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rockchip: reliably distribute net interrupts

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On the NanoPI R4S it takes an average of 3..5 seconds for the network devices
to appear in '/proc/interrupts'.
Wait up to 10 seconds to ensure that the distribution of the interrupts
really happens.

Signed-off-by: Ronny Kotzschmar <ro.ok@me.com>
This commit is contained in:
Ronny Kotzschmar 2022-07-06 15:14:21 +02:00 committed by Christian Marangi
parent 3872b422ff
commit 9b00e97956
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GPG key ID: AC001D09ADBFEAD7
1 changed files with 8 additions and 1 deletions
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9
target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity
View file

@ -4,8 +4,15 @@
get_device_irq() { get_device_irq() {
local device="$1" local device="$1"
local line
local seconds="0"
local line=$(grep -m 1 "${device}\$" /proc/interrupts) # wait up to 10 seconds for the irq/device to appear
while [ "${seconds}" -le 10 ]; do
line=$(grep -m 1 "${device}\$" /proc/interrupts) && break
seconds="$(( seconds + 2 ))"
sleep 2
done
echo ${line} | sed 's/:.*//' echo ${line} | sed 's/:.*//'
} }