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net/qede/base: prevent DMAE transactions during recovery

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Prevent DMA engine transactions during recovery phase.

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
This commit is contained in:
Rasesh Mody 2017-03-29 13:36:55 -07:00 committed by Ferruh Yigit
parent 4727343d27
commit eb6088c168
1 changed files with 12 additions and 0 deletions
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12
drivers/net/qede/base/ecore_hw.c
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@ -773,6 +773,18 @@ ecore_dmae_execute_command(struct ecore_hwfn *p_hwfn,
enum _ecore_status_t ecore_status = ECORE_SUCCESS;
u32 offset = 0;
if (p_hwfn->p_dev->recov_in_prog) {
DP_VERBOSE(p_hwfn, ECORE_MSG_HW,
"Recovery is in progress. Avoid DMAE transaction [{src: addr 0x%lx, type %d}, {dst: addr 0x%lx, type %d}, size %d].\n",
(unsigned long)src_addr, src_type,
(unsigned long)dst_addr, dst_type,
size_in_dwords);
/* Return success to let the flow to be completed successfully
* w/o any error handling.
*/
return ECORE_SUCCESS;
}
ecore_dmae_opcode(p_hwfn,
(src_type == ECORE_DMAE_ADDRESS_GRC),
(dst_type == ECORE_DMAE_ADDRESS_GRC), p_params);