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authorTom Rini <trini@konsulko.com>2019-10-30 09:04:52 -0400
committerTom Rini <trini@konsulko.com>2019-10-30 09:04:52 -0400
commitcc64810dc6234a3537502a05988fa7a1a6fa5d55 (patch)
treec4fa2eb538e6805a6c6080dea5b8fc03a7a8dc15 /doc
parentffc379b42c85466e1dd4c8fee8268801f26d2ab8 (diff)
parent5f19c9302133cda54d5d1a6b1caa400260de9192 (diff)
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Merge https://gitlab.denx.de/u-boot/custodians/u-boot-sunxi
- H6 dts(i) sync (Clément) - H6 PIO (Icenowy) - Fix pll1 clock calculation (Stefan) - H6 dram, half DQ (Jernej) - A64 OLinuXino eMMC (Sunil)
Diffstat (limited to 'doc')
-rw-r--r--doc/driver-model/spi-howto.rst8
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/driver-model/spi-howto.rst b/doc/driver-model/spi-howto.rst
index 5540eb7..9631a50 100644
--- a/doc/driver-model/spi-howto.rst
+++ b/doc/driver-model/spi-howto.rst
@@ -116,7 +116,7 @@ Put this code at the bottom of your existing driver file:
static int exynos_cs_info(struct udevice *bus, uint cs,
struct spi_cs_info *info)
{
- return -ENODEV;
+ return -EINVAL;
}
static const struct dm_spi_ops exynos_spi_ops = {
@@ -633,9 +633,9 @@ is not obvious from outside the driver. In this case you can provide a
method for cs_info() to deal with this. If you don't provide it, then the
device tree will be used to determine what chip selects are valid.
-Return -ENODEV if the supplied chip select is invalid, or 0 if it is valid.
-If you don't provide the cs_info() method, -ENODEV is assumed for all
-chip selects that do not appear in the device tree.
+Return -EINVAL if the supplied chip select is invalid, or 0 if it is valid.
+If you don't provide the cs_info() method, 0 is assumed for all chip selects
+that do not appear in the device tree.
Test it