Prevent DMA engine transactions during recovery phase.
Signed-off-by: Rasesh Mody <rasesh.m...@cavium.com>
---
drivers/net/qede/base/ecore_hw.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/net/qede/base/ecore_hw.c b/drivers/net/qede/base/ecore_hw.c
index 2c47f6b..9e65ddf 100644
--- a/drivers/net/qede/base/ecore_hw.c
+++ b/drivers/net/qede/base/ecore_hw.c
@@ -774,6 +774,17 @@ static enum _ecore_status_t
ecore_dmae_operation_wait(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",
+ src_addr, src_type, 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);
--
1.7.10.3
