net: hns3: add waiting time before cmdq memory is released
mainline inclusion from mainline-v5.14 commit a96d9330 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I46N6O CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a96d9330b02a3d051ae689bc2c5e7d3a2ba25594 ---------------------------------------------------------------------- After the cmdq registers are cleared, the firmware may take time to clear out possible left over commands in the cmdq. Driver must release cmdq memory only after firmware has completed processing of left over commands. Fixes: 232d0d55 ("net: hns3: uninitialize command queue while unloading PF driver") Signed-off-by: NYufeng Mo <moyufeng@huawei.com> Signed-off-by: NGuangbin Huang <huangguangbin2@huawei.com> Signed-off-by: NJakub Kicinski <kuba@kernel.org> Reviewed-by: NYongxin Li <liyongxin1@huawei.com> Signed-off-by: NJunxin Chen <chenjunxin1@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
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