diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index ba2e1c5b6bcf..97321bb9600e 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -1189,7 +1189,7 @@ struct rx_ring { u32 cq_size; u32 cq_len; u16 cq_id; - u32 *prod_idx_sh_reg; /* Shadowed producer register. */ + volatile __le32 *prod_idx_sh_reg; /* Shadowed producer register. */ dma_addr_t prod_idx_sh_reg_dma; void __iomem *cnsmr_idx_db_reg; /* PCI doorbell mem area + 0 */ u32 cnsmr_idx; /* current sw idx */ @@ -1467,21 +1467,6 @@ static inline void ql_write_db_reg(u32 val, void __iomem *addr) mmiowb(); } -/* - * Shadow Registers: - * Outbound queues have a consumer index that is maintained by the chip. - * Inbound queues have a producer index that is maintained by the chip. - * For lower overhead, these registers are "shadowed" to host memory - * which allows the device driver to track the queue progress without - * PCI reads. When an entry is placed on an inbound queue, the chip will - * update the relevant index register and then copy the value to the - * shadow register in host memory. - */ -static inline unsigned int ql_read_sh_reg(const volatile void *addr) -{ - return *(volatile unsigned int __force *)addr; -} - extern char qlge_driver_name[]; extern const char qlge_driver_version[]; extern const struct ethtool_ops qlge_ethtool_ops; diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 9ceedfc4b56a..c0e43c552d1f 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -1559,7 +1559,7 @@ static void ql_process_chip_ae_intr(struct ql_adapter *qdev, static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) { struct ql_adapter *qdev = rx_ring->qdev; - u32 prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + u32 prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); struct ob_mac_iocb_rsp *net_rsp = NULL; int count = 0; @@ -1585,7 +1585,7 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) } count++; ql_update_cq(rx_ring); - prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); } ql_write_cq_idx(rx_ring); if (netif_queue_stopped(qdev->ndev) && net_rsp != NULL) { @@ -1605,7 +1605,7 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) static int ql_clean_inbound_rx_ring(struct rx_ring *rx_ring, int budget) { struct ql_adapter *qdev = rx_ring->qdev; - u32 prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + u32 prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); struct ql_net_rsp_iocb *net_rsp; int count = 0; @@ -1638,7 +1638,7 @@ static int ql_clean_inbound_rx_ring(struct rx_ring *rx_ring, int budget) } count++; ql_update_cq(rx_ring); - prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); if (count == budget) break; } @@ -1801,7 +1801,7 @@ static irqreturn_t qlge_isr(int irq, void *dev_id) * Check the default queue and wake handler if active. */ rx_ring = &qdev->rx_ring[0]; - if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) { + if (le32_to_cpu(*rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) { QPRINTK(qdev, INTR, INFO, "Waking handler for rx_ring[0].\n"); ql_disable_completion_interrupt(qdev, intr_context->intr); queue_delayed_work_on(smp_processor_id(), qdev->q_workqueue, @@ -1815,7 +1815,7 @@ static irqreturn_t qlge_isr(int irq, void *dev_id) */ for (i = 1; i < qdev->rx_ring_count; i++) { rx_ring = &qdev->rx_ring[i]; - if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) != + if (le32_to_cpu(*rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) { QPRINTK(qdev, INTR, INFO, "Waking handler for rx_ring[%d].\n", i);