diff options
Diffstat (limited to 'drivers/net/ipa/gsi.h')
-rw-r--r-- | drivers/net/ipa/gsi.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ipa/gsi.h b/drivers/net/ipa/gsi.h index bad1a78a96ed..982c57550ef3 100644 --- a/drivers/net/ipa/gsi.h +++ b/drivers/net/ipa/gsi.h @@ -48,12 +48,13 @@ struct gsi_ring { * * A channel ring consists of TRE entries filled by the AP and passed * to the hardware for processing. For a channel ring, the ring index - * identifies the next unused entry to be filled by the AP. + * identifies the next unused entry to be filled by the AP. In this + * case the initial value is assumed by hardware to be 0. * * An event ring consists of event structures filled by the hardware * and passed to the AP. For event rings, the ring index identifies * the next ring entry that is not known to have been filled by the - * hardware. + * hardware. The initial value used is arbitrary (so we use 0). */ u32 index; }; |