[PATCH v3 1/6] spi: rockchip: Fix error in getting num-cs property

Jon Lin
2022-02-16T01:41:04Z

Get num-cs u32 from dts of_node property rather than u16.

Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
---

Changes in v3: None
Changes in v2:
- Fix patches should be at the start of the series

Changes in v1:
- The origin patch

drivers/spi/spi-rockchip.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 553b6b9d0222..4f65ba3dd19c 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -654,7 +654,7 @@ static int rockchip_spi_probe(struct platform_device *pdev)
struct spi_controller *ctlr;
struct resource *mem;
struct device_node *np = pdev->dev.of_node;
- u32 rsd_nsecs;
+ u32 rsd_nsecs, num_cs;
bool slave_mode;

slave_mode = of_property_read_bool(np, "spi-slave");
@@ -764,8 +764,9 @@ static int rockchip_spi_probe(struct platform_device *pdev)
* rk spi0 has two native cs, spi1..5 one cs only
* if num-cs is missing in the dts, default to 1
*/
- if (of_property_read_u16(np, "num-cs", &ctlr->num_chipselect))
- ctlr->num_chipselect = 1;
+ if (of_property_read_u32(np, "num-cs", &num_cs))
+ num_cs = 1;
+ ctlr->num_chipselect = num_cs;
ctlr->use_gpio_descriptors = true;
}
ctlr->dev.of_node = pdev->dev.of_node;
--
2.17.1