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From: kernel test robot
Date: Fri Oct 09 2020 - 09:34:34 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d3d45f8220d60a0b2aaaacf8fb2be4e6ffd9008e
commit: a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c hinic: add mailbox function support
date: 5 months ago
:::::: branch date: 6 hours ago
:::::: commit date: 5 months ago
config: x86_64-randconfig-s022-20201003 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.2-201-g24bdaac6-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64

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

echo
echo "sparse warnings: (new ones prefixed by >>)"
echo
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:543:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got unsigned char [usertype] * @@
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:543:54: sparse: expected void volatile [noderef] <asn:2> *addr
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:543:54: sparse: got unsigned char [usertype] *
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:566:58: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got unsigned char [usertype] * @@
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:566:58: sparse: expected void volatile [noderef] <asn:2> *addr
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:566:58: sparse: got unsigned char [usertype] *
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:601:6: sparse: sparse: symbol 'dump_mox_reg' was not declared. Should it be static?
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1057:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [usertype] *data @@ got void [noderef] <asn:2> * @@
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1057:25: sparse: expected unsigned char [usertype] *data
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1057:25: sparse: got void [noderef] <asn:2> *
drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c: note: in included file:
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype]

vim +543 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c

a425b6e1c69ba90 Luo bin 2020-04-25 535
a425b6e1c69ba90 Luo bin 2020-04-25 536 static void mbox_copy_header(struct hinic_hwdev *hwdev,
a425b6e1c69ba90 Luo bin 2020-04-25 537 struct hinic_send_mbox *mbox, u64 *header)
a425b6e1c69ba90 Luo bin 2020-04-25 538 {
a425b6e1c69ba90 Luo bin 2020-04-25 539 u32 i, idx_max = MBOX_HEADER_SZ / sizeof(u32);
a425b6e1c69ba90 Luo bin 2020-04-25 540 u32 *data = (u32 *)header;
a425b6e1c69ba90 Luo bin 2020-04-25 541
a425b6e1c69ba90 Luo bin 2020-04-25 542 for (i = 0; i < idx_max; i++)
a425b6e1c69ba90 Luo bin 2020-04-25 @543 __raw_writel(*(data + i), mbox->data + i * sizeof(u32));
a425b6e1c69ba90 Luo bin 2020-04-25 544 }
a425b6e1c69ba90 Luo bin 2020-04-25 545
a425b6e1c69ba90 Luo bin 2020-04-25 546 static void mbox_copy_send_data(struct hinic_hwdev *hwdev,
a425b6e1c69ba90 Luo bin 2020-04-25 547 struct hinic_send_mbox *mbox, void *seg,
a425b6e1c69ba90 Luo bin 2020-04-25 548 u16 seg_len)
a425b6e1c69ba90 Luo bin 2020-04-25 549 {
a425b6e1c69ba90 Luo bin 2020-04-25 550 u8 mbox_max_buf[MBOX_SEG_LEN] = {0};
a425b6e1c69ba90 Luo bin 2020-04-25 551 u32 data_len, chk_sz = sizeof(u32);
a425b6e1c69ba90 Luo bin 2020-04-25 552 u32 *data = seg;
a425b6e1c69ba90 Luo bin 2020-04-25 553 u32 i, idx_max;
a425b6e1c69ba90 Luo bin 2020-04-25 554
a425b6e1c69ba90 Luo bin 2020-04-25 555 /* The mbox message should be aligned in 4 bytes. */
a425b6e1c69ba90 Luo bin 2020-04-25 556 if (seg_len % chk_sz) {
a425b6e1c69ba90 Luo bin 2020-04-25 557 memcpy(mbox_max_buf, seg, seg_len);
a425b6e1c69ba90 Luo bin 2020-04-25 558 data = (u32 *)mbox_max_buf;
a425b6e1c69ba90 Luo bin 2020-04-25 559 }
a425b6e1c69ba90 Luo bin 2020-04-25 560
a425b6e1c69ba90 Luo bin 2020-04-25 561 data_len = seg_len;
a425b6e1c69ba90 Luo bin 2020-04-25 562 idx_max = ALIGN(data_len, chk_sz) / chk_sz;
a425b6e1c69ba90 Luo bin 2020-04-25 563
a425b6e1c69ba90 Luo bin 2020-04-25 564 for (i = 0; i < idx_max; i++)
a425b6e1c69ba90 Luo bin 2020-04-25 565 __raw_writel(*(data + i),
a425b6e1c69ba90 Luo bin 2020-04-25 566 mbox->data + MBOX_HEADER_SZ + i * sizeof(u32));
a425b6e1c69ba90 Luo bin 2020-04-25 567 }
a425b6e1c69ba90 Luo bin 2020-04-25 568
a425b6e1c69ba90 Luo bin 2020-04-25 569 static void write_mbox_msg_attr(struct hinic_mbox_func_to_func *func_to_func,
a425b6e1c69ba90 Luo bin 2020-04-25 570 u16 dst_func, u16 dst_aeqn, u16 seg_len,
a425b6e1c69ba90 Luo bin 2020-04-25 571 int poll)
a425b6e1c69ba90 Luo bin 2020-04-25 572 {
a425b6e1c69ba90 Luo bin 2020-04-25 573 u16 rsp_aeq = (dst_aeqn == 0) ? 0 : HINIC_MBOX_RSP_AEQN;
a425b6e1c69ba90 Luo bin 2020-04-25 574 u32 mbox_int, mbox_ctrl;
a425b6e1c69ba90 Luo bin 2020-04-25 575
a425b6e1c69ba90 Luo bin 2020-04-25 576 mbox_int = HINIC_MBOX_INT_SET(dst_func, DST_FUNC) |
a425b6e1c69ba90 Luo bin 2020-04-25 577 HINIC_MBOX_INT_SET(dst_aeqn, DST_AEQN) |
a425b6e1c69ba90 Luo bin 2020-04-25 578 HINIC_MBOX_INT_SET(rsp_aeq, SRC_RESP_AEQN) |
a425b6e1c69ba90 Luo bin 2020-04-25 579 HINIC_MBOX_INT_SET(NO_DMA_ATTRIBUTE_VAL, STAT_DMA) |
a425b6e1c69ba90 Luo bin 2020-04-25 580 HINIC_MBOX_INT_SET(ALIGN(MBOX_SEG_LEN + MBOX_HEADER_SZ +
a425b6e1c69ba90 Luo bin 2020-04-25 581 MBOX_INFO_SZ, MBOX_SEG_LEN_ALIGN) >> 2,
a425b6e1c69ba90 Luo bin 2020-04-25 582 TX_SIZE) |
a425b6e1c69ba90 Luo bin 2020-04-25 583 HINIC_MBOX_INT_SET(STRONG_ORDER, STAT_DMA_SO_RO) |
a425b6e1c69ba90 Luo bin 2020-04-25 584 HINIC_MBOX_INT_SET(WRITE_BACK, WB_EN);
a425b6e1c69ba90 Luo bin 2020-04-25 585
a425b6e1c69ba90 Luo bin 2020-04-25 586 hinic_hwif_write_reg(func_to_func->hwif,
a425b6e1c69ba90 Luo bin 2020-04-25 587 HINIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF, mbox_int);
a425b6e1c69ba90 Luo bin 2020-04-25 588
a425b6e1c69ba90 Luo bin 2020-04-25 589 wmb(); /* writing the mbox int attributes */
a425b6e1c69ba90 Luo bin 2020-04-25 590 mbox_ctrl = HINIC_MBOX_CTRL_SET(TX_NOT_DONE, TX_STATUS);
a425b6e1c69ba90 Luo bin 2020-04-25 591
a425b6e1c69ba90 Luo bin 2020-04-25 592 if (poll)
a425b6e1c69ba90 Luo bin 2020-04-25 593 mbox_ctrl |= HINIC_MBOX_CTRL_SET(NOT_TRIGGER, TRIGGER_AEQE);
a425b6e1c69ba90 Luo bin 2020-04-25 594 else
a425b6e1c69ba90 Luo bin 2020-04-25 595 mbox_ctrl |= HINIC_MBOX_CTRL_SET(TRIGGER, TRIGGER_AEQE);
a425b6e1c69ba90 Luo bin 2020-04-25 596
a425b6e1c69ba90 Luo bin 2020-04-25 597 hinic_hwif_write_reg(func_to_func->hwif,
a425b6e1c69ba90 Luo bin 2020-04-25 598 HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF, mbox_ctrl);
a425b6e1c69ba90 Luo bin 2020-04-25 599 }
a425b6e1c69ba90 Luo bin 2020-04-25 600
a425b6e1c69ba90 Luo bin 2020-04-25 601 void dump_mox_reg(struct hinic_hwdev *hwdev)
a425b6e1c69ba90 Luo bin 2020-04-25 602 {
a425b6e1c69ba90 Luo bin 2020-04-25 603 u32 val;
a425b6e1c69ba90 Luo bin 2020-04-25 604
a425b6e1c69ba90 Luo bin 2020-04-25 605 val = hinic_hwif_read_reg(hwdev->hwif,
a425b6e1c69ba90 Luo bin 2020-04-25 606 HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF);
a425b6e1c69ba90 Luo bin 2020-04-25 607 dev_err(&hwdev->hwif->pdev->dev, "Mailbox control reg: 0x%x\n", val);
a425b6e1c69ba90 Luo bin 2020-04-25 608
a425b6e1c69ba90 Luo bin 2020-04-25 609 val = hinic_hwif_read_reg(hwdev->hwif,
a425b6e1c69ba90 Luo bin 2020-04-25 610 HINIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF);
a425b6e1c69ba90 Luo bin 2020-04-25 611 dev_err(&hwdev->hwif->pdev->dev, "Mailbox interrupt offset: 0x%x\n",
a425b6e1c69ba90 Luo bin 2020-04-25 612 val);
a425b6e1c69ba90 Luo bin 2020-04-25 613 }
a425b6e1c69ba90 Luo bin 2020-04-25 614
a425b6e1c69ba90 Luo bin 2020-04-25 615 static u16 get_mbox_status(struct hinic_send_mbox *mbox)
a425b6e1c69ba90 Luo bin 2020-04-25 616 {
a425b6e1c69ba90 Luo bin 2020-04-25 617 /* write back is 16B, but only use first 4B */
a425b6e1c69ba90 Luo bin 2020-04-25 @618 u64 wb_val = be64_to_cpu(*mbox->wb_status);
a425b6e1c69ba90 Luo bin 2020-04-25 619
a425b6e1c69ba90 Luo bin 2020-04-25 620 rmb(); /* verify reading before check */
a425b6e1c69ba90 Luo bin 2020-04-25 621
a425b6e1c69ba90 Luo bin 2020-04-25 622 return (u16)(wb_val & MBOX_WB_STATUS_ERRCODE_MASK);
a425b6e1c69ba90 Luo bin 2020-04-25 623 }
a425b6e1c69ba90 Luo bin 2020-04-25 624

---
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Attachment: .config.gz
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Next message: Hans de Goede: "Re: [PATCH V6 RESEND] HID: ASUS: Add support for ASUS N-Key keyboard"
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