linux-kernel - Re: [PATCH v5 3/3] tty: serial: samsung: Fix serial rx on Apple A7-A9

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Message-ID: <r2y7z623256y4u4adttdp2romnbd5v3rhutw47yozgvpqyxatg@2gpc4yfy445r>
Date: Wed, 11 Sep 2024 08:59:13 +0200
From: Andi Shyti <andi.shyti@...nel.org>
To: Nick Chan <towinchenmi@...il.com>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, 
	Alim Akhtar <alim.akhtar@...sung.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Jiri Slaby <jirislaby@...nel.org>, linux-arm-kernel@...ts.infradead.org, 
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org, 
	asahi@...ts.linux.dev, Janne Grunau <j@...nau.net>, Neal Gompa <neal@...pa.dev>
Subject: Re: [PATCH v5 3/3] tty: serial: samsung: Fix serial rx on Apple A7-A9

Hi Nick,

On Wed, Sep 11, 2024 at 01:02:13PM GMT, Nick Chan wrote:
> Apple's older A7-A9 SoCs seems to use bit 3 in UTRSTAT as RXTO, which is
> enabled by bit 11 in UCON.
> 
> Access these bits in addition to the original RXTO and RXTO enable bits,
> to allow serial rx to function on A7-A9 SoCs. This change does not
> appear to affect the A10 SoC and up.
> 
> Tested-by: Janne Grunau <j@...nau.net>
> Reviewed-by: Neal Gompa <neal@...pa.dev>
> Signed-off-by: Nick Chan <towinchenmi@...il.com>

Reviewed-by: Andi Shyti <andi.shyti@...nel.org>

Thanks,
Andi