diff options
| author | Antoine Tenart <antoine.tenart@bootlin.com> | 2019-11-13 12:00:05 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-11-13 22:45:42 +0300 |
| commit | 6e952d95cab1f6671c4da90ead4680572bb12ea7 (patch) | |
| tree | ad025b2834b991809268426f2cede35f394838b0 /drivers/net/ethernet/cadence | |
| parent | d7eaf962a90bf922c1ea2697933edfeca285a7d7 (diff) | |
| download | linux-6e952d95cab1f6671c4da90ead4680572bb12ea7.tar.xz | |
net: macb: move the Tx and Rx buffer initialization into a function
This patch moves the Tx and Rx buffer initialization into its own
function. This does not modify the behaviour of the driver and will be
helpful to convert the driver to phylink.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cadence')
| -rw-r--r-- | drivers/net/ethernet/cadence/macb_main.c | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index b884cf7f339b..1b3c8d678116 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -388,6 +388,27 @@ mdio_pm_exit: return status; } +static void macb_init_buffers(struct macb *bp) +{ + struct macb_queue *queue; + unsigned int q; + + for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) { + queue_writel(queue, RBQP, lower_32_bits(queue->rx_ring_dma)); +#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT + if (bp->hw_dma_cap & HW_DMA_CAP_64B) + queue_writel(queue, RBQPH, + upper_32_bits(queue->rx_ring_dma)); +#endif + queue_writel(queue, TBQP, lower_32_bits(queue->tx_ring_dma)); +#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT + if (bp->hw_dma_cap & HW_DMA_CAP_64B) + queue_writel(queue, TBQPH, + upper_32_bits(queue->tx_ring_dma)); +#endif + } +} + /** * macb_set_tx_clk() - Set a clock to a new frequency * @clk Pointer to the clock to change @@ -1314,26 +1335,14 @@ static void macb_hresp_error_task(unsigned long data) bp->macbgem_ops.mog_init_rings(bp); /* Initialize TX and RX buffers */ - for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) { - queue_writel(queue, RBQP, lower_32_bits(queue->rx_ring_dma)); -#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT - if (bp->hw_dma_cap & HW_DMA_CAP_64B) - queue_writel(queue, RBQPH, - upper_32_bits(queue->rx_ring_dma)); -#endif - queue_writel(queue, TBQP, lower_32_bits(queue->tx_ring_dma)); -#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT - if (bp->hw_dma_cap & HW_DMA_CAP_64B) - queue_writel(queue, TBQPH, - upper_32_bits(queue->tx_ring_dma)); -#endif + macb_init_buffers(bp); - /* Enable interrupts */ + /* Enable interrupts */ + for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) queue_writel(queue, IER, bp->rx_intr_mask | MACB_TX_INT_FLAGS | MACB_BIT(HRESP)); - } ctrl |= MACB_BIT(RE) | MACB_BIT(TE); macb_writel(bp, NCR, ctrl); |