[PATCH net-next 3/8] s390/qeth: clean up stale buffer state documentation

Julian Wiedmann
2019-04-25T16:25:56Z

We don't keep track of Input Buffer states, so remove the comments that
make it sound like the qeth_qdio_buffer_states enum applies to
Input Buffers.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
---
drivers/s390/net/qeth_core.h | 41 +++++++++++++----------------------------
1 file changed, 13 insertions(+), 28 deletions(-)

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 962e958c24f9..16c8049672b7 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -374,34 +374,6 @@ enum qeth_header_ids {
#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/

-enum qeth_qdio_buffer_states {
- /*
- * inbound: read out by driver; owned by hardware in order to be filled
- * outbound: owned by driver in order to be filled
- */
- QETH_QDIO_BUF_EMPTY,
- /*
- * inbound: filled by hardware; owned by driver in order to be read out
- * outbound: filled by driver; owned by hardware in order to be sent
- */
- QETH_QDIO_BUF_PRIMED,
- /*
- * inbound: not applicable
- * outbound: identified to be pending in TPQ
- */
- QETH_QDIO_BUF_PENDING,
- /*
- * inbound: not applicable
- * outbound: found in completion queue
- */
- QETH_QDIO_BUF_IN_CQ,
- /*
- * inbound: not applicable
- * outbound: handled via transfer pending / completion queue
- */
- QETH_QDIO_BUF_HANDLED_DELAYED,
-};
-
enum qeth_qdio_info_states {
QETH_QDIO_UNINITIALIZED,
QETH_QDIO_ALLOCATED,
@@ -433,6 +405,19 @@ struct qeth_qdio_q {
int next_buf_to_init;
};

+enum qeth_qdio_out_buffer_state {
+ /* Owned by driver, in order to be filled. */
+ QETH_QDIO_BUF_EMPTY,
+ /* Filled by driver; owned by hardware in order to be sent. */
+ QETH_QDIO_BUF_PRIMED,
+ /* Identified to be pending in TPQ. */
+ QETH_QDIO_BUF_PENDING,
+ /* Found in completion queue. */
+ QETH_QDIO_BUF_IN_CQ,
+ /* Handled via transfer pending / completion queue. */
+ QETH_QDIO_BUF_HANDLED_DELAYED,
+};
+
struct qeth_qdio_out_buffer {
struct qdio_buffer *buffer;
atomic_t state;
--
2.16.4