[SRU][M/N][PATCH 0/1] Fix BCM57416 lost after resume

[Tim Gardner]

On 12/27/23 7:07 AM, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/2047518
> 
> [Impact]
> BCM57416 is lost after resume.
> Error log:
> [ 1261.429834] bnxt_en 0000:82:00.1 enp130s0f1np1: hwrm req_type 0x50 seq id 0x125d error 0x4
> [ 1261.429843] bnxt_en 0000:82:00.1 enp130s0f1np1: hwrm_ring_alloc type 1 failed. rc:ffffffe4 err:4
> [ 1261.429846] bnxt_en 0000:82:00.1 enp130s0f1np1: hwrm ring alloc failure rc: fffffffb
> [ 1261.437389] bnxt_en 0000:82:00.1 enp130s0f1np1: bnxt_init_nic err: fffffffb
> 
> [Fix]
> Clear the reservations in driver after reset the ethernet card.
> 
> [Test]
> Tested on hardware, after 10 times of suspend/resume, bnxt ethernet works fine.
> 
> [Where problems could occur]
> It may break broadcom bnxt driver.
> 
> Somnath Kotur (1):
>    bnxt_en: Clear resource reservation during resume
> 
>   drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 ++
>   1 file changed, 2 insertions(+)
> 

Seems like 5.15 and 6.2 are also eligible for this fix given that it 
addresses a patch introduced in 4.16
-- 
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Tim Gardner
Canonical, Inc