Re: [PATCH] Lattice ECP3 FPGA: Correct endianness

[Joe Perches]

On Thu, 2014-07-03 at 17:54 +0200, Jean-Michel Hautbois wrote:
> This patch corrects three big/little endian issues. Tested on i.MX6.

trivial:

> diff --git a/drivers/misc/lattice-ecp3-config.c
[]
> @@ -165,8 +165,8 @@ static void firmware_load(const struct firmware
> *fw, void *context)
> 
>      txbuf[0] = FPGA_CMD_READ_STATUS;
>      ret = spi_write_then_read(spi, txbuf, 8, rxbuf, rx_len);
> -    dev_dbg(&spi->dev, "FPGA Status=%08x\n", *(u32 *)&rxbuf[4]);
> -    status = *(u32 *)&rxbuf[4];
> +    dev_dbg(&spi->dev, "FPGA Status=%08x\n", be32_to_cpu(*(u32 *)&rxbuf[4]));
> +    status = be32_to_cpu(*(u32 *)&rxbuf[4]);

This should emit a sparse error.
It'd be simpler as:

	status = be32_to_cpu(*(__be32 *)&rxbuf[4]);
	dev_dbg(&spi->dev, "FPGA Status=%08x\n", status);


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/