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path: root/drivers/spi/spi-hisi-kunpeng.c
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Diffstat (limited to 'drivers/spi/spi-hisi-kunpeng.c')
-rw-r--r--drivers/spi/spi-hisi-kunpeng.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/spi/spi-hisi-kunpeng.c b/drivers/spi/spi-hisi-kunpeng.c
index 35ef5e8e2ffd..dadf558dd9c0 100644
--- a/drivers/spi/spi-hisi-kunpeng.c
+++ b/drivers/spi/spi-hisi-kunpeng.c
@@ -151,8 +151,6 @@ static const struct debugfs_reg32 hisi_spi_regs[] = {
HISI_SPI_DBGFS_REG("ENR", HISI_SPI_ENR),
HISI_SPI_DBGFS_REG("FIFOC", HISI_SPI_FIFOC),
HISI_SPI_DBGFS_REG("IMR", HISI_SPI_IMR),
- HISI_SPI_DBGFS_REG("DIN", HISI_SPI_DIN),
- HISI_SPI_DBGFS_REG("DOUT", HISI_SPI_DOUT),
HISI_SPI_DBGFS_REG("SR", HISI_SPI_SR),
HISI_SPI_DBGFS_REG("RISR", HISI_SPI_RISR),
HISI_SPI_DBGFS_REG("ISR", HISI_SPI_ISR),
@@ -483,6 +481,9 @@ static int hisi_spi_probe(struct platform_device *pdev)
return -EINVAL;
}
+ if (host->max_speed_hz == 0)
+ return dev_err_probe(dev, -EINVAL, "spi-max-frequency can't be 0\n");
+
ret = device_property_read_u16(dev, "num-cs",
&host->num_chipselect);
if (ret)
@@ -497,6 +498,7 @@ static int hisi_spi_probe(struct platform_device *pdev)
host->transfer_one = hisi_spi_transfer_one;
host->handle_err = hisi_spi_handle_err;
host->dev.fwnode = dev->fwnode;
+ host->min_speed_hz = DIV_ROUND_UP(host->max_speed_hz, CLK_DIV_MAX);
hisi_spi_hw_init(hs);
@@ -540,7 +542,7 @@ MODULE_DEVICE_TABLE(acpi, hisi_spi_acpi_match);
static struct platform_driver hisi_spi_driver = {
.probe = hisi_spi_probe,
- .remove_new = hisi_spi_remove,
+ .remove = hisi_spi_remove,
.driver = {
.name = "hisi-kunpeng-spi",
.acpi_match_table = hisi_spi_acpi_match,