> + u32 temp = le32_to_cpu(psg->sg[i-1].count) -
> + (byte_count - scsicmd->request_bufflen);
> + psg->sg[i-1].count = cpu_to_le32(temp);
You really want {be,le}*_{add,sub} helpers. I needed them on various
occasions, too. Al, what do you think about adding these helpers to a
common header somewhere?
> +#define LE32_ALL_ONES ((__force __le32)0xffffffff)
I don't like having this in an actual driver. It might make sense to
either have this in a common header or actually allowing to assign all
ones to __l32*/__be* variables. Al?
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