linux-kernel - [PATCH v3 1/3] bus: sunxi-rsb: Remove the shutdown callback

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Message-Id: <20221114015749.28490-2-samuel@sholland.org>
Date:   Sun, 13 Nov 2022 19:57:47 -0600
From:   Samuel Holland <samuel@...lland.org>
To:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...ts.linux.dev,
        Andre Przywara <andre.przywara@....com>,
        Samuel Holland <samuel@...lland.org>
Subject: [PATCH v3 1/3] bus: sunxi-rsb: Remove the shutdown callback

Shutting down the RSB controller prevents communicating with a PMIC
inside pm_power_off(), since that gets called after device_shutdown(),
so it breaks system poweroff on some boards.

Reported-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>
Fixes: 843107498f91 ("bus: sunxi-rsb: Implement suspend/resume/shutdown callbacks")
Signed-off-by: Samuel Holland <samuel@...lland.org>
---

Changes in v3:
 - Adjust patch 1 commit message

 drivers/bus/sunxi-rsb.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 4cd2e127946e..17343cd75338 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -812,14 +812,6 @@ static int sunxi_rsb_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static void sunxi_rsb_shutdown(struct platform_device *pdev)
-{
-	struct sunxi_rsb *rsb = platform_get_drvdata(pdev);
-
-	pm_runtime_disable(&pdev->dev);
-	sunxi_rsb_hw_exit(rsb);
-}
-
 static const struct dev_pm_ops sunxi_rsb_dev_pm_ops = {
 	SET_RUNTIME_PM_OPS(sunxi_rsb_runtime_suspend,
 			   sunxi_rsb_runtime_resume, NULL)
@@ -835,7 +827,6 @@ MODULE_DEVICE_TABLE(of, sunxi_rsb_of_match_table);
 static struct platform_driver sunxi_rsb_driver = {
 	.probe = sunxi_rsb_probe,
 	.remove	= sunxi_rsb_remove,
-	.shutdown = sunxi_rsb_shutdown,
 	.driver	= {
 		.name = RSB_CTRL_NAME,
 		.of_match_table = sunxi_rsb_of_match_table,
-- 
2.37.3