| From 213d3433d7939ab9a1318d32fe7e11d363da42dd Mon Sep 17 00:00:00 2001 |
| From: Geert Uytterhoeven <geert+renesas@glider.be> |
| Date: Mon, 26 May 2014 14:05:25 +0200 |
| Subject: spi: core: Ignore unsupported spi-[tr]x-bus-width property values |
| |
| Rejecting unsupported values of spi-tx-bus-width and spi-rx-bus-width |
| may break compatibility with future DTs. Just ignore them, falling back |
| to Single SPI Transfers. |
| |
| Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> |
| Signed-off-by: Mark Brown <broonie@linaro.org> |
| (cherry picked from commit 80874d8c9e9cbfa195572dfea46f2314098b3869) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| --- |
| drivers/spi/spi.c | 18 ++++++++---------- |
| 1 file changed, 8 insertions(+), 10 deletions(-) |
| |
| diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c |
| index dbab6681a1a1..3f401021f104 100644 |
| --- a/drivers/spi/spi.c |
| +++ b/drivers/spi/spi.c |
| @@ -1190,11 +1190,10 @@ static void of_register_spi_devices(struct spi_master *master) |
| spi->mode |= SPI_TX_QUAD; |
| break; |
| default: |
| - dev_err(&master->dev, |
| - "spi-tx-bus-width %d not supported\n", |
| - value); |
| - spi_dev_put(spi); |
| - continue; |
| + dev_warn(&master->dev, |
| + "spi-tx-bus-width %d not supported\n", |
| + value); |
| + break; |
| } |
| } |
| |
| @@ -1209,11 +1208,10 @@ static void of_register_spi_devices(struct spi_master *master) |
| spi->mode |= SPI_RX_QUAD; |
| break; |
| default: |
| - dev_err(&master->dev, |
| - "spi-rx-bus-width %d not supported\n", |
| - value); |
| - spi_dev_put(spi); |
| - continue; |
| + dev_warn(&master->dev, |
| + "spi-rx-bus-width %d not supported\n", |
| + value); |
| + break; |
| } |
| } |
| |
| -- |
| 2.1.2 |
| |