From eb6088c16813610af0b2f3237372126ff6c1de16 Mon Sep 17 00:00:00 2001 From: Rasesh Mody Date: Wed, 29 Mar 2017 13:36:55 -0700 Subject: [PATCH] net/qede/base: prevent DMAE transactions during recovery Prevent DMA engine transactions during recovery phase. Signed-off-by: Rasesh Mody --- drivers/net/qede/base/ecore_hw.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/qede/base/ecore_hw.c b/drivers/net/qede/base/ecore_hw.c index 396edc2de5..2bcc32d3e7 100644 --- a/drivers/net/qede/base/ecore_hw.c +++ b/drivers/net/qede/base/ecore_hw.c @@ -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); -- 2.20.1