New upstream version 17.11.4
[deb_dpdk.git] / drivers / net / qede / base / ecore_int.c
index e6cef85..61e36a4 100644 (file)
@@ -231,15 +231,19 @@ static const char *grc_timeout_attn_master_to_str(u8 master)
 
 static enum _ecore_status_t ecore_grc_attn_cb(struct ecore_hwfn *p_hwfn)
 {
+       enum _ecore_status_t rc = ECORE_SUCCESS;
        u32 tmp, tmp2;
 
        /* We've already cleared the timeout interrupt register, so we learn
-        * of interrupts via the validity register
+        * of interrupts via the validity register.
+        * Any attention which is not for a timeout event is treated as fatal.
         */
        tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
                       GRC_REG_TIMEOUT_ATTN_ACCESS_VALID);
-       if (!(tmp & ECORE_GRC_ATTENTION_VALID_BIT))
+       if (!(tmp & ECORE_GRC_ATTENTION_VALID_BIT)) {
+               rc = ECORE_INVAL;
                goto out;
+       }
 
        /* Read the GRC timeout information */
        tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
@@ -263,11 +267,11 @@ static enum _ecore_status_t ecore_grc_attn_cb(struct ecore_hwfn *p_hwfn)
                  (tmp2 & ECORE_GRC_ATTENTION_VF_MASK) >>
                  ECORE_GRC_ATTENTION_VF_SHIFT);
 
-out:
-       /* Regardles of anything else, clean the validity bit */
+       /* Clean the validity bit */
        ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt,
                 GRC_REG_TIMEOUT_ATTN_ACCESS_VALID, 0);
-       return ECORE_SUCCESS;
+out:
+       return rc;
 }
 
 #define ECORE_PGLUE_ATTENTION_VALID (1 << 29)