Dear Torsten Fleischer,
> Large EEPROMs, e.g. 24lc32, need 2 byte to address the internal memory.
> These devices require that the high byte of the internal address has to be
> written first.
> The mxs_i2c driver currently writes the address' low byte first.
>
> The following patch fixes the byte order of the internal address that
> should be written to the I2C device.
>
> Signed-off-by: Torsten Fleischer <to-fleisc...@t-online.de>
Acked-by: Marek Vasut <ma...@denx.de>
>
> CC: Marek Vasut <ma...@denx.de>
> CC: Stefano Babic <sba...@denx.de>
> CC: Fabio Estevam <fabio.este...@freescale.com>
> ---
> drivers/i2c/mxs_i2c.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/i2c/mxs_i2c.c b/drivers/i2c/mxs_i2c.c
> index c8fea32..48aaaa6 100644
> --- a/drivers/i2c/mxs_i2c.c
> +++ b/drivers/i2c/mxs_i2c.c
> @@ -97,7 +97,7 @@ void mxs_i2c_write(uchar chip, uint addr, int alen,
>
> for (i = 0; i < alen; i++) {
> data >>= 8;
> - data |= ((char *)&addr)[i] << 24;
> + data |= ((char *)&addr)[alen - i - 1] << 24;
> if ((i & 3) == 2)
> writel(data, &i2c_regs->hw_i2c_data);
> }
Best regards,
Marek Vasut
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