[PATCH 01/14] macb: fix mmu support

Sascha Hauer s.hauer at pengutronix.de
Tue Mar 13 09:37:30 EDT 2012


On Mon, Mar 12, 2012 at 12:17:49PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>

We already have this one in master.

> ---
>  drivers/net/macb.c |    8 +++++---
>  1 files changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/macb.c b/drivers/net/macb.c
> index ab0d1af..48492e5 100644
> --- a/drivers/net/macb.c
> +++ b/drivers/net/macb.c
> @@ -50,6 +50,7 @@
>  #include <mach/board.h>
>  #include <linux/clk.h>
>  #include <linux/err.h>
> +#include <asm/mmu.h>
>  
>  #include "macb.h"
>  
> @@ -118,6 +119,7 @@ static int macb_send(struct eth_device *edev, void *packet,
>  	macb->tx_ring[0].ctrl = ctrl;
>  	macb->tx_ring[0].addr = (ulong)packet;
>  	barrier();
> +	dma_flush_range((ulong) packet, (ulong)packet + length);
>  	writel(MACB_BIT(TE) | MACB_BIT(RE) | MACB_BIT(TSTART), macb->regs + MACB_NCR);
>  
>  	if (ctrl & TXBUF_UNDERRUN)
> @@ -430,9 +432,9 @@ static int macb_probe(struct device_d *dev)
>  	macb->miidev.parent = dev;
>  	macb->flags = pdata->flags;
>  
> -	macb->rx_buffer = xmalloc(CFG_MACB_RX_BUFFER_SIZE);
> -	macb->rx_ring = xmalloc(CFG_MACB_RX_RING_SIZE * sizeof(struct macb_dma_desc));
> -	macb->tx_ring = xmalloc(sizeof(struct macb_dma_desc));
> +	macb->rx_buffer = dma_alloc_coherent(CFG_MACB_RX_BUFFER_SIZE);
> +	macb->rx_ring = dma_alloc_coherent(CFG_MACB_RX_RING_SIZE * sizeof(struct macb_dma_desc));
> +	macb->tx_ring = dma_alloc_coherent(sizeof(struct macb_dma_desc));
>  
>  	macb->regs = dev_request_mem_region(dev, 0);
>  
> -- 
> 1.7.7
> 
> 
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