[asahilinux:bits/090-spi-hid 11/12] drivers/hid/hid-magicmouse.c:662:41: warning: format specifies type 'unsigned short' but the argument has type 'int'
From: kernel test robot
Date: Fri Feb 04 2022 - 06:02:23 EST
tree: https://github.com/AsahiLinux/linux bits/090-spi-hid
head: 25070af6e6d0c750f307b019df19cc93a54b664c
commit: 193121bdba0a9e2be57fc6b4f1e53daf4164b1fa [11/12] HID: magicmouse: add support for Macbook trackpads
config: riscv-randconfig-r042-20220131 (https://download.01.org/0day-ci/archive/20220204/202202041829.eLXWBfs9-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a73e4ce6a59b01f0e37037761c1e6889d539d233)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/AsahiLinux/linux/commit/193121bdba0a9e2be57fc6b4f1e53daf4164b1fa
git remote add asahilinux https://github.com/AsahiLinux/linux
git fetch --no-tags asahilinux bits/090-spi-hid
git checkout 193121bdba0a9e2be57fc6b4f1e53daf4164b1fa
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/hid/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All warnings (new ones prefixed by >>):
>> drivers/hid/hid-magicmouse.c:662:41: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat]
hid_dbg(hdev, "ev x:%04hx y:%04hx\n", le16_to_int(f->abs_x),
~~~~~ ^~~~~~~~~~~~~~~~~~~~~
%04x
include/linux/hid.h:1199:30: note: expanded from macro 'hid_dbg'
dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:163:47: note: expanded from macro 'dev_dbg'
dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:129:34: note: expanded from macro 'dev_printk'
_dev_printk(level, dev, fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
drivers/hid/hid-magicmouse.c:663:4: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat]
le16_to_int(f->abs_y));
^~~~~~~~~~~~~~~~~~~~~
include/linux/hid.h:1199:30: note: expanded from macro 'hid_dbg'
dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:163:47: note: expanded from macro 'dev_dbg'
dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:129:34: note: expanded from macro 'dev_printk'
_dev_printk(level, dev, fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
2 warnings generated.
--
drivers/hid/hid-magicmouse.c:169: warning: Function parameter or member 'pos' not described in 'magicmouse_sc'
drivers/hid/hid-magicmouse.c:169: warning: Function parameter or member 'hdev' not described in 'magicmouse_sc'
drivers/hid/hid-magicmouse.c:169: warning: Function parameter or member 'work' not described in 'magicmouse_sc'
drivers/hid/hid-magicmouse.c:169: warning: Function parameter or member 'battery_timer' not described in 'magicmouse_sc'
drivers/hid/hid-magicmouse.c:169: warning: Function parameter or member 'input_ops' not described in 'magicmouse_sc'
>> drivers/hid/hid-magicmouse.c:592: warning: expecting prototype for struct trackpad. Prototype was for struct tp_header instead
vim +662 drivers/hid/hid-magicmouse.c
571
572 /**
573 * struct trackpad report
574 *
575 * @report_id: reportid
576 * @buttons: HID Usage Buttons 3 1-bit reports
577 * @num_fingers: the number of fingers being reported in @fingers
578 * @clicked: same as @buttons
579 */
580 struct tp_header {
581 // HID mouse report
582 u8 report_id;
583 u8 buttons;
584 u8 rel_x;
585 u8 rel_y;
586 u8 padding[4];
587 // HID vendor part, up to 1751 bytes
588 u8 unknown[22];
589 u8 num_fingers;
590 u8 clicked;
591 u8 unknown3[14];
> 592 };
593
594 static inline int le16_to_int(__le16 x)
595 {
596 return (signed short)le16_to_cpu(x);
597 }
598
599 static void report_finger_data(struct input_dev *input, int slot,
600 const struct input_mt_pos *pos,
601 const struct tp_finger *f)
602 {
603 input_mt_slot(input, slot);
604 input_mt_report_slot_state(input, MT_TOOL_FINGER, true);
605
606 input_report_abs(input, ABS_MT_TOUCH_MAJOR,
607 le16_to_int(f->touch_major) << 1);
608 input_report_abs(input, ABS_MT_TOUCH_MINOR,
609 le16_to_int(f->touch_minor) << 1);
610 input_report_abs(input, ABS_MT_WIDTH_MAJOR,
611 le16_to_int(f->tool_major) << 1);
612 input_report_abs(input, ABS_MT_WIDTH_MINOR,
613 le16_to_int(f->tool_minor) << 1);
614 input_report_abs(input, ABS_MT_ORIENTATION,
615 J314_TP_MAX_FINGER_ORIENTATION - le16_to_int(f->orientation));
616 input_report_abs(input, ABS_MT_PRESSURE, le16_to_int(f->pressure));
617 input_report_abs(input, ABS_MT_POSITION_X, pos->x);
618 input_report_abs(input, ABS_MT_POSITION_Y, pos->y);
619 }
620
621 static int magicmouse_raw_event_spi(struct hid_device *hdev,
622 struct hid_report *report, u8 *data, int size)
623 {
624 struct magicmouse_sc *msc = hid_get_drvdata(hdev);
625 struct input_dev *input = msc->input;
626 struct tp_header *tp_hdr;
627 struct tp_finger *f;
628 int i, n;
629 u32 npoints;
630 const size_t hdr_sz = sizeof(struct tp_header);
631 const size_t touch_sz = sizeof(struct tp_finger);
632 u8 map_contacs[MAX_CONTACTS];
633
634 // hid_warn(hdev, "%s\n", __func__);
635 // print_hex_dump_debug("appleft ev: ", DUMP_PREFIX_OFFSET, 16, 1, data,
636 // size, false);
637
638 if (data[0] != TRACKPAD2_USB_REPORT_ID)
639 return 0;
640
641 /* Expect 46 bytes of prefix, and N * 30 bytes of touch data. */
642 if (size < hdr_sz || ((size - hdr_sz) % touch_sz) != 0)
643 return 0;
644
645 tp_hdr = (struct tp_header *)data;
646
647 npoints = (size - hdr_sz) / touch_sz;
648 if (npoints < tp_hdr->num_fingers || npoints > MAX_CONTACTS) {
649 hid_warn(hdev,
650 "unexpected number of touches (%u) for "
651 "report\n",
652 npoints);
653 return 0;
654 }
655
656 n = 0;
657 for (i = 0; i < tp_hdr->num_fingers; i++) {
658 f = (struct tp_finger *)(data + hdr_sz + i * touch_sz);
659 if (le16_to_int(f->touch_major) == 0)
660 continue;
661
> 662 hid_dbg(hdev, "ev x:%04hx y:%04hx\n", le16_to_int(f->abs_x),
663 le16_to_int(f->abs_y));
664 msc->pos[n].x = le16_to_int(f->abs_x);
665 msc->pos[n].y = -le16_to_int(f->abs_y);
666 map_contacs[n] = i;
667 n++;
668 }
669
670 input_mt_assign_slots(input, msc->tracking_ids, msc->pos, n, 0);
671
672 for (i = 0; i < n; i++) {
673 int idx = map_contacs[i];
674 f = (struct tp_finger *)(data + hdr_sz + idx * touch_sz);
675 report_finger_data(input, msc->tracking_ids[i], &msc->pos[i], f);
676 }
677
678 input_mt_sync_frame(input);
679 input_report_key(input, BTN_MOUSE, data[1] & 1);
680
681 input_sync(input);
682 return 1;
683 }
684
---
0-DAY CI Kernel Test Service, Intel Corporation
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