On Mon, 16 Jun 2014, Doug Anderson wrote:
> From: Simon Glass <sjg@xxxxxxxxxxxx>
>
> Some commands take a while to execute. Use -EAGAIN to signal this to the
> caller.
>
> Signed-off-by: Simon Glass <sjg@xxxxxxxxxxxx>
> Signed-off-by: Doug Anderson <dianders@xxxxxxxxxxxx>
> ---
> drivers/mfd/cros_ec_spi.c | 6 ++++++
> 1 file changed, 6 insertions(+)
For the re-spin:
Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>
> diff --git a/drivers/mfd/cros_ec_spi.c b/drivers/mfd/cros_ec_spi.c
> index 52d4d7b..c29a2d7 100644
> --- a/drivers/mfd/cros_ec_spi.c
> +++ b/drivers/mfd/cros_ec_spi.c
> @@ -292,6 +292,12 @@ static int cros_ec_cmd_xfer_spi(struct cros_ec_device *ec_dev,
> /* check response error code */
> ptr = ec_dev->din;
> if (ptr[0]) {
> + if (ptr[0] == EC_RES_IN_PROGRESS) {
> + dev_dbg(ec_dev->dev, "command 0x%02x in progress\n",
> + ec_msg->cmd);
> + ret = -EAGAIN;
> + goto exit;
> + }
> dev_warn(ec_dev->dev, "command 0x%02x returned an error %d\n",
> ec_msg->cmd, ptr[0]);
> debug_packet(ec_dev->dev, "in_err", ptr, len);
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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