Fix below build error:
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 9239d88fc5
# save the attached .config to linux build tree
make.cross ARCH=arm
All error/warnings:
In file included from include/linux/seqlock.h:35:0,
from include/linux/time.h:5,
from include/linux/stat.h:18,
from include/linux/module.h:10,
from drivers/staging/emxx_udc/emxx_udc.c:22:
drivers/staging/emxx_udc/emxx_udc.c: In function 'nbu2ss_gad_set_selfpowered':
>> drivers/staging/emxx_udc/emxx_udc.c:3129:21: error: 'udc' undeclared (first use in this function)
spin_lock_irqsave(&udc->lock, flags);
^
include/linux/spinlock.h:215:34: note: in definition of macro 'raw_spin_lock_irqsave'
flags = _raw_spin_lock_irqsave(lock); \
^
>> drivers/staging/emxx_udc/emxx_udc.c:3129:2: note: in expansion of macro 'spin_lock_irqsave'
spin_lock_irqsave(&udc->lock, flags);
^
drivers/staging/emxx_udc/emxx_udc.c:3129:21: note: each undeclared identifier is reported only once for each function it appears in
spin_lock_irqsave(&udc->lock, flags);
^
include/linux/spinlock.h:215:34: note: in definition of macro 'raw_spin_lock_irqsave'
flags = _raw_spin_lock_irqsave(lock); \
^
>> drivers/staging/emxx_udc/emxx_udc.c:3129:2: note: in expansion of macro 'spin_lock_irqsave'
spin_lock_irqsave(&udc->lock, flags);
^
vim +/udc +3129 drivers/staging/emxx_udc/emxx_udc.c
33aa8d45 Magnus Damm 2014-06-06 3123
33aa8d45 Magnus Damm 2014-06-06 3124 if (pgadget == NULL) {
33aa8d45 Magnus Damm 2014-06-06 3125 ERR("%s, bad param\n", __func__);
33aa8d45 Magnus Damm 2014-06-06 3126 return -EINVAL;
33aa8d45 Magnus Damm 2014-06-06 3127 }
33aa8d45 Magnus Damm 2014-06-06 3128
33aa8d45 Magnus Damm 2014-06-06 @3129 spin_lock_irqsave(&udc->lock, flags);
9239d88f Peter Chen 2015-01-28 3130 pgadget->is_selfpowered = (is_selfpowered != 0);
33aa8d45 Magnus Damm 2014-06-06 3131 spin_unlock_irqrestore(&udc->lock, flags);
33aa8d45 Magnus Damm 2014-06-06 3132
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
1fa2df0c70