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Peter Mitsis 5c39418ae8 k20uart: Fix check for Rx/Tx irq 
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>
2016-02-05 20:24:47 -05:00
..
adc adc: Fix dependencies 2016-02-05 20:24:43 -05:00
bluetooth Bluetooth: uart: Simplify bt_uart_discard() with the help of min() 2016-02-05 20:24:45 -05:00
console irq: Add flags to IRQ_CONNECT_STATIC() macro and irq_connect() function 2016-02-05 20:24:44 -05:00
ethernet net: Refactor code to use new generic net_buf API 2016-02-05 20:24:46 -05:00
gpio irq: Add flags to IRQ_CONNECT_STATIC() macro and irq_connect() function 2016-02-05 20:24:44 -05:00
grove grove: KConfig cleanup 2016-02-05 20:24:36 -05:00
i2c irq: Add flags to IRQ_CONNECT_STATIC() macro and irq_connect() function 2016-02-05 20:24:44 -05:00
interrupt_controller irq: Add flags to IRQ_CONNECT_STATIC() macro and irq_connect() function 2016-02-05 20:24:44 -05:00
pci pci: Add pci_enable_bus_master 2016-02-05 20:24:38 -05:00
pinmux pinmux: cleanup galileo defines 2016-02-05 20:24:36 -05:00
pwm pwm: Changes to PWM driver for the PCA9685. 2016-02-05 20:24:43 -05:00
random checkpatch: warning - block_comment_style 2016-02-05 20:24:33 -05:00
serial k20uart: Fix check for Rx/Tx irq 2016-02-05 20:24:47 -05:00
shared_irq irq: Add flags to IRQ_CONNECT_STATIC() macro and irq_connect() function 2016-02-05 20:24:44 -05:00
simple irq: Add flags to IRQ_CONNECT_STATIC() macro and irq_connect() function 2016-02-05 20:24:44 -05:00
spi irq: Add flags to IRQ_CONNECT_STATIC() macro and irq_connect() function 2016-02-05 20:24:44 -05:00
timer irq: Add flags to IRQ_CONNECT_STATIC() macro and irq_connect() function 2016-02-05 20:24:44 -05:00
Kconfig eth: dw: Add driver for Synopsys DesignWare Ethernet MAC 2016-02-05 20:24:38 -05:00
Makefile eth: dw: Add driver for Synopsys DesignWare Ethernet MAC 2016-02-05 20:24:38 -05:00