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| author | Dylan Hung <dylan_hung@aspeedtech.com> | 2020-10-14 14:06:32 +0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-10-16 15:36:34 -0700 |
| commit | 137d23cea1c044b2d4853ac71bc68126b25fdbb2 (patch) | |
| tree | 42cbb47f753ede9c9c4fcb1e709372296f3f4eb9 /Documentation/networking/ip-sysctl.rst | |
| parent | ec78e31852c9bb7d96b6557468fecb6f6f3b28f3 (diff) | |
net: ftgmac100: Fix Aspeed ast2600 TX hang issue
The new HW arbitration feature on Aspeed ast2600 will cause MAC TX to
hang when handling scatter-gather DMA. Disable the problematic feature
by setting MAC register 0x58 bit28 and bit27.
Fixes: 39bfab8844a0 ("net: ftgmac100: Add support for DT phy-handle property")
Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation/networking/ip-sysctl.rst')
0 files changed, 0 insertions, 0 deletions