[RFT][PATCH] b43: DMA: debug rings alignment

[ISE Development]

On Thursday 14 Mar 2013 21:41:21 Rafał Miłecki wrote:
> index 38bc5a7..30da6ce 100644
> --- a/drivers/net/wireless/b43/dma.c
> +++ b/drivers/net/wireless/b43/dma.c
> @@ -915,6 +915,21 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev
> *dev, ring->last_injected_overflow = jiffies;
>  #endif
>  
> +       if (type == B43_DMA_64BIT) {
> +               u32 tmp;
> +               if (for_tx) {
> +                       b43_write32(dev, ring->mmio_base +
> B43_DMA64_TXRINGLO, 0xff0); +                       tmp = b43_read32(dev,
> ring->mmio_base + B43_DMA64_TXRINGLO);
> +                       pr_info("[DBG] Testing TX on ring 0x%X: 0x%X\n",
> ring->mmio_base, tmp); +               } else {
> +                       b43_write32(dev, ring->mmio_base +
> B43_DMA64_RXRINGLO, 0xff0); +                       tmp = b43_read32(dev,
> ring->mmio_base + B43_DMA64_RXRINGLO);
> +                       pr_info("[DBG] Testing RX on ring 0x%X: 0x%X\n",
> ring->mmio_base, tmp); +               }
> +       } else {
> +               pr_err("[DBG] Whoops, it's not 64b DMA engine!\n");
> +       }
> +
>         if (for_tx) {
>                 /* Assumption: B43_TXRING_SLOTS can be divided by
> TX_SLOTS_PER_FRAME */ BUILD_BUG_ON(B43_TXRING_SLOTS % TX_SLOTS_PER_FRAME !=
> 0);

Will start testing now...

-- 
-- isedev