AuxXxilium/linux_dsm_epyc7002
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46b7f22498
linux_dsm_epyc7002/arch/arm64
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Stefan Agner 46b7f22498 arm64: dts: meson: fix PHY deassert timing requirements 
[ Upstream commit c183c406c4321002fe85b345b51bc1a3a04b6d33 ]

According to the datasheet (Rev. 1.9) the RTL8211F requires at least
72ms "for internal circuits settling time" before accessing the PHY
registers. This fixes an issue seen on ODROID-C2 where the Ethernet
link doesn't come up when using ip link set down/up:
  [ 6630.714855] meson8b-dwmac c9410000.ethernet eth0: Link is Down
  [ 6630.785775] meson8b-dwmac c9410000.ethernet eth0: PHY [stmmac-0:00] driver [RTL8211F Gigabit Ethernet] (irq=36)
  [ 6630.893071] meson8b-dwmac c9410000.ethernet: Failed to reset the dma
  [ 6630.893800] meson8b-dwmac c9410000.ethernet eth0: stmmac_hw_setup: DMA engine initialization failed
  [ 6630.902835] meson8b-dwmac c9410000.ethernet eth0: stmmac_open: Hw setup failed

Fixes: f29cabf240 ("arm64: dts: meson: use the generic Ethernet PHY reset GPIO bindings")
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/4a322c198b86e4c8b3dda015560a683babea4d63.1607363522.git.stefan@agner.ch
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-12-30 11:53:41 +01:00
..
boot arm64: dts: meson: fix PHY deassert timing requirements 2020-12-30 11:53:41 +01:00
configs arm64: defconfig: Build in CONFIG_GPIO_MXC by default 2020-10-26 15:48:58 +08:00
crypto crypto: arm64/poly1305-neon - reorder PAC authentication with SP update 2020-12-30 11:53:02 +01:00
include Bugfixes for ARM, x86 and tools. 2020-12-12 10:08:16 -08:00
kernel arm64: mte: fix prctl(PR_GET_TAGGED_ADDR_CTRL) if TCF0=NONE 2020-12-30 11:53:33 +01:00
kvm kvm/arm64 fixes for 5.10, take #5 2020-12-10 11:34:24 -05:00
lib arm64: Change .weak to SYM_FUNC_START_WEAK_PI for arch/arm64/lib/mem*.S 2020-10-30 08:32:31 +00:00
mm arm64: entry: fix EL1 debug transitions 2020-11-30 12:11:38 +00:00
net arm64: bpf: Fix branch offset in JIT 2020-09-17 12:05:36 +01:00
xen
Kbuild
Kconfig kbuild: Hoist '--orphan-handling' into Kconfig 2020-12-01 22:45:36 +09:00
Kconfig.debug arm64: remove TEXT_OFFSET randomization 2020-06-15 13:10:59 +01:00
Kconfig.platforms arm64: berlin: Select DW_APB_TIMER_OF 2020-10-26 10:45:03 +01:00
Makefile kbuild: Hoist '--orphan-handling' into Kconfig 2020-12-01 22:45:36 +09:00