Due to a quirk of the k20 UART, when checking if either a Tx or Rx irq is ready, one must first check whether the UART has enabled the Tx and/or Rx interrupts. If this is not done, then all one is doing is testing the UART to determine if it is ready to Tx and/or Rx. Change-Id: I08a8280ed9fb0faef586f3c7d7befb3bfdec1e2d Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com> |
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.. | ||
adc | ||
bluetooth | ||
console | ||
ethernet | ||
gpio | ||
grove | ||
i2c | ||
interrupt_controller | ||
pci | ||
pinmux | ||
pwm | ||
random | ||
serial | ||
shared_irq | ||
simple | ||
spi | ||
timer | ||
Kconfig | ||
Makefile |