Wind River Support Network


LIN1021-4131 : octeon-tx2 spi warning ignoring unsupported mode bits a00

Created: Aug 9, 2022    Updated: Nov 22, 2022
Resolved Date: Oct 17, 2022
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: BSP


On an octeon-tx2 board (CN96XX), we get the following warning:

spi spi0.0: setup: ignoring unsupported mode bits a00

This is not a limitation of the hardware but of the driver.

In commit 3db5ffbecee7b769aa762a1a9cd82aee7cc18fe0, SPI bus speed is limited to x1 in order to fix an error.

This is not a suitable solution since it does not properly reflect the hardware's capabilities.


Steps to Reproduce

Build and boot up a project with the marvell-cn96xx BSP, wrlinux-image-std and no other changes.
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