summaryrefslogtreecommitdiff
path: root/drivers/spi/spi-dw-mmio.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/spi/spi-dw-mmio.c')
-rw-r--r--drivers/spi/spi-dw-mmio.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index cc74cbe03431..f0f576fac77a 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -320,7 +320,11 @@ static int dw_spi_mmio_probe(struct platform_device *pdev)
struct resource *mem;
struct dw_spi *dws;
int ret;
- int num_cs;
+
+ if (device_property_read_bool(&pdev->dev, "spi-slave")) {
+ dev_warn(&pdev->dev, "spi-slave is not yet supported\n");
+ return -ENODEV;
+ }
dwsmmio = devm_kzalloc(&pdev->dev, sizeof(struct dw_spi_mmio),
GFP_KERNEL);
@@ -364,11 +368,8 @@ static int dw_spi_mmio_probe(struct platform_device *pdev)
&dws->reg_io_width))
dws->reg_io_width = 4;
- num_cs = 4;
-
- device_property_read_u32(&pdev->dev, "num-cs", &num_cs);
-
- dws->num_cs = num_cs;
+ /* Rely on the auto-detection if no property specified */
+ device_property_read_u32(&pdev->dev, "num-cs", &dws->num_cs);
init_func = device_get_match_data(&pdev->dev);
if (init_func) {
@@ -432,7 +433,7 @@ MODULE_DEVICE_TABLE(acpi, dw_spi_mmio_acpi_match);
static struct platform_driver dw_spi_mmio_driver = {
.probe = dw_spi_mmio_probe,
- .remove_new = dw_spi_mmio_remove,
+ .remove = dw_spi_mmio_remove,
.driver = {
.name = DRIVER_NAME,
.of_match_table = dw_spi_mmio_of_match,
@@ -444,4 +445,4 @@ module_platform_driver(dw_spi_mmio_driver);
MODULE_AUTHOR("Jean-Hugues Deschenes <jean-hugues.deschenes@octasic.com>");
MODULE_DESCRIPTION("Memory-mapped I/O interface driver for DW SPI Core");
MODULE_LICENSE("GPL v2");
-MODULE_IMPORT_NS(SPI_DW_CORE);
+MODULE_IMPORT_NS("SPI_DW_CORE");