From: Mark Brown Date: Tue, 25 Mar 2014 19:28:22 +0000 (+0000) Subject: spi: Do not require a completion X-Git-Tag: firefly_0821_release~176^2~4201^2~9^2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1e25cd4729bd76662d02b142a6a7f8504bb6aea7;p=firefly-linux-kernel-4.4.55.git spi: Do not require a completion There is no real reason why we require transfers to have a completion and the only user of the completion now checks to see if one has been provided before using it so stop enforcing this. This makes it more convenient for drivers to chain multiple asynchronous transfers together. Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 38e1c315bb13..d94782340b47 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1621,8 +1621,6 @@ static int __spi_validate(struct spi_device *spi, struct spi_message *message) if (list_empty(&message->transfers)) return -EINVAL; - if (!message->complete) - return -EINVAL; /* Half-duplex links include original MicroWire, and ones with * only one data pin like SPI_3WIRE (switches direction) or where