linux-kernel - Re: [PATCH next v2] spi: Raise limit on number of chip selects to 24

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Message-ID: <20250629-mysterious-violet-boobook-0b0aee-mkl@pengutronix.de>
Date: Sun, 29 Jun 2025 18:18:52 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Mark Brown <broonie@...nel.org>
Cc: linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org, 
	kernel@...gutronix.de
Subject: Re: [PATCH next v2] spi: Raise limit on number of chip selects to 24

Hello Mark,

I accidentally send this twice, resulting in a v2. They v1 and v2 are
the same. Sorry.

Covering under a brown paper bag,
Marc

On 29.06.2025 18:15:32, Marc Kleine-Budde wrote:
> We have a system which uses 24 SPI chip selects, raise the hard coded
> limit accordingly.
> 
> Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
> ---
> Changes in v2:
> - EDITME: describe what is new in this series revision.
> - EDITME: use bulletpoints and terse descriptions.
> - Link to v1: https://patch.msgid.link/20250629-spi-increase-number-of-cs-v1-1-df791bf4b370@pengutronix.de
> ---
>  include/linux/spi/spi.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
> index 4789f91dae94..e9ea43234d9a 100644
> --- a/include/linux/spi/spi.h
> +++ b/include/linux/spi/spi.h
> @@ -21,7 +21,7 @@
>  #include <uapi/linux/spi/spi.h>
>  
>  /* Max no. of CS supported per spi device */
> -#define SPI_CS_CNT_MAX 16
> +#define SPI_CS_CNT_MAX 24
>  
>  struct dma_chan;
>  struct software_node;
> 
> ---
> base-commit: 3e36c822506d924894ff7de549b9377d3114c2d7
> change-id: 20250627-spi-increase-number-of-cs-deeb23bcd578
> 
> Best regards,
> -- 
> Marc Kleine-Budde <mkl@...gutronix.de>
> 
> 
> 

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
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