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authorCarlo Caione <ccaione@baylibre.com>2018-12-07 13:52:30 +0300
committerKevin Hilman <khilman@baylibre.com>2018-12-08 00:48:58 +0300
commit8b3e6f8999f8d704fccce225b9455b3fa639d1c9 (patch)
treee32e27092e2ae7f58fa923910fd85c29cf34922f /tools/perf/scripts/python/export-to-postgresql.py
parentcbddb02e37b8bad058e1c552d4db87aa4d7c9582 (diff)
downloadlinux-8b3e6f8999f8d704fccce225b9455b3fa639d1c9.tar.xz
arm64: dts: meson: Fix IRQ trigger type for macirq
A long running stress test on a custom board shipping an AXG SoCs and a Realtek RTL8211F PHY revealed that after a few hours the connection speed would drop drastically, from ~1000Mbps to ~3Mbps. At the same time the 'macirq' (eth0) IRQ would stop being triggered at all and as consequence the GMAC IRQs never ACKed. After a painful investigation the problem seemed to be due to a wrong defined IRQ type for the GMAC IRQ that should be LEVEL_HIGH instead of EDGE_RISING. The change in the macirq IRQ type also solved another long standing issue affecting this SoC/PHY where EEE was causing the network connection to die after stressing it with iperf3 (even though much sooner). It's now possible to remove the 'eee-broken-1000t' quirk as well. Fixes: feb3cbea0946 ("ARM64: dts: meson-gxbb-odroidc2: fix GbE tx link breakage") Fixes: 6d28d577510f ("ARM64: dts: meson-axg: fix ethernet stability issue") Reviewed-by: Jerome Brunet <jbrunet@baylibre.com> Tested-by: Jerome Brunet <jbrunet@baylibre.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Carlo Caione <ccaione@baylibre.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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