From: "Ivan T. Ivanov" <iivanov@xxxxxxxxxx> This patch has been added to the 3.18 stable tree. If you have any objections, please let us know. =============== [ Upstream commit 12cb89e37a0c25fae7a0f1d2e4985558db9d0b13 ] num-cs is 32 bit property, don't read just upper 16 bits. Fixes: 4a8573abe965 (spi: qup: Remove chip select function) Signed-off-by: Ivan T. Ivanov <iivanov@xxxxxxxxxx> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx> --- drivers/spi/spi-qup.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c index 9f83d29..6976f8a 100644 --- a/drivers/spi/spi-qup.c +++ b/drivers/spi/spi-qup.c @@ -489,7 +489,7 @@ static int spi_qup_probe(struct platform_device *pdev) struct resource *res; struct device *dev; void __iomem *base; - u32 max_freq, iomode; + u32 max_freq, iomode, num_cs; int ret, irq, size; dev = &pdev->dev; @@ -541,10 +541,11 @@ static int spi_qup_probe(struct platform_device *pdev) } /* use num-cs unless not present or out of range */ - if (of_property_read_u16(dev->of_node, "num-cs", - &master->num_chipselect) || - (master->num_chipselect > SPI_NUM_CHIPSELECTS)) + if (of_property_read_u32(dev->of_node, "num-cs", &num_cs) || + num_cs > SPI_NUM_CHIPSELECTS) master->num_chipselect = SPI_NUM_CHIPSELECTS; + else + master->num_chipselect = num_cs; master->bus_num = pdev->id; master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LOOP; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html