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Date:   Tue, 31 Oct 2023 11:31:31 +0530
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Subject: Re: [PATCH] greybus: BeaglePlay driver needs CRC_CCITT
To:     Randy Dunlap <rdunlap@infradead.org>, linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Johan Hovold <johan@kernel.org>, Alex Elder <elder@kernel.org>,
        greybus-dev@lists.linaro.org
References: <20231031040909.21201-1-rdunlap@infradead.org>
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From:   Ayush Singh <ayushdevel1325@gmail.com>
In-Reply-To: <20231031040909.21201-1-rdunlap@infradead.org>
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On 10/31/23 09:39, Randy Dunlap wrote:

> The gb-beagleplay driver uses crc_ccitt(), so it should select
> CRC_CCITT to make sure that the function is available.
>
> Fixes these build errors:
>
> s390-linux-ld: drivers/greybus/gb-beagleplay.o: in function `hdlc_append_tx_u8':
> gb-beagleplay.c:(.text+0x2c0): undefined reference to `crc_ccitt'
> s390-linux-ld: drivers/greybus/gb-beagleplay.o: in function `hdlc_rx_frame':
> gb-beagleplay.c:(.text+0x6a0): undefined reference to `crc_ccitt'
>
> Fixes: ec558bbfea67 ("greybus: Add BeaglePlay Linux Driver")
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: Ayush Singh <ayushdevel1325@gmail.com>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Johan Hovold <johan@kernel.org>
> Cc: Alex Elder <elder@kernel.org>
> Cc: greybus-dev@lists.linaro.org
> ---
>   drivers/greybus/Kconfig |    1 +
>   1 file changed, 1 insertion(+)
>
> diff -- a/drivers/greybus/Kconfig b/drivers/greybus/Kconfig
> --- a/drivers/greybus/Kconfig
> +++ b/drivers/greybus/Kconfig
> @@ -20,6 +20,7 @@ if GREYBUS
>   config GREYBUS_BEAGLEPLAY
>   	tristate "Greybus BeaglePlay driver"
>   	depends on SERIAL_DEV_BUS
> +	select CRC_CCITT
>   	help
>   	  Select this option if you have a BeaglePlay where CC1352
>   	  co-processor acts as Greybus SVC.

Thanks.

Reviewed-by: Ayush Singh <ayushdevel1325@gmail.com>


Ayush Singh