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path: root/drivers/net/ark/ark_ddm.c
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Diffstat (limited to 'drivers/net/ark/ark_ddm.c')
-rw-r--r--drivers/net/ark/ark_ddm.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/ark/ark_ddm.c b/drivers/net/ark/ark_ddm.c
index eea388a1..57026f8d 100644
--- a/drivers/net/ark/ark_ddm.c
+++ b/drivers/net/ark/ark_ddm.c
@@ -11,14 +11,22 @@
int
ark_ddm_verify(struct ark_ddm_t *ddm)
{
+ uint32_t hw_const;
if (sizeof(struct ark_ddm_t) != ARK_DDM_EXPECTED_SIZE) {
PMD_DRV_LOG(ERR, "ARK: DDM structure looks incorrect %d vs %zd\n",
ARK_DDM_EXPECTED_SIZE, sizeof(struct ark_ddm_t));
return -1;
}
- if (ddm->cfg.const0 != ARK_DDM_CONST) {
- PMD_DRV_LOG(ERR, "ARK: DDM module not found as expected 0x%08x\n",
+ hw_const = ddm->cfg.const0;
+ if (hw_const == ARK_DDM_CONST1) {
+ PMD_DRV_LOG(ERR,
+ "ARK: DDM module is version 1, "
+ "PMD expects version 2\n");
+ return -1;
+ } else if (hw_const != ARK_DDM_CONST2) {
+ PMD_DRV_LOG(ERR,
+ "ARK: DDM module not found as expected 0x%08x\n",
ddm->cfg.const0);
return -1;
}