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authorIngo Molnar <mingo@kernel.org>2024-09-05 12:17:43 +0300
committerIngo Molnar <mingo@kernel.org>2024-09-05 12:17:43 +0300
commit95c13662b65c562d4902ad9f810378261347a749 (patch)
tree036091f8615fdf2d00021709993b00790a630250 /drivers/spi/spi-hisi-kunpeng.c
parentfe826cc2654e8561b64246325e6a51b62bf2488c (diff)
parent2ab9d830262c132ab5db2f571003d80850d56b2a (diff)
downloadlinux-95c13662b65c562d4902ad9f810378261347a749.tar.xz
Merge branch 'perf/urgent' into perf/core, to pick up fixes
This also refreshes the -rc1 based branch to -rc5. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/spi/spi-hisi-kunpeng.c')
-rw-r--r--drivers/spi/spi-hisi-kunpeng.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/spi/spi-hisi-kunpeng.c b/drivers/spi/spi-hisi-kunpeng.c
index 77e9738e42f6..16054695bdb0 100644
--- a/drivers/spi/spi-hisi-kunpeng.c
+++ b/drivers/spi/spi-hisi-kunpeng.c
@@ -481,6 +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)
@@ -495,6 +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);