Hi Jyothi,

kernel test robot noticed the following build errors:

[auto build test ERROR on 55bcd2e0d04c1171d382badef1def1fd04ef66c5]

url: https://github.com/intel-lab-lkp/linux/commits/Jyothi-Kumar-Seerapu/dt-bindi... base: 55bcd2e0d04c1171d382badef1def1fd04ef66c5 patch link: https://lore.kernel.org/r/20241015120750.21217-6-quic_jseerapu%40quicinc.com patch subject: [PATCH v1 5/5] i2c: i2c-qcom-geni: Add Block event interrupt support config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241019/202410190549.hGAfByqg-lkp@i...) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241019/202410190549.hGAfByqg-lkp@i...)

If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202410190549.hGAfByqg-lkp@intel.com/

All errors (new ones prefixed by >>):

...

drivers/i2c/busses/i2c-qcom-geni.c:562:8: error: incompatible pointer to integer conversion passing 'dma_addr_t *' (aka 'unsigned long long *') to parameter of type 'dma_addr_t' (aka 'unsigned long long'); dereference with * [-Wint-conversion]

562 | tx_multi_xfer->dma_addr[wr_idx], NULL, NULL); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | * drivers/i2c/busses/i2c-qcom-geni.c:519:36: note: passing argument to parameter 'tx_addr' here 519 | void *tx_buf, dma_addr_t tx_addr, | ^

...

drivers/i2c/busses/i2c-qcom-geni.c:562:47: error: incompatible pointer to integer conversion passing 'void *' to parameter of type 'dma_addr_t' (aka 'unsigned long long') [-Wint-conversion]

562 | tx_multi_xfer->dma_addr[wr_idx], NULL, NULL); | ^~~~ include/linux/stddef.h:8:14: note: expanded from macro 'NULL' 8 | #define NULL ((void *)0) | ^~~~~~~~~~~ drivers/i2c/busses/i2c-qcom-geni.c:520:36: note: passing argument to parameter 'rx_addr' here 520 | void *rx_buf, dma_addr_t rx_addr) | ^

...

drivers/i2c/busses/i2c-qcom-geni.c:586:7: error: incompatible pointer to integer conversion assigning to 'dma_addr_t' (aka 'unsigned long long') from 'dma_addr_t *' (aka 'unsigned long long *'); dereference with * [-Wint-conversion]

586 | addr = gi2c_gpi_xfer->dma_addr[gi2c_gpi_xfer->buf_idx]; | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | * 3 errors generated.

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for OMAP2PLUS_MBOX Depends on [n]: MAILBOX [=y] && (ARCH_OMAP2PLUS || ARCH_K3) Selected by [y]: - TI_K3_M4_REMOTEPROC [=y] && REMOTEPROC [=y] && (ARCH_K3 || COMPILE_TEST [=y])

vim +562 drivers/i2c/busses/i2c-qcom-geni.c

532 533 /** 534 * gpi_i2c_multi_desc_unmap() - unmaps the buffers post multi message TX transfers 535 * @dev: pointer to the corresponding dev node 536 * @gi2c: i2c dev handle 537 * @msgs: i2c messages array 538 * @peripheral: pointer to the gpi_i2c_config 539 */ 540 static void gpi_i2c_multi_desc_unmap(struct geni_i2c_dev *gi2c, struct i2c_msg msgs[], 541 struct gpi_i2c_config *peripheral) 542 { 543 u32 msg_xfer_cnt, wr_idx = 0; 544 struct gpi_multi_xfer *tx_multi_xfer = &peripheral->multi_xfer; 545 546 /* 547 * In error case, need to unmap all messages based on the msg_idx_cnt. 548 * Non-error case unmap all the processed messages. 549 */ 550 if (gi2c->err) 551 msg_xfer_cnt = tx_multi_xfer->msg_idx_cnt; 552 else 553 msg_xfer_cnt = tx_multi_xfer->irq_cnt * NUM_MSGS_PER_IRQ; 554 555 /* Unmap the processed DMA buffers based on the received interrupt count */ 556 for (; tx_multi_xfer->unmap_msg_cnt < msg_xfer_cnt; tx_multi_xfer->unmap_msg_cnt++) { 557 if (tx_multi_xfer->unmap_msg_cnt == gi2c->num_msgs) 558 break; 559 wr_idx = tx_multi_xfer->unmap_msg_cnt % QCOM_GPI_MAX_NUM_MSGS; 560 geni_i2c_gpi_unmap(gi2c, &msgs[tx_multi_xfer->unmap_msg_cnt], 561 tx_multi_xfer->dma_buf[wr_idx],

562 tx_multi_xfer->dma_addr[wr_idx], NULL, NULL);

563 tx_multi_xfer->freed_msg_cnt++; 564 } 565 } 566 567 static int geni_i2c_gpi(struct geni_i2c_dev *gi2c, struct i2c_msg msgs[], int cur_msg_idx, 568 struct dma_slave_config *config, dma_addr_t *dma_addr_p, 569 void **buf, unsigned int op, struct dma_chan *dma_chan) 570 { 571 struct gpi_i2c_config *peripheral; 572 unsigned int flags; 573 void *dma_buf; 574 dma_addr_t addr; 575 enum dma_data_direction map_dirn; 576 enum dma_transfer_direction dma_dirn; 577 struct dma_async_tx_descriptor *desc; 578 int ret; 579 struct gpi_multi_xfer *gi2c_gpi_xfer; 580 dma_cookie_t cookie; 581 582 peripheral = config->peripheral_config; 583 gi2c_gpi_xfer = &peripheral->multi_xfer; 584 gi2c_gpi_xfer->msg_idx_cnt = cur_msg_idx; 585 dma_buf = gi2c_gpi_xfer->dma_buf[gi2c_gpi_xfer->buf_idx];

586 addr = gi2c_gpi_xfer->dma_addr[gi2c_gpi_xfer->buf_idx];

587 588 dma_buf = i2c_get_dma_safe_msg_buf(&msgs[gi2c_gpi_xfer->msg_idx_cnt], 1); 589 if (!dma_buf) { 590 gi2c->err = -ENOMEM; 591 return -ENOMEM; 592 } 593 594 if (op == I2C_WRITE) 595 map_dirn = DMA_TO_DEVICE; 596 else 597 map_dirn = DMA_FROM_DEVICE; 598 599 addr = dma_map_single(gi2c->se.dev->parent, 600 dma_buf, msgs[gi2c_gpi_xfer->msg_idx_cnt].len, 601 map_dirn); 602 if (dma_mapping_error(gi2c->se.dev->parent, addr)) { 603 i2c_put_dma_safe_msg_buf(dma_buf, &msgs[gi2c_gpi_xfer->msg_idx_cnt], 604 false); 605 gi2c->err = -ENOMEM; 606 return -ENOMEM; 607 } 608 609 if (gi2c->is_tx_multi_xfer) { 610 if (((gi2c_gpi_xfer->msg_idx_cnt + 1) % NUM_MSGS_PER_IRQ)) 611 peripheral->flags |= QCOM_GPI_BLOCK_EVENT_IRQ; 612 else 613 peripheral->flags &= ~QCOM_GPI_BLOCK_EVENT_IRQ; 614 615 /* BEI bit to be cleared for last TRE */ 616 if (gi2c_gpi_xfer->msg_idx_cnt == gi2c->num_msgs - 1) 617 peripheral->flags &= ~QCOM_GPI_BLOCK_EVENT_IRQ; 618 } 619 620 /* set the length as message for rx txn */ 621 peripheral->rx_len = msgs[gi2c_gpi_xfer->msg_idx_cnt].len; 622 peripheral->op = op; 623 624 ret = dmaengine_slave_config(dma_chan, config); 625 if (ret) { 626 dev_err(gi2c->se.dev, "dma config error: %d for op:%d\n", ret, op); 627 goto err_config; 628 } 629 630 peripheral->set_config = 0; 631 peripheral->multi_msg = true; 632 flags = DMA_PREP_INTERRUPT | DMA_CTRL_ACK; 633 634 if (op == I2C_WRITE) 635 dma_dirn = DMA_MEM_TO_DEV; 636 else 637 dma_dirn = DMA_DEV_TO_MEM; 638 639 desc = dmaengine_prep_slave_single(dma_chan, addr, 640 msgs[gi2c_gpi_xfer->msg_idx_cnt].len, 641 dma_dirn, flags); 642 if (!desc) { 643 dev_err(gi2c->se.dev, "prep_slave_sg failed\n"); 644 gi2c->err = -EIO; 645 goto err_config; 646 } 647 648 desc->callback_result = i2c_gpi_cb_result; 649 desc->callback_param = gi2c; 650 651 if (!((msgs[cur_msg_idx].flags & I2C_M_RD) && op == I2C_WRITE)) { 652 gi2c_gpi_xfer->msg_idx_cnt++; 653 gi2c_gpi_xfer->buf_idx = (cur_msg_idx + 1) % QCOM_GPI_MAX_NUM_MSGS; 654 } 655 cookie = dmaengine_submit(desc); 656 if (dma_submit_error(cookie)) { 657 dev_err(gi2c->se.dev, 658 "%s: dmaengine_submit failed (%d)\n", __func__, cookie); 659 return -EINVAL; 660 } 661 662 if (gi2c->is_tx_multi_xfer) { 663 dma_async_issue_pending(gi2c->tx_c); 664 if ((cur_msg_idx == (gi2c->num_msgs - 1)) || 665 (gi2c_gpi_xfer->msg_idx_cnt >= 666 QCOM_GPI_MAX_NUM_MSGS + gi2c_gpi_xfer->freed_msg_cnt)) { 667 ret = gpi_multi_desc_process(gi2c->se.dev, gi2c_gpi_xfer, 668 gi2c->num_msgs, XFER_TIMEOUT, 669 &gi2c->done); 670 if (ret) { 671 dev_dbg(gi2c->se.dev, 672 "I2C multi write msg transfer timeout: %d\n", 673 ret); 674 gi2c->err = -ETIMEDOUT; 675 goto err_config; 676 } 677 } 678 } else { 679 /* Non multi descriptor message transfer */ 680 *buf = dma_buf; 681 *dma_addr_p = addr; 682 } 683 return 0; 684 685 err_config: 686 dma_unmap_single(gi2c->se.dev->parent, addr, 687 msgs[cur_msg_idx].len, map_dirn); 688 i2c_put_dma_safe_msg_buf(dma_buf, &msgs[cur_msg_idx], false); 689 return ret; 690 } 691