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RaspberryPI: Fix issue with correct SYMLINK with ttyAMA (#915)

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Pascal Vizeli 2020-10-20 19:08:19 +02:00 committed by GitHub
parent fa242e32d7
commit 0495ba25ad
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1 changed files with 15 additions and 1 deletions
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16
buildroot-external/board/raspberrypi/rootfs-overlay/usr/lib/udev/rules.d/99-rpi.rules → buildroot-external/board/raspberrypi/rootfs-overlay/usr/lib/udev/rules.d/99-com.rules
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@ -1,4 +1,5 @@
KERNEL=="ttyAMA[01]", ATTR{iomem_base}=="0xFE201000", PROGRAM="/bin/sh -c '\
KERNEL=="ttyAMA0", PROGRAM="/bin/sh -c '\
ALIASES=/proc/device-tree/aliases; \
if cmp -s $ALIASES/uart0 $ALIASES/serial0; then \
echo 0;\
@ -9,6 +10,19 @@ KERNEL=="ttyAMA[01]", ATTR{iomem_base}=="0xFE201000", PROGRAM="/bin/sh -c '\
fi\
'", SYMLINK+="serial%c"
KERNEL=="ttyAMA1", PROGRAM="/bin/sh -c '\
ALIASES=/proc/device-tree/aliases; \
if [ -e /dev/ttyAMA0 ]; then \
exit 1; \
elif cmp -s $ALIASES/uart0 $ALIASES/serial0; then \
echo 0;\
elif cmp -s $ALIASES/uart0 $ALIASES/serial1; then \
echo 1; \
else \
exit 1; \
fi\
'", SYMLINK+="serial%c"
KERNEL=="ttyS0", PROGRAM="/bin/sh -c '\
ALIASES=/proc/device-tree/aliases; \
if cmp -s $ALIASES/uart1 $ALIASES/serial0; then \