Re: Regression in next with spi return from transfer_one()

[Mark Brown <broonie@kernel.org>]

[-- Attachment #1: Type: text/plain, Size: 949 bytes --]

On Thu, Nov 15, 2018 at 03:44:00PM -0800, Tony Lindgren wrote:

> It seems to be caused because of the now missing "if (ret > 0) {"
> line somehow that was there earlier. New code sets ms to 200 it
> seems, then dmesg shows:

Doh, of course :(  Sorry I missed that.

> The old code is not updating ms and it's set to 1.

Right, and not waiting either which should be the issue.  Does the
following work:

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 498d3b9bf3ae..430ad637c643 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1114,9 +1114,11 @@ static int spi_transfer_one_message(struct spi_controller *ctlr,
 				goto out;
 			}
 
-			ret = spi_transfer_wait(ctlr, msg, xfer);
-			if (ret < 0)
-				msg->status = ret;
+			if (ret > 0) {
+				ret = spi_transfer_wait(ctlr, msg, xfer);
+				if (ret < 0)
+					msg->status = ret;
+			}
 		} else {
 			if (xfer->len)
 				dev_err(&msg->spi->dev,

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]