On 7/14/07, Michael Buesch <[email protected]> wrote:
On Saturday 14 July 2007 20:49:53 Bryan Wu wrote:
> +static int __init bf537mac_probe(struct net_device *dev)
> +{
> + struct bf537mac_local *lp = netdev_priv(dev);
> + int retval;
> +
> + /* Grab the MAC address in the MAC */
> + *(u32 *) (&(dev->dev_addr[0])) = bfin_read_EMAC_ADDRLO();
> + *(u16 *) (&(dev->dev_addr[4])) = (u16) bfin_read_EMAC_ADDRHI();
Endianess broken.
> +struct dma_config_reg {
> + unsigned short b_DMA_EN:1; /* Bit 0 : DMA Enable */
> + unsigned short b_WNR:1; /* Bit 1 : DMA Direction */
> + unsigned short b_WDSIZE:2; /* Bit 2 & 3 : DMA Tranfer Word size */
> + unsigned short b_DMA2D:1; /* Bit 4 : DMA Mode 2D or 1D */
> + unsigned short b_RESTART:1; /* Bit 5 : Retain the FIFO */
> + unsigned short b_DI_SEL:1; /* Bit 6 : Data Interrupt Timing Select */
> + unsigned short b_DI_EN:1; /* Bit 7 : Data Interrupt Enable */
> + unsigned short b_NDSIZE:4; /* Bit 8 to 11 : Flex descriptor Size */
> + unsigned short b_FLOW:3; /* Bit 12 to 14 : FLOW */
> +};
This is most likely not endianess safe.
do we really need to care about this ? this is a driver for a MAC
which can only be found on Blackfin processors and Blackfin itself is
only little endian.
-mike
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