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| author | Michael Chan <michael.chan@broadcom.com> | 2021-01-25 08:08:10 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-26 04:20:03 +0100 |
| commit | d1cbd1659cac9b192f4677715becf937978b091a (patch) | |
| tree | 40b6ec0e3628860ec81c96e17c09f3535c5bea1e /drivers/base/memory.c | |
| parent | bnxt_en: handle CRASH_NO_MASTER during bnxt_open() (diff) | |
| download | linux-d1cbd1659cac9b192f4677715becf937978b091a.tar.xz linux-d1cbd1659cac9b192f4677715becf937978b091a.zip | |
bnxt_en: Retry sending the first message to firmware if it is under reset.
The first HWRM_VER_GET message to firmware during probe may timeout if
firmware is under reset. This can happen during hot-plug for example.
On P5 and newer chips, we can check if firmware is in the boot stage by
reading a status register. Retry 5 times if the status register shows
that firmware is not ready and not in error state.
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/base/memory.c')
0 files changed, 0 insertions, 0 deletions