wakeup_event' [-Werror=implicit-function-declaration]
306 | pm_wakeup_event(&mhi_cntrl->mhi_dev->dev, 0);
| ^~~~~~~~~~~~~~~
drivers/bus/mhi/host/debugfs.c: In function 'mhi_debugfs_states_show':
>> drivers/bus/mhi/host/debugfs.c:33:20: error: implicit declaration of function 'atomic_read' [-Werror=implicit-function-declaration]
33 | atomic_read(&mhi_cntrl->dev_wake),
| ^~~~~~~~~~~
drivers/bus/mhi/host/debugfs.c: In function 'mhi_debugfs_device_wake_write':
drivers/bus/mhi/host/debugfs.c:259:13: error: implicit declaration of function 'copy_from_user' [-Werror=implicit-function-declaration]
259 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
| ^~~~~~~~~~~~~~
drivers/bus/mhi/host/debugfs.c:259:40: error: implicit declaration of function 'min_t' [-Werror=implicit-function-declaration]
259 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
| ^~~~~
drivers/bus/mhi/host/debugfs.c:259:46: error: expected expression before 'size_t'
259 | if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
| ^~~~~~
cc1: some warnings being treated as errors
vim +/atomic_dec +642 drivers/bus/mhi/host/main.c
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 559
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 560 static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
84f5f31f110e5e drivers/bus/mhi/host/main.c Manivannan Sadhasivam 2022-03-01 561 struct mhi_ring_element *event,
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 562 struct mhi_chan *mhi_chan)
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 563 {
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 564 struct mhi_ring *buf_ring, *tre_ring;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 565 struct device *dev = &mhi_cntrl->mhi_dev->dev;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 566 struct mhi_result result;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 567 unsigned long flags = 0;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 568 u32 ev_code;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 569
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 570 ev_code = MHI_TRE_GET_EV_CODE(event);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 571 buf_ring = &mhi_chan->buf_ring;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 572 tre_ring = &mhi_chan->tre_ring;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 573
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 574 result.transaction_status = (ev_code == MHI_EV_CC_OVERFLOW) ?
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 575 -EOVERFLOW : 0;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 576
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 577 /*
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 578 * If it's a DB Event then we need to grab the lock
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 579 * with preemption disabled and as a write because we
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 580 * have to update db register and there are chances that
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 581 * another thread could be doing the same.
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 582 */
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 583 if (ev_code >= MHI_EV_CC_OOB)
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 @584 write_lock_irqsave(&mhi_chan->lock, flags);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 585 else
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 586 read_lock_bh(&mhi_chan->lock);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 587
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 588 if (mhi_chan->ch_state != MHI_CH_STATE_ENABLED)
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 589 goto end_process_tx_event;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 590
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 591 switch (ev_code) {
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 592 case MHI_EV_CC_OVERFLOW:
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 593 case MHI_EV_CC_EOB:
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 594 case MHI_EV_CC_EOT:
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 595 {
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 596 dma_addr_t ptr = MHI_TRE_GET_EV_PTR(event);
84f5f31f110e5e drivers/bus/mhi/host/main.c Manivannan Sadhasivam 2022-03-01 597 struct mhi_ring_element *local_rp, *ev_tre;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 598 void *dev_rp;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 599 struct mhi_buf_info *buf_info;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 600 u16 xfer_len;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 601
ec32332df7645e drivers/bus/mhi/core/main.c Jeffrey Hugo 2021-03-10 602 if (!is_valid_ring_ptr(tre_ring, ptr)) {
ec32332df7645e drivers/bus/mhi/core/main.c Jeffrey Hugo 2021-03-10 603 dev_err(&mhi_cntrl->mhi_dev->dev,
ec32332df7645e drivers/bus/mhi/core/main.c Jeffrey Hugo 2021-03-10 604 "Event element points outside of the tre ring\n");
ec32332df7645e drivers/bus/mhi/core/main.c Jeffrey Hugo 2021-03-10 605 break;
ec32332df7645e drivers/bus/mhi/core/main.c Jeffrey Hugo 2021-03-10 606 }
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 607 /* Get the TRB this event points to */
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 608 ev_tre = mhi_to_virtual(tre_ring, ptr);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 609
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 610 dev_rp = ev_tre + 1;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 611 if (dev_rp >= (tre_ring->base + tre_ring->len))
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 612 dev_rp = tre_ring->base;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 613
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 614 result.dir = mhi_chan->dir;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 615
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 616 local_rp = tre_ring->rp;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 617 while (local_rp != dev_rp) {
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 618 buf_info = buf_ring->rp;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 619 /* If it's the last TRE, get length from the event */
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 620 if (local_rp == ev_tre)
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 621 xfer_len = MHI_TRE_GET_EV_LEN(event);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 622 else
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 623 xfer_len = buf_info->len;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 624
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 625 /* Unmap if it's not pre-mapped by client */
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 626 if (likely(!buf_info->pre_mapped))
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 627 mhi_cntrl->unmap_single(mhi_cntrl, buf_info);
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 628
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 629 result.buf_addr = buf_info->cb_buf;
ee75cedf82d832 drivers/bus/mhi/core/main.c Hemant Kumar 2020-05-21 630
ee75cedf82d832 drivers/bus/mhi/core/main.c Hemant Kumar 2020-05-21 631 /* truncate to buf len if xfer_len is larger */
ee75cedf82d832 drivers/bus/mhi/core/main.c Hemant Kumar 2020-05-21 632 result.bytes_xferd =
ee75cedf82d832 drivers/bus/mhi/core/main.c Hemant Kumar 2020-05-21 633 min_t(u16, xfer_len, buf_info->len);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 634 mhi_del_ring_element(mhi_cntrl, buf_ring);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 635 mhi_del_ring_element(mhi_cntrl, tre_ring);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 636 local_rp = tre_ring->rp;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 637
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 638 /* notify client */
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 639 mhi_chan->xfer_cb(mhi_chan->mhi_dev, &result);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 640
4547a749be997e drivers/bus/mhi/core/main.c Loic Poulain 2021-04-06 641 if (mhi_chan->dir == DMA_TO_DEVICE) {
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 @642 atomic_dec(&mhi_cntrl->pending_pkts);
4547a749be997e drivers/bus/mhi/core/main.c Loic Poulain 2021-04-06 643 /* Release the reference got from mhi_queue() */
4547a749be997e drivers/bus/mhi/core/main.c Loic Poulain 2021-04-06 644 mhi_cntrl->runtime_put(mhi_cntrl);
4547a749be997e drivers/bus/mhi/core/main.c Loic Poulain 2021-04-06 645 }
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 646
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 647 /*
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 648 * Recycle the buffer if buffer is pre-allocated,
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 649 * if there is an error, not much we can do apart
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 650 * from dropping the packet
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 651 */
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 652 if (mhi_chan->pre_alloc) {
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 653 if (mhi_queue_buf(mhi_chan->mhi_dev,
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 654 mhi_chan->dir,
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 655 buf_info->cb_buf,
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 656 buf_info->len, MHI_EOT)) {
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 657 dev_err(dev,
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 658 "Error recycling buffer for chan:%d\n",
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 659 mhi_chan->chan);
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 660 kfree(buf_info->cb_buf);
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 661 }
189ff97cca53e3 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 662 }
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 663 }
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 664 break;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 665 } /* CC_EOT */
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 666 case MHI_EV_CC_OOB:
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 667 case MHI_EV_CC_DB_MODE:
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 668 {
683e77cadc839b drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2021-04-09 669 unsigned long pm_lock_flags;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 670
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 671 mhi_chan->db_cfg.db_mode = 1;
683e77cadc839b drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2021-04-09 672 read_lock_irqsave(&mhi_cntrl->pm_lock, pm_lock_flags);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 673 if (tre_ring->wp != tre_ring->rp &&
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 674 MHI_DB_ACCESS_VALID(mhi_cntrl)) {
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 675 mhi_ring_chan_db(mhi_cntrl, mhi_chan);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 676 }
683e77cadc839b drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2021-04-09 677 read_unlock_irqrestore(&mhi_cntrl->pm_lock, pm_lock_flags);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 678 break;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 679 }
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 680 case MHI_EV_CC_BAD_TRE:
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 681 default:
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 682 dev_err(dev, "Unknown event 0x%x\n", ev_code);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 683 break;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 684 } /* switch(MHI_EV_READ_CODE(EV_TRB_CODE,event)) */
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 685
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 686 end_process_tx_event:
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 687 if (ev_code >= MHI_EV_CC_OOB)
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 688 write_unlock_irqrestore(&mhi_chan->lock, flags);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 689 else
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 690 read_unlock_bh(&mhi_chan->lock);
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 691
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 692 return 0;
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 693 }
1d3173a3bae703 drivers/bus/mhi/core/main.c Manivannan Sadhasivam 2020-02-20 694
:::::: The code at line 642 was first introduced by commit
:::::: 1d3173a3bae7039b765a0956e3e4bf846dbaacb8 bus: mhi: core: Add support for processing events from client device
:::::: TO: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
--
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