[U-Boot] [PATCH 2/3] net/altera_tse: use flush_dcache_range instead of flush_dcache

Thomas Chou thomas at wytron.com.tw
Thu Nov 10 10:14:43 CET 2011


On 11/04/2011 08:38 PM, Stefan Kristiansson wrote:
> flush_dcache is not declared in the common.h API,
> flush_dcache_range however is
>
> Signed-off-by: Stefan Kristiansson<stefan.kristiansson at saunalahti.fi>
> Cc: Ben Warren<biggerbadderben at gmail.com>
> Cc: Thomas Chou<thomas at wytron.com.tw>
> ---
>   drivers/net/altera_tse.c |    9 ++++++---
>   1 files changed, 6 insertions(+), 3 deletions(-)

Acked-by: Thomas Chou <thomas at wytron.com.tw>

>
> diff --git a/drivers/net/altera_tse.c b/drivers/net/altera_tse.c
> index 5b00717..0e6aac7 100644
> --- a/drivers/net/altera_tse.c
> +++ b/drivers/net/altera_tse.c
> @@ -268,7 +268,8 @@ static int tse_eth_send(struct eth_device *dev,
>   	volatile struct alt_sgdma_descriptor *tx_desc_cur =
>   	    (volatile struct alt_sgdma_descriptor *)&tx_desc[0];
>
> -	flush_dcache((unsigned long)packet, length);
> +	flush_dcache_range((unsigned long)packet,
> +			(unsigned long)packet + length);
>   	alt_sgdma_construct_descriptor_burst(
>   		(volatile struct alt_sgdma_descriptor *)&tx_desc[0],
>   		(volatile struct alt_sgdma_descriptor *)&tx_desc[1],
> @@ -306,7 +307,8 @@ static int tse_eth_rx(struct eth_device *dev)
>   		NetReceive(NetRxPackets[0], packet_length);
>
>   		/* start descriptor again */
> -		flush_dcache((unsigned long)(NetRxPackets[0]), PKTSIZE_ALIGN);
> +		flush_dcache_range((unsigned long)(NetRxPackets[0]),
> +			(unsigned long)(NetRxPackets[0]) + PKTSIZE_ALIGN);
>   		alt_sgdma_construct_descriptor_burst(
>   			(volatile struct alt_sgdma_descriptor *)&rx_desc[0],
>   			(volatile struct alt_sgdma_descriptor *)&rx_desc[1],
> @@ -834,7 +836,8 @@ static int tse_eth_init(struct eth_device *dev, bd_t * bd)
>   		0x0	/* channel */
>   		);
>   	debug("Configuring rx desc\n");
> -	flush_dcache((unsigned long)(NetRxPackets[0]), PKTSIZE_ALIGN);
> +	flush_dcache_range((unsigned long)(NetRxPackets[0]),
> +			(unsigned long)(NetRxPackets[0]) + PKTSIZE_ALIGN);
>   	alt_sgdma_construct_descriptor_burst(
>   		(volatile struct alt_sgdma_descriptor *)&rx_desc[0],
>   		(volatile struct alt_sgdma_descriptor *)&rx_desc[1],



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