Re: [RESEND PATCH v2 2/2] spi: soft_spi: Parse cs-gpios only if num-chipselects is not <0>

On Wed, 14 Aug 2024 at 04:14, Mikhail Kshevetskiy mikhail.kshevetskiy@iopsys.eu wrote:

From: Michael Polyntsov michael.polyntsov@iopsys.eu

Some boards don't have chipselect lines for leds so cs-gpios is not specified in the dts leading to probing error. Fix it by making behavior similar to the one in Linux, parse num-chipselects and if it is zero, ignore cs-gpios.

Signed-off-by: Michael Polyntsov michael.polyntsov@iopsys.eu Signed-off-by: Mikhail Kshevetskiy mikhail.kshevetskiy@iopsys.eu

---

doc/device-tree-bindings/spi/soft-spi.txt | 5 +++-- drivers/spi/soft_spi.c | 22 +++++++++++++++++++++- 2 files changed, 24 insertions(+), 3 deletions(-)

Reviewed-by: Simon Glass sjg@chromium.org