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From:   Peng Fan <peng.fan@nxp.com>
To:     Michael Walle <michael@walle.cc>,
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        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
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CC:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
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        Mark Rutland <mark.rutland@arm.com>,
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        Jiri Slaby <jslaby@suse.com>, Yuan Yao <yao.yuan@nxp.com>,
        Vabhav Sharma <vabhav.sharma@nxp.com>
Subject: RE: [PATCH 1/7] Revert "tty: serial: fsl_lpuart: drop
 EARLYCON_DECLARE"
Thread-Topic: [PATCH 1/7] Revert "tty: serial: fsl_lpuart: drop
 EARLYCON_DECLARE"
Thread-Index: AQHV6BVTF5F9eyvotUSiqL0QbCpNFagk3KrQ
Date:   Fri, 21 Feb 2020 01:30:33 +0000
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References: <20200220174334.23322-1-michael@walle.cc>
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> Subject: [PATCH 1/7] Revert "tty: serial: fsl_lpuart: drop EARLYCON_DECLA=
RE"
>=20
> This reverts commit a659652f6169240a5818cb244b280c5a362ef5a4.
>=20
> This broke the earlycon on LS1021A processors because the order of the
> earlycon_setup() functions were changed. Before the commit the normal
> lpuart32_early_console_setup() was called. After the commit the
> lpuart32_imx_early_console_setup() is called instead.

How do you pass earlycon args to kernel?

Regards,
Peng.=20

>=20
> Fixes: a659652f6169 ("tty: serial: fsl_lpuart: drop EARLYCON_DECLARE")
> Signed-off-by: Michael Walle <michael@walle.cc>
> ---
>  drivers/tty/serial/fsl_lpuart.c | 2 ++
>  1 file changed, 2 insertions(+)
>=20
> diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpu=
art.c index
> 91e2805e6441..27fdc131c352 100644
> --- a/drivers/tty/serial/fsl_lpuart.c
> +++ b/drivers/tty/serial/fsl_lpuart.c
> @@ -2390,6 +2390,8 @@ static int __init
> lpuart32_imx_early_console_setup(struct earlycon_device *devic
> OF_EARLYCON_DECLARE(lpuart, "fsl,vf610-lpuart",
> lpuart_early_console_setup);  OF_EARLYCON_DECLARE(lpuart32,
> "fsl,ls1021a-lpuart", lpuart32_early_console_setup);
> OF_EARLYCON_DECLARE(lpuart32, "fsl,imx7ulp-lpuart",
> lpuart32_imx_early_console_setup);
> +EARLYCON_DECLARE(lpuart, lpuart_early_console_setup);
> +EARLYCON_DECLARE(lpuart32, lpuart32_early_console_setup);
>=20
>  #define LPUART_CONSOLE	(&lpuart_console)
>  #define LPUART32_CONSOLE	(&lpuart32_console)
> --
> 2.20.1