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SubjectRe: [PATCH] gpio: drop unnecessary includes from include/linux/gpio/driver.h
Hi Masahiro,

[auto build test ERROR on next-20170705]
[cannot apply to gpio/for-next tegra/for-next xlnx/master v4.12 v4.12-rc7 v4.12-rc6 v4.12]
[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/Masahiro-Yamada/gpio-drop-unnecessary-includes-from-include-linux-gpio-driver-h/20170706-123711
config: blackfin-allyesconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 6.2.0
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=blackfin

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

drivers//i2c/muxes/i2c-mux-ltc4306.c: In function 'ltc4306_gpio_set_config':
>> drivers//i2c/muxes/i2c-mux-ltc4306.c:138:10: error: implicit declaration of function 'pinconf_to_config_param' [-Werror=implicit-function-declaration]
switch (pinconf_to_config_param(config)) {
^~~~~~~~~~~~~~~~~~~~~~~
>> drivers//i2c/muxes/i2c-mux-ltc4306.c:139:7: error: 'PIN_CONFIG_DRIVE_OPEN_DRAIN' undeclared (first use in this function)
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers//i2c/muxes/i2c-mux-ltc4306.c:139:7: note: each undeclared identifier is reported only once for each function it appears in
>> drivers//i2c/muxes/i2c-mux-ltc4306.c:142:7: error: 'PIN_CONFIG_DRIVE_PUSH_PULL' undeclared (first use in this function)
case PIN_CONFIG_DRIVE_PUSH_PULL:
^~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
drivers//staging/greybus/gpio.c: In function 'gb_gpio_set_config':
>> drivers//staging/greybus/gpio.c:483:6: error: implicit declaration of function 'pinconf_to_config_param' [-Werror=implicit-function-declaration]
if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
^~~~~~~~~~~~~~~~~~~~~~~
>> drivers//staging/greybus/gpio.c:483:41: error: 'PIN_CONFIG_INPUT_DEBOUNCE' undeclared (first use in this function)
if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers//staging/greybus/gpio.c:483:41: note: each undeclared identifier is reported only once for each function it appears in
>> drivers//staging/greybus/gpio.c:486:13: error: implicit declaration of function 'pinconf_to_config_argument' [-Werror=implicit-function-declaration]
debounce = pinconf_to_config_argument(config);
^~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
drivers/usb/serial/cp210x.c: In function 'cp210x_gpio_set_config':
>> drivers/usb/serial/cp210x.c:1340:7: error: variable 'param' has initializer but incomplete type
enum pin_config_param param = pinconf_to_config_param(config);
^~~~~~~~~~~~~~~~
>> drivers/usb/serial/cp210x.c:1340:32: error: implicit declaration of function 'pinconf_to_config_param' [-Werror=implicit-function-declaration]
enum pin_config_param param = pinconf_to_config_param(config);
^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/usb/serial/cp210x.c:1340:24: error: storage size of 'param' isn't known
enum pin_config_param param = pinconf_to_config_param(config);
^~~~~
>> drivers/usb/serial/cp210x.c:1343:16: error: 'PIN_CONFIG_DRIVE_PUSH_PULL' undeclared (first use in this function)
if ((param == PIN_CONFIG_DRIVE_PUSH_PULL) &&
^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/usb/serial/cp210x.c:1343:16: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/usb/serial/cp210x.c:1347:16: error: 'PIN_CONFIG_DRIVE_OPEN_DRAIN' undeclared (first use in this function)
if ((param == PIN_CONFIG_DRIVE_OPEN_DRAIN) &&
^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/usb/serial/cp210x.c:1340:24: warning: unused variable 'param' [-Wunused-variable]
enum pin_config_param param = pinconf_to_config_param(config);
^~~~~
cc1: some warnings being treated as errors
--
drivers/hid/hid-cp2112.c: In function 'cp2112_gpio_irq_mask':
>> drivers/hid/hid-cp2112.c:1065:25: error: implicit declaration of function 'irq_data_get_irq_chip_data' [-Werror=implicit-function-declaration]
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/hid/hid-cp2112.c:1065:25: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
>> drivers/hid/hid-cp2112.c:1068:15: error: dereferencing pointer to incomplete type 'struct irq_data'
__clear_bit(d->hwirq, &dev->irq_mask);
^~
drivers/hid/hid-cp2112.c: In function 'cp2112_gpio_irq_unmask':
drivers/hid/hid-cp2112.c:1073:25: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c: In function 'cp2112_gpio_poll_callback':
>> drivers/hid/hid-cp2112.c:1106:7: error: implicit declaration of function 'irq_get_irq_data' [-Werror=implicit-function-declaration]
d = irq_get_irq_data(irq);
^~~~~~~~~~~~~~~~
>> drivers/hid/hid-cp2112.c:1106:5: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
d = irq_get_irq_data(irq);
^
>> drivers/hid/hid-cp2112.c:1110:14: error: implicit declaration of function 'irqd_get_trigger_type' [-Werror=implicit-function-declaration]
irq_type = irqd_get_trigger_type(d);
^~~~~~~~~~~~~~~~~~~~~
>> drivers/hid/hid-cp2112.c:1115:19: error: 'IRQ_TYPE_LEVEL_HIGH' undeclared (first use in this function)
if (irq_type & IRQ_TYPE_LEVEL_HIGH)
^~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c:1115:19: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/hid/hid-cp2112.c:1116:5: error: implicit declaration of function 'handle_nested_irq' [-Werror=implicit-function-declaration]
handle_nested_irq(irq);
^~~~~~~~~~~~~~~~~
>> drivers/hid/hid-cp2112.c:1118:20: error: 'IRQ_TYPE_EDGE_RISING' undeclared (first use in this function)
if ((irq_type & IRQ_TYPE_EDGE_RISING) &&
^~~~~~~~~~~~~~~~~~~~
>> drivers/hid/hid-cp2112.c:1124:19: error: 'IRQ_TYPE_LEVEL_LOW' undeclared (first use in this function)
if (irq_type & IRQ_TYPE_LEVEL_LOW)
^~~~~~~~~~~~~~~~~~
>> drivers/hid/hid-cp2112.c:1127:20: error: 'IRQ_TYPE_EDGE_FALLING' undeclared (first use in this function)
if ((irq_type & IRQ_TYPE_EDGE_FALLING) &&
^~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c: In function 'cp2112_gpio_irq_startup':
drivers/hid/hid-cp2112.c:1143:25: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c: In function 'cp2112_gpio_irq_shutdown':
drivers/hid/hid-cp2112.c:1161:25: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c: At top level:
>> drivers/hid/hid-cp2112.c:1172:15: error: variable 'cp2112_gpio_irqchip' has initializer but incomplete type
static struct irq_chip cp2112_gpio_irqchip = {
^~~~~~~~
>> drivers/hid/hid-cp2112.c:1173:2: error: unknown field 'name' specified in initializer
.name = "cp2112-gpio",
^
>> drivers/hid/hid-cp2112.c:1173:10: warning: excess elements in struct initializer
.name = "cp2112-gpio",
^~~~~~~~~~~~~
drivers/hid/hid-cp2112.c:1173:10: note: (near initialization for 'cp2112_gpio_irqchip')
>> drivers/hid/hid-cp2112.c:1174:2: error: unknown field 'irq_startup' specified in initializer
.irq_startup = cp2112_gpio_irq_startup,
^
drivers/hid/hid-cp2112.c:1174:17: warning: excess elements in struct initializer
.irq_startup = cp2112_gpio_irq_startup,
^~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c:1174:17: note: (near initialization for 'cp2112_gpio_irqchip')
>> drivers/hid/hid-cp2112.c:1175:2: error: unknown field 'irq_shutdown' specified in initializer
.irq_shutdown = cp2112_gpio_irq_shutdown,
^
drivers/hid/hid-cp2112.c:1175:18: warning: excess elements in struct initializer
.irq_shutdown = cp2112_gpio_irq_shutdown,
^~~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c:1175:18: note: (near initialization for 'cp2112_gpio_irqchip')
>> drivers/hid/hid-cp2112.c:1176:2: error: unknown field 'irq_ack' specified in initializer
.irq_ack = cp2112_gpio_irq_ack,
^
drivers/hid/hid-cp2112.c:1176:13: warning: excess elements in struct initializer
.irq_ack = cp2112_gpio_irq_ack,
^~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c:1176:13: note: (near initialization for 'cp2112_gpio_irqchip')
>> drivers/hid/hid-cp2112.c:1177:2: error: unknown field 'irq_mask' specified in initializer
.irq_mask = cp2112_gpio_irq_mask,
^
drivers/hid/hid-cp2112.c:1177:14: warning: excess elements in struct initializer
.irq_mask = cp2112_gpio_irq_mask,
^~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c:1177:14: note: (near initialization for 'cp2112_gpio_irqchip')
>> drivers/hid/hid-cp2112.c:1178:2: error: unknown field 'irq_unmask' specified in initializer
.irq_unmask = cp2112_gpio_irq_unmask,
^
drivers/hid/hid-cp2112.c:1178:16: warning: excess elements in struct initializer
.irq_unmask = cp2112_gpio_irq_unmask,
^~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c:1178:16: note: (near initialization for 'cp2112_gpio_irqchip')
>> drivers/hid/hid-cp2112.c:1179:2: error: unknown field 'irq_set_type' specified in initializer
.irq_set_type = cp2112_gpio_irq_type,
^
drivers/hid/hid-cp2112.c:1179:18: warning: excess elements in struct initializer
.irq_set_type = cp2112_gpio_irq_type,
^~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-cp2112.c:1179:18: note: (near initialization for 'cp2112_gpio_irqchip')
drivers/hid/hid-cp2112.c: In function 'cp2112_probe':

vim +/pinconf_to_config_param +138 drivers//i2c/muxes/i2c-mux-ltc4306.c

dbed8a80 Michael Hennerich 2017-04-11 132 static int ltc4306_gpio_set_config(struct gpio_chip *chip,
dbed8a80 Michael Hennerich 2017-04-11 133 unsigned int offset, unsigned long config)
dbed8a80 Michael Hennerich 2017-04-11 134 {
dbed8a80 Michael Hennerich 2017-04-11 135 struct ltc4306 *data = gpiochip_get_data(chip);
dbed8a80 Michael Hennerich 2017-04-11 136 unsigned int val;
dbed8a80 Michael Hennerich 2017-04-11 137
dbed8a80 Michael Hennerich 2017-04-11 @138 switch (pinconf_to_config_param(config)) {
dbed8a80 Michael Hennerich 2017-04-11 @139 case PIN_CONFIG_DRIVE_OPEN_DRAIN:
dbed8a80 Michael Hennerich 2017-04-11 140 val = 0;
dbed8a80 Michael Hennerich 2017-04-11 141 break;
dbed8a80 Michael Hennerich 2017-04-11 @142 case PIN_CONFIG_DRIVE_PUSH_PULL:
dbed8a80 Michael Hennerich 2017-04-11 143 val = BIT(4 - offset);
dbed8a80 Michael Hennerich 2017-04-11 144 break;
dbed8a80 Michael Hennerich 2017-04-11 145 default:

:::::: The code at line 138 was first introduced by commit
:::::: dbed8a803bd3fb64339a6180adaff2cec46242ce i2c: mux: ltc4306: LTC4306 and LTC4305 I2C multiplexer/switch

:::::: TO: Michael Hennerich <michael.hennerich@analog.com>
:::::: CC: Peter Rosin <peda@axentia.se>

---
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