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Subject[PATCH v2 11/17] staging: qlge: Factor out duplicated expression
Date
Given that (u16) 65536 == 0, that expression can be replaced by a simple
cast.

Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
---
drivers/staging/qlge/qlge.h | 5 +++++
drivers/staging/qlge/qlge_main.c | 18 ++++++------------
2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/qlge/qlge.h b/drivers/staging/qlge/qlge.h
index 5a4b2520cd2a..24af938da7a4 100644
--- a/drivers/staging/qlge/qlge.h
+++ b/drivers/staging/qlge/qlge.h
@@ -77,6 +77,11 @@
#define LSD(x) ((u32)((u64)(x)))
#define MSD(x) ((u32)((((u64)(x)) >> 32)))

+/* In some cases, the device interprets a value of 0x0000 as 65536. These
+ * cases are marked using the following macro.
+ */
+#define QLGE_FIT16(value) ((u16)(value))
+
/* MPI test register definitions. This register
* is used for determining alternate NIC function's
* PCI->func number.
diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
index 0e304a7ac22f..e1099bd29672 100644
--- a/drivers/staging/qlge/qlge_main.c
+++ b/drivers/staging/qlge/qlge_main.c
@@ -2974,7 +2974,6 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring)
void __iomem *doorbell_area =
qdev->doorbell_area + (DB_PAGE_SIZE * (128 + rx_ring->cq_id));
int err = 0;
- u16 bq_len;
u64 tmp;
__le64 *base_indirect_ptr;
int page_entries;
@@ -3009,8 +3008,8 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring)
memset((void *)cqicb, 0, sizeof(struct cqicb));
cqicb->msix_vect = rx_ring->irq;

- bq_len = (rx_ring->cq_len == 65536) ? 0 : (u16) rx_ring->cq_len;
- cqicb->len = cpu_to_le16(bq_len | LEN_V | LEN_CPP_CONT);
+ cqicb->len = cpu_to_le16(QLGE_FIT16(rx_ring->cq_len) | LEN_V |
+ LEN_CPP_CONT);

cqicb->addr = cpu_to_le64(rx_ring->cq_base_dma);

@@ -3034,12 +3033,9 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring)
page_entries++;
} while (page_entries < MAX_DB_PAGES_PER_BQ(rx_ring->lbq.len));
cqicb->lbq_addr = cpu_to_le64(rx_ring->lbq.base_indirect_dma);
- bq_len = qdev->lbq_buf_size == 65536 ? 0 :
- (u16)qdev->lbq_buf_size;
- cqicb->lbq_buf_size = cpu_to_le16(bq_len);
- bq_len = (rx_ring->lbq.len == 65536) ? 0 :
- (u16)rx_ring->lbq.len;
- cqicb->lbq_len = cpu_to_le16(bq_len);
+ cqicb->lbq_buf_size =
+ cpu_to_le16(QLGE_FIT16(qdev->lbq_buf_size));
+ cqicb->lbq_len = cpu_to_le16(QLGE_FIT16(rx_ring->lbq.len));
rx_ring->lbq.prod_idx = 0;
rx_ring->lbq.curr_idx = 0;
rx_ring->lbq.clean_idx = 0;
@@ -3059,9 +3055,7 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring)
cqicb->sbq_addr =
cpu_to_le64(rx_ring->sbq.base_indirect_dma);
cqicb->sbq_buf_size = cpu_to_le16(SMALL_BUFFER_SIZE);
- bq_len = (rx_ring->sbq.len == 65536) ? 0 :
- (u16)rx_ring->sbq.len;
- cqicb->sbq_len = cpu_to_le16(bq_len);
+ cqicb->sbq_len = cpu_to_le16(QLGE_FIT16(rx_ring->sbq.len));
rx_ring->sbq.prod_idx = 0;
rx_ring->sbq.curr_idx = 0;
rx_ring->sbq.clean_idx = 0;
--
2.23.0
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