Messages in this thread | | | Date | Thu, 3 Jul 2014 08:28:50 +0100 | From | Lee Jones <> | Subject | Re: [PATCH v2 04/10] mdf: cros_ec: Detect in-progress commands |
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On Wed, 18 Jun 2014, Doug Anderson wrote:
> From: Simon Glass <sjg@chromium.org> > > Some commands take a while to execute. Use -EAGAIN to signal this to the > caller. > > Signed-off-by: Simon Glass <sjg@chromium.org> > Signed-off-by: Doug Anderson <dianders@chromium.org> > Acked-by: Lee Jones <lee.jones@linaro.org> > --- > Changes in v2: None > > drivers/mfd/cros_ec_spi.c | 6 ++++++ > 1 file changed, 6 insertions(+)
Patch applied.
Clause: There is a chance that this patch might not be seen in -next for ~24-48hrs. If it's not there by 72hrs, feel free to poke.
> 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 Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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