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 <lkp(a)intel.com>
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...
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(®s->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(®s->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(®s->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(®s->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(®s->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(®s->osrl, GPIO_MASK2(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13 111
clrbits32(®s->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(®s->osrh, GPIO_MASK2(gpio));
878e7556bfe7b1 arch/powerpc/sysdev/ppc4xx_gpio.c Steven A. Falco 2008-10-13 114
clrbits32(®s->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 <linus.walleij(a)linaro.org>
:::::: CC: Linus Walleij <linus.walleij(a)linaro.org>
---
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