From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: Chen-Yu Tsai <wens@csie.org>, Samuel Holland <samuel@sholland.org>
Cc: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev,
Andre Przywara <andre.przywara@arm.com>,
Samuel Holland <samuel@sholland.org>
Subject: Re: [PATCH v3 2/3] bus: sunxi-rsb: Support atomic transfers
Date: Mon, 14 Nov 2022 21:49:58 +0100 [thread overview]
Message-ID: <3506150.LM0AJKV5NW@jernej-laptop> (raw)
In-Reply-To: <20221114015749.28490-3-samuel@sholland.org>
Dne ponedeljek, 14. november 2022 ob 02:57:48 CET je Samuel Holland
napisal(a):
> When communicating with a PMIC during system poweroff (pm_power_off()),
> IRQs are disabled and we are in a RCU read-side critical section, so we
> cannot use wait_for_completion_io_timeout(). Instead, poll the status
> register for transfer completion.
>
> Fixes: d787dcdb9c8f ("bus: sunxi-rsb: Add driver for Allwinner Reduced
> Serial Bus") Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Best regards,
Jernej
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next prev parent reply other threads:[~2022-11-14 20:51 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-14 1:57 [PATCH v3 0/3] bus: sunxi-rsb: Fix poweroff issues Samuel Holland
2022-11-14 1:57 ` [PATCH v3 1/3] bus: sunxi-rsb: Remove the shutdown callback Samuel Holland
2022-11-14 1:57 ` [PATCH v3 2/3] bus: sunxi-rsb: Support atomic transfers Samuel Holland
2022-11-14 20:49 ` Jernej Škrabec [this message]
2022-11-14 1:57 ` [PATCH v3 3/3] bus: sunxi-rsb: Clear interrupt status before each transfer Samuel Holland
2022-11-14 21:00 ` Jernej Škrabec
2022-11-15 6:08 ` Samuel Holland
2022-11-15 21:38 ` Jernej Škrabec
2022-11-16 18:29 ` [PATCH v3 0/3] bus: sunxi-rsb: Fix poweroff issues Jernej Škrabec
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