tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   d012a7190fc1fd72ed48911e77ca97ba4521bccd
commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to 
define address spaces
date:   9 weeks ago
config: powerpc64-randconfig-s032-20200824 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 9.3.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.2-191-g10164920-dirty
        git checkout 670d0a4b10704667765f7d18f7592993d02783aa
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


sparse warnings: (new ones prefixed by >>)

>> arch/powerpc/platforms/4xx/gpio.c:63:28: sparse: sparse: incorrect type in 
>> argument 1 (different base types) @@     expected unsigned int const 
>> volatile [noderef] [usertype] __iomem *addr @@     got restricted __be32 
>> [noderef] __iomem * @@
>> arch/powerpc/platforms/4xx/gpio.c:63:28: sparse:     expected unsigned int 
>> const volatile [noderef] [usertype] __iomem *addr
>> arch/powerpc/platforms/4xx/gpio.c:63:28: sparse:     got restricted __be32 
>> [noderef] __iomem *
>> arch/powerpc/platforms/4xx/gpio.c:103:9: sparse: sparse: incorrect type in 
>> argument 1 (different base types) @@     expected unsigned int volatile 
>> [noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
>> __iomem * @@
>> arch/powerpc/platforms/4xx/gpio.c:103:9: sparse:     expected unsigned int 
>> volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:103:9: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:103:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:103:9: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:103:9: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:106:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:106:9: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:106:9: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:106:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:106:9: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:106:9: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:110:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:110:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:110:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:110:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:110:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:110:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:111:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:111:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:111:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:111:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:111:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:111:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:113:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:113:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:113:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:113:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:113:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:113:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:114:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:114:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:114:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:114:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:114:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:114:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:136:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:136:9: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:136:9: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:136:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:136:9: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:136:9: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:139:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:139:9: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:139:9: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:139:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:139:9: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:139:9: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:143:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:143:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:143:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:143:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:143:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:143:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:144:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:144:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:144:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:144:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:144:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:144:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:146:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:146:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:146:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:146:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:146:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:146:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:147:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:147:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:147:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:147:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:147:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:147:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:73:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse:     expected unsigned int 
volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse:     got restricted __be32 
[noderef] __iomem *
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected unsigned int const volatile 
[noderef] [usertype] __iomem *addr @@     got restricted __be32 [noderef] 
__iomem * @@
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse:     expected unsigned int 
const volatile [noderef] [usertype] __iomem *addr
   arch/powerpc/platforms/4xx/gpio.c:75:17: sparse:     got restricted __be32 
[noderef] __iomem *

# 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=670d0a4b10704667765f7d18f7592993d02783aa
git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 670d0a4b10704667765f7d18f7592993d02783aa
vim +63 arch/powerpc/platforms/4xx/gpio.c

878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
51  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
52  /*
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
53   * GPIO LIB API implementation for GPIOs
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
54   *
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
55   * There are a maximum of 32 gpios in each gpio controller.
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
56   */
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
57  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
58  static int ppc4xx_gpio_get(struct gpio_chip *gc, unsigned int gpio)
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
59  {
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
60        struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
61        struct ppc4xx_gpio __iomem *regs = mm_gc->regs;
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
62  
eecdf59ad2fb90 arch/powerpc/sysdev/ppc4xx_gpio.c Linus Walleij   2015-12-21  
@63        return !!(in_be32(&regs->ir) & GPIO_MASK(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
64  }
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
65  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
66  static inline void
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
67  __ppc4xx_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
68  {
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
69        struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
70        struct ppc4xx_gpio __iomem *regs = mm_gc->regs;
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
71  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
72        if (val)
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
73                setbits32(&regs->or, GPIO_MASK(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
74        else
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
75                clrbits32(&regs->or, GPIO_MASK(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
76  }
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
77  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
78  static void
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
79  ppc4xx_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
80  {
0d36fe65f58391 arch/powerpc/sysdev/ppc4xx_gpio.c Linus Walleij   2015-12-08   
81        struct ppc4xx_gpio_chip *chip = gpiochip_get_data(gc);
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
82        unsigned long flags;
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
83  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
84        spin_lock_irqsave(&chip->lock, flags);
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
85  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
86        __ppc4xx_gpio_set(gc, gpio, val);
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
87  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
88        spin_unlock_irqrestore(&chip->lock, flags);
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
89  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
90        pr_debug("%s: gpio: %d val: %d\n", __func__, gpio, val);
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
91  }
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
92  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
93  static int ppc4xx_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
94  {
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
95        struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
0d36fe65f58391 arch/powerpc/sysdev/ppc4xx_gpio.c Linus Walleij   2015-12-08   
96        struct ppc4xx_gpio_chip *chip = gpiochip_get_data(gc);
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
97        struct ppc4xx_gpio __iomem *regs = mm_gc->regs;
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
98        unsigned long flags;
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13   
99  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
100        spin_lock_irqsave(&chip->lock, flags);
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
101  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
102        /* Disable open-drain function */
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13 
@103        clrbits32(&regs->odr, GPIO_MASK(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
104  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
105        /* Float the pin */
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
106        clrbits32(&regs->tcr, GPIO_MASK(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
107  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
108        /* Bits 0-15 use TSRL/OSRL, bits 16-31 use TSRH/OSRH */
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
109        if (gpio < 16) {
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
110                clrbits32(&regs->osrl, GPIO_MASK2(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
111                clrbits32(&regs->tsrl, GPIO_MASK2(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
112        } else {
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
113                clrbits32(&regs->osrh, GPIO_MASK2(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
114                clrbits32(&regs->tsrh, GPIO_MASK2(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
115        }
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
116  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
117        spin_unlock_irqrestore(&chip->lock, flags);
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
118  
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
119        return 0;
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
120  }
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13  
121  

:::::: The code at line 63 was first introduced by commit
:::::: eecdf59ad2fb90d8238a42e2ec41f165964349bb powerpc: ppc4cc/gpio: Be sure 
to clamp return value

:::::: TO: Linus Walleij <[email protected]>
:::::: CC: Linus Walleij <[email protected]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

Attachment: .config.gz
Description: application/gzip

Reply via email to