https://github.com/torvalds/linux
Revision 0178839ccca36dee238a57e7f4c3c252f5dbbba6 authored by Guangbin Huang on 29 September 2021, 09:35:56 UTC, committed by David S. Miller on 29 September 2021, 10:03:54 UTC
Currently, the firmware compatible features are enabled in PF driver
initialization process, but they are not disabled in PF driver
deinitialization process and firmware keeps these features in enabled
status.

In this case, if load an old PF driver (for example, in VM) which not
support the firmware compatible features, firmware will still send mailbox
message to PF when link status changed and PF will print
"un-supported mailbox message, code = 201".

To fix this problem, disable these firmware compatible features in PF
driver deinitialization process.

Fixes: ed8fb4b262ae ("net: hns3: add link change event report")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent 27bf4af
Raw File
Tip revision: 0178839ccca36dee238a57e7f4c3c252f5dbbba6 authored by Guangbin Huang on 29 September 2021, 09:35:56 UTC
net: hns3: disable firmware compatible features when uninstall PF
Tip revision: 0178839
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