K 10
svn:author
V 4
loos
K 8
svn:date
V 27
2015-07-13T18:19:26.459680Z
K 7
svn:log
V 524
Bring a few simplifications to a10_gpio:

 o Return the real hardware state in gpio_pin_getflags() instead of keep
   the last state in an internal table.  Now the driver returns the real
   state of pins (input/output and pull-up/pull-down) at all times.
 o Use a spin mutex.  This is required by interrupts and the 1-wire code.
 o Use better variable names and place parentheses around them in MACROS.
 o Do not lock the driver when returning static data.

Tested with gpioled(4) and DS1820 (1-wire) sensors on banana pi.

END