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Date:   Mon, 25 May 2020 17:53:14 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net-next] bnx2x: allow bnx2x_bsc_read() to schedule

From: Eric Dumazet <>
Date: Sat, 23 May 2020 12:46:49 -0700

> bnx2x_warpcore_read_sfp_module_eeprom() can call bnx2x_bsc_read()
> three times before giving up.
> This causes latency blips of at least 31 ms (58 ms being reported
> by our teams)
> Convert the long lasting loops of udelay() to usleep_range() ones,
> and breaks the loops on precise time tracking.
> Signed-off-by: Eric Dumazet <>


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