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Message-ID: <202308112255.SK1J0rze-lkp@intel.com>
Date: Fri, 11 Aug 2023 22:30:33 +0800
From: kernel test robot <lkp@...el.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: arch/arm/common/sa1111.c:802: warning: expecting prototype for
sa1111_probe(). Prototype was for __sa1111_probe() instead
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 25aa0bebba72b318e71fe205bfd1236550cc9534
commit: 8faf91c48ca20c714e0dd8cc5f510e3819852912 ARM: sa1100: un-deprecate jornada720
date: 7 months ago
config: arm-jornada720_defconfig (https://download.01.org/0day-ci/archive/20230811/202308112255.SK1J0rze-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230811/202308112255.SK1J0rze-lkp@intel.com/reproduce)
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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308112255.SK1J0rze-lkp@intel.com/
All warnings (new ones prefixed by >>):
arch/arm/common/sa1111.c:802: warning: Function parameter or member 'me' not described in '__sa1111_probe'
arch/arm/common/sa1111.c:802: warning: Function parameter or member 'mem' not described in '__sa1111_probe'
arch/arm/common/sa1111.c:802: warning: Function parameter or member 'irq' not described in '__sa1111_probe'
>> arch/arm/common/sa1111.c:802: warning: expecting prototype for sa1111_probe(). Prototype was for __sa1111_probe() instead
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for SA1100_SSP
Depends on [n]: ARCH_SA1100 [=y] && UNUSED_BOARD_FILES [=n]
Selected by [y]:
- SA1100_JORNADA720_SSP [=y] && ARCH_SA1100 [=y] && SA1100_JORNADA720 [=y]
vim +802 arch/arm/common/sa1111.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 787
^1da177e4c3f41 Linus Torvalds 2005-04-16 788 /**
^1da177e4c3f41 Linus Torvalds 2005-04-16 789 * sa1111_probe - probe for a single SA1111 chip.
^1da177e4c3f41 Linus Torvalds 2005-04-16 790 * @phys_addr: physical address of device.
^1da177e4c3f41 Linus Torvalds 2005-04-16 791 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 792 * Probe for a SA1111 chip. This must be called
^1da177e4c3f41 Linus Torvalds 2005-04-16 793 * before any other SA1111-specific code.
^1da177e4c3f41 Linus Torvalds 2005-04-16 794 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 795 * Returns:
^1da177e4c3f41 Linus Torvalds 2005-04-16 796 * %-ENODEV device not found.
^1da177e4c3f41 Linus Torvalds 2005-04-16 797 * %-EBUSY physical address already marked in-use.
f03ecaa0aa3a3b Russell King 2012-01-16 798 * %-EINVAL no platform data passed
^1da177e4c3f41 Linus Torvalds 2005-04-16 799 * %0 successful.
^1da177e4c3f41 Linus Torvalds 2005-04-16 800 */
351a102dbf489d Greg Kroah-Hartman 2012-12-21 801 static int __sa1111_probe(struct device *me, struct resource *mem, int irq)
^1da177e4c3f41 Linus Torvalds 2005-04-16 @802 {
f03ecaa0aa3a3b Russell King 2012-01-16 803 struct sa1111_platform_data *pd = me->platform_data;
^1da177e4c3f41 Linus Torvalds 2005-04-16 804 struct sa1111 *sachip;
^1da177e4c3f41 Linus Torvalds 2005-04-16 805 unsigned long id;
416112f818afcc David Brownell 2006-08-27 806 unsigned int has_devs;
^1da177e4c3f41 Linus Torvalds 2005-04-16 807 int i, ret = -ENODEV;
^1da177e4c3f41 Linus Torvalds 2005-04-16 808
f03ecaa0aa3a3b Russell King 2012-01-16 809 if (!pd)
f03ecaa0aa3a3b Russell King 2012-01-16 810 return -EINVAL;
f03ecaa0aa3a3b Russell King 2012-01-16 811
7d53c1f01210aa Russell King 2016-09-06 812 sachip = devm_kzalloc(me, sizeof(struct sa1111), GFP_KERNEL);
^1da177e4c3f41 Linus Torvalds 2005-04-16 813 if (!sachip)
^1da177e4c3f41 Linus Torvalds 2005-04-16 814 return -ENOMEM;
^1da177e4c3f41 Linus Torvalds 2005-04-16 815
deee856a5c6293 Russell King 2016-08-30 816 sachip->clk = devm_clk_get(me, "SA1111_CLK");
deee856a5c6293 Russell King 2016-08-30 817 if (IS_ERR(sachip->clk))
deee856a5c6293 Russell King 2016-08-30 818 return PTR_ERR(sachip->clk);
97d654f8eb4b8f Russell King 2006-03-15 819
72ae00c970cf1e Russell King 2011-09-22 820 ret = clk_prepare(sachip->clk);
72ae00c970cf1e Russell King 2011-09-22 821 if (ret)
deee856a5c6293 Russell King 2016-08-30 822 return ret;
72ae00c970cf1e Russell King 2011-09-22 823
^1da177e4c3f41 Linus Torvalds 2005-04-16 824 spin_lock_init(&sachip->lock);
^1da177e4c3f41 Linus Torvalds 2005-04-16 825
^1da177e4c3f41 Linus Torvalds 2005-04-16 826 sachip->dev = me;
^1da177e4c3f41 Linus Torvalds 2005-04-16 827 dev_set_drvdata(sachip->dev, sachip);
^1da177e4c3f41 Linus Torvalds 2005-04-16 828
ae99ddbc976572 Russell King 2012-01-26 829 sachip->pdata = pd;
^1da177e4c3f41 Linus Torvalds 2005-04-16 830 sachip->phys = mem->start;
^1da177e4c3f41 Linus Torvalds 2005-04-16 831 sachip->irq = irq;
^1da177e4c3f41 Linus Torvalds 2005-04-16 832
^1da177e4c3f41 Linus Torvalds 2005-04-16 833 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 834 * Map the whole region. This also maps the
^1da177e4c3f41 Linus Torvalds 2005-04-16 835 * registers for our children.
^1da177e4c3f41 Linus Torvalds 2005-04-16 836 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 837 sachip->base = ioremap(mem->start, PAGE_SIZE * 2);
^1da177e4c3f41 Linus Torvalds 2005-04-16 838 if (!sachip->base) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 839 ret = -ENOMEM;
72ae00c970cf1e Russell King 2011-09-22 840 goto err_clk_unprep;
^1da177e4c3f41 Linus Torvalds 2005-04-16 841 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 842
^1da177e4c3f41 Linus Torvalds 2005-04-16 843 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 844 * Probe for the chip. Only touch the SBI registers.
^1da177e4c3f41 Linus Torvalds 2005-04-16 845 */
a5b549eda2f1f2 Russell King 2016-09-07 846 id = readl_relaxed(sachip->base + SA1111_SKID);
^1da177e4c3f41 Linus Torvalds 2005-04-16 847 if ((id & SKID_ID_MASK) != SKID_SA1111_ID) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 848 printk(KERN_DEBUG "SA1111 not detected: ID = %08lx\n", id);
^1da177e4c3f41 Linus Torvalds 2005-04-16 849 ret = -ENODEV;
97d654f8eb4b8f Russell King 2006-03-15 850 goto err_unmap;
^1da177e4c3f41 Linus Torvalds 2005-04-16 851 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 852
4ed89f22280614 Russell King 2014-10-28 853 pr_info("SA1111 Microprocessor Companion Chip: silicon revision %lx, metal revision %lx\n",
4ed89f22280614 Russell King 2014-10-28 854 (id & SKID_SIREV_MASK) >> 4, id & SKID_MTREV_MASK);
^1da177e4c3f41 Linus Torvalds 2005-04-16 855
^1da177e4c3f41 Linus Torvalds 2005-04-16 856 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 857 * We found it. Wake the chip up, and initialise.
^1da177e4c3f41 Linus Torvalds 2005-04-16 858 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 859 sa1111_wake(sachip);
^1da177e4c3f41 Linus Torvalds 2005-04-16 860
36d31213022850 Russell King 2012-01-24 861 /*
36d31213022850 Russell King 2012-01-24 862 * The interrupt controller must be initialised before any
36d31213022850 Russell King 2012-01-24 863 * other device to ensure that the interrupts are available.
36d31213022850 Russell King 2012-01-24 864 */
36d31213022850 Russell King 2012-01-24 865 ret = sa1111_setup_irq(sachip, pd->irq_base);
36d31213022850 Russell King 2012-01-24 866 if (ret)
87d5dd62c07f90 Russell King 2016-09-06 867 goto err_clk;
36d31213022850 Russell King 2012-01-24 868
17cf50116e10af Russell King 2016-08-31 869 /* Setup the GPIOs - should really be done after the IRQ setup */
17cf50116e10af Russell King 2016-08-31 870 ret = sa1111_setup_gpios(sachip);
17cf50116e10af Russell King 2016-08-31 871 if (ret)
17cf50116e10af Russell King 2016-08-31 872 goto err_irq;
17cf50116e10af Russell King 2016-08-31 873
:::::: The code at line 802 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>
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