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Date:   Mon, 23 Jan 2017 14:47:24 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Andrew Jeffery <andrew@...id.au>
Cc:     kbuild-all@...org, Linus Walleij <linus.walleij@...aro.org>,
        Andrew Jeffery <andrew@...id.au>,
        Joel Stanley <joel@....id.au>, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org
Subject: Re: [PATCH 2/2] gpio: aspeed: Add banks Y, Z, AA, AB and AC

Hi Andrew,

[auto build test ERROR on gpio/for-next]
[also build test ERROR on v4.10-rc5 next-20170123]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Andrew-Jeffery/gpio-aspeed-Implement-banks-Y-Z-AA-AB-and-AC/20170123-134930
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All error/warnings (new ones prefixed by >>):

   In file included from include/linux/kernel.h:10:0,
                    from include/linux/list.h:8,
                    from include/linux/module.h:9,
                    from drivers/gpio/gpio-aspeed.c:12:
   drivers/gpio/gpio-aspeed.c: In function 'set_irq_valid_mask':
>> include/linux/bitops.h:50:35: error: passing argument 1 of 'find_first_zero_bit' from incompatible pointer type [-Werror=incompatible-pointer-types]
     for ((bit) = find_first_zero_bit((addr), (size)); \
                                      ^
>> drivers/gpio/gpio-aspeed.c:457:3: note: in expansion of macro 'for_each_clear_bit'
      for_each_clear_bit(offset, &props->input, 32) {
      ^~~~~~~~~~~~~~~~~~
   In file included from arch/x86/include/asm/bitops.h:509:0,
                    from include/linux/bitops.h:36,
                    from include/linux/kernel.h:10,
                    from include/linux/list.h:8,
                    from include/linux/module.h:9,
                    from drivers/gpio/gpio-aspeed.c:12:
   include/asm-generic/bitops/find.h:53:22: note: expected 'const long unsigned int *' but argument is of type 'const u32 * {aka const unsigned int *}'
    extern unsigned long find_first_zero_bit(const unsigned long *addr,
                         ^~~~~~~~~~~~~~~~~~~
   In file included from include/linux/kernel.h:10:0,
                    from include/linux/list.h:8,
                    from include/linux/module.h:9,
                    from drivers/gpio/gpio-aspeed.c:12:
>> include/linux/bitops.h:52:34: error: passing argument 1 of 'find_next_zero_bit' from incompatible pointer type [-Werror=incompatible-pointer-types]
          (bit) = find_next_zero_bit((addr), (size), (bit) + 1))
                                     ^
>> drivers/gpio/gpio-aspeed.c:457:3: note: in expansion of macro 'for_each_clear_bit'
      for_each_clear_bit(offset, &props->input, 32) {
      ^~~~~~~~~~~~~~~~~~
   In file included from arch/x86/include/asm/bitops.h:509:0,
                    from include/linux/bitops.h:36,
                    from include/linux/kernel.h:10,
                    from include/linux/list.h:8,
                    from include/linux/module.h:9,
                    from drivers/gpio/gpio-aspeed.c:12:
   include/asm-generic/bitops/find.h:28:22: note: expected 'const long unsigned int *' but argument is of type 'const u32 * {aka const unsigned int *}'
    extern unsigned long find_next_zero_bit(const unsigned long *addr, unsigned
                         ^~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/for_each_clear_bit +457 drivers/gpio/gpio-aspeed.c

   441	static struct irq_chip aspeed_gpio_irqchip = {
   442		.name		= "aspeed-gpio",
   443		.irq_ack	= aspeed_gpio_irq_ack,
   444		.irq_mask	= aspeed_gpio_irq_mask,
   445		.irq_unmask	= aspeed_gpio_irq_unmask,
   446		.irq_set_type	= aspeed_gpio_set_type,
   447	};
   448	
   449	static void set_irq_valid_mask(struct aspeed_gpio *gpio)
   450	{
   451		const struct aspeed_bank_props *props = gpio->config->props;
   452	
   453		while (!is_bank_props_sentinel(props)) {
   454			unsigned int offset;
   455	
   456			/* Pretty crummy approach, but similar to GPIO core */
 > 457			for_each_clear_bit(offset, &props->input, 32) {
   458				unsigned int i = props->bank * 32 + offset;
   459	
   460				if (i >= gpio->config->nr_gpios)
   461					break;
   462	
   463				clear_bit(i, gpio->chip.irq_valid_mask);
   464			}
   465	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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