diff options
| -rw-r--r-- | arch/s390/include/asm/qdio.h | 10 | ||||
| -rw-r--r-- | drivers/s390/cio/qdio.h | 9 | ||||
| -rw-r--r-- | drivers/s390/cio/qdio_main.c | 5 |
3 files changed, 11 insertions, 13 deletions
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 3881e9499e17..21993623da9a 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -279,6 +279,16 @@ struct qdio_outbuf_state { #define CHSC_AC1_INITIATE_INPUTQ 0x80 + +/* qdio adapter-characteristics-1 flag */ +#define AC1_SIGA_INPUT_NEEDED 0x40 /* process input queues */ +#define AC1_SIGA_OUTPUT_NEEDED 0x20 /* process output queues */ +#define AC1_SIGA_SYNC_NEEDED 0x10 /* ask hypervisor to sync */ +#define AC1_AUTOMATIC_SYNC_ON_THININT 0x08 /* set by hypervisor */ +#define AC1_AUTOMATIC_SYNC_ON_OUT_PCI 0x04 /* set by hypervisor */ +#define AC1_SC_QEBSM_AVAILABLE 0x02 /* available for subchannel */ +#define AC1_SC_QEBSM_ENABLED 0x01 /* enabled for subchannel */ + #define CHSC_AC2_DATA_DIV_AVAILABLE 0x0010 #define CHSC_AC2_DATA_DIV_ENABLED 0x0002 diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 2b21f65a8950..3dd86441da3d 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -87,15 +87,6 @@ enum qdio_irq_states { #define CHSC_FLAG_QDIO_CAPABILITY 0x80 #define CHSC_FLAG_VALIDITY 0x40 -/* qdio adapter-characteristics-1 flag */ -#define AC1_SIGA_INPUT_NEEDED 0x40 /* process input queues */ -#define AC1_SIGA_OUTPUT_NEEDED 0x20 /* process output queues */ -#define AC1_SIGA_SYNC_NEEDED 0x10 /* ask hypervisor to sync */ -#define AC1_AUTOMATIC_SYNC_ON_THININT 0x08 /* set by hypervisor */ -#define AC1_AUTOMATIC_SYNC_ON_OUT_PCI 0x04 /* set by hypervisor */ -#define AC1_SC_QEBSM_AVAILABLE 0x02 /* available for subchannel */ -#define AC1_SC_QEBSM_ENABLED 0x01 /* enabled for subchannel */ - /* SIGA flags */ #define QDIO_SIGA_WRITE 0x00 #define QDIO_SIGA_READ 0x01 diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index a7153f2f3aff..9a122280246c 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -1592,12 +1592,9 @@ set: used = atomic_add_return(count, &q->nr_buf_used) - count; BUG_ON(used + count > QDIO_MAX_BUFFERS_PER_Q); - /* no need to signal as long as the adapter had free buffers */ - if (used) - return 0; - if (need_siga_in(q)) return qdio_siga_input(q); + return 0; } |