Re: [PATCH 1/2] gpio: mmio: add brcm,bcm6345 support

From: kbuild test robot
Date: Wed Aug 03 2016 - 07:40:09 EST


Hi Christian,

[auto build test WARNING on gpio/for-next]
[also build test WARNING on next-20160803]
[cannot apply to v4.7]
[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/lvaro-Fern-ndez-Rojas/gpio-mmio-add-brcm-bcm6345-support/20160803-191501
base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next
config: x86_64-randconfig-x002-201631 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

In file included from include/linux/init.h:4:0,
from drivers/gpio/gpio-mmio.c:47:
drivers/gpio/gpio-mmio.c: In function 'bgpio_parse_dt':
drivers/gpio/gpio-mmio.c:597:30: error: 'dev' undeclared (first use in this function)
if (of_device_is_big_endian(dev->of_node))
^
include/linux/compiler.h:149:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/gpio/gpio-mmio.c:597:2: note: in expansion of macro 'if'
if (of_device_is_big_endian(dev->of_node))
^~
drivers/gpio/gpio-mmio.c:597:30: note: each undeclared identifier is reported only once for each function it appears in
if (of_device_is_big_endian(dev->of_node))
^
include/linux/compiler.h:149:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/gpio/gpio-mmio.c:597:2: note: in expansion of macro 'if'
if (of_device_is_big_endian(dev->of_node))
^~

vim +/if +597 drivers/gpio/gpio-mmio.c

581
582 static struct bgpio_pdata *bgpio_parse_dt(struct platform_device *pdev,
583 unsigned long *flags)
584 {
585 struct bgpio_pdata *pdata;
586
587 if (!of_match_device(bgpio_of_match, &pdev->dev))
588 return NULL;
589
590 pdata = devm_kzalloc(&pdev->dev, sizeof(struct bgpio_pdata),
591 GFP_KERNEL);
592 if (!pdata)
593 return ERR_PTR(-ENOMEM);
594
595 pdata->base = -1;
596
> 597 if (of_device_is_big_endian(dev->of_node))
598 *flags |= BGPIOF_BIG_ENDIAN_BYTE_ORDER;
599
600 if (of_property_read_bool(pdev->dev.of_node, "no-output"))
601 *flags |= BGPIOF_NO_OUTPUT;
602
603 return pdata;
604 }
605 #else

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