[Blackfin] arch:Fix BUG [#3876] pfbutton test for BTN3 on bf533 don't show complete info
- Buttons on the BF533-STAMP board are not inverted
- Fix spurious GPIO Interrupt caused during set irq_type for edge triggered interrupts
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 81d0018..880595a 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -430,16 +430,8 @@
return 0;
}
+ set_gpio_inen(gpionr, 0);
set_gpio_dir(gpionr, 0);
- set_gpio_inen(gpionr, 1);
-
- if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) {
- gpio_edge_triggered[gpio_bank(gpionr)] |= gpio_bit(gpionr);
- set_gpio_edge(gpionr, 1);
- } else {
- set_gpio_edge(gpionr, 0);
- gpio_edge_triggered[gpio_bank(gpionr)] &= ~gpio_bit(gpionr);
- }
if ((type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING))
== (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING))
@@ -452,6 +444,18 @@
else
set_gpio_polar(gpionr, 0); /* high or rising edge denoted by zero */
+ if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) {
+ set_gpio_edge(gpionr, 1);
+ set_gpio_inen(gpionr, 1);
+ gpio_edge_triggered[gpio_bank(gpionr)] |= gpio_bit(gpionr);
+ set_gpio_data(gpionr, 0);
+
+ } else {
+ set_gpio_edge(gpionr, 0);
+ gpio_edge_triggered[gpio_bank(gpionr)] &= ~gpio_bit(gpionr);
+ set_gpio_inen(gpionr, 1);
+ }
+
SSYNC();
if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING))