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spi: rockchip: Fix error in getting num-cs property

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

Change-Id: I265c8c696f1ff884ce6e7690d9c886a2ed1bd267
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2021-09-24 15:10:19 +08:00
committed by Tao Huang
parent 4645dbe6ed
commit 0b17f9b3f1
1 changed files with 4 additions and 3 deletions
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7
drivers/spi/spi-rockchip.c
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@@ -753,7 +753,7 @@ 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;
struct pinctrl *pinctrl = NULL;
@@ -862,8 +862,9 @@ 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;