Le 22/07/2022 à 18:48, 周琰杰 (Zhou Yanjie) a écrit :
Add SFC support for the X1000 SoC, the X1600 SoC, and the X2000 SoC
from Ingenic.
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@xxxxxxxxxxxxxx>
---
drivers/spi/Kconfig | 9 +
drivers/spi/Makefile | 1 +
drivers/spi/spi-ingenic-sfc.c | 662 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 672 insertions(+)
create mode 100644 drivers/spi/spi-ingenic-sfc.c
[...]
+static int ingenic_sfc_probe(struct platform_device *pdev)
+{
+ struct ingenic_sfc *sfc;
+ struct spi_controller *ctlr;
+ int ret;
+
+ ctlr = spi_alloc_master(&pdev->dev, sizeof(*sfc));
+ if (!ctlr)
+ return -ENOMEM;
devm_spi_alloc_master()? (+ error handling simplification)
Or there should be a .remove() function.
CJ
+
+ sfc = spi_controller_get_devdata(ctlr);
+
+ sfc->soc_info = of_device_get_match_data(&pdev->dev);
+ if (!sfc->soc_info) {
+ dev_err(&pdev->dev, "No of match data provided\n");
+ ret = -ENODEV;
+ goto err_put_master;
+ }
+
[...]
