linux-kernel - [PATCH] mmc: sdhci-of-arasan: Add shutdown callback

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250522094932.4187301-1-alvin.paulp@amd.com>
Date: Thu, 22 May 2025 15:19:32 +0530
From: Paul Alvin <alvin.paulp@....com>
To: <michal.simek@....com>, <adrian.hunter@...el.com>,
	<ulf.hansson@...aro.org>
CC: <git@....com>, <alvin.paulp@....com>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-mmc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH] mmc: sdhci-of-arasan: Add shutdown callback

Implement shutdown hook to suspend host, power off PHY if enabled and
disable all mmc clocks.

Signed-off-by: Paul Alvin <alvin.paulp@....com>
---
 drivers/mmc/host/sdhci-of-arasan.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 8c29676ab662..af4643e24ecc 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -2056,6 +2056,13 @@ static void sdhci_arasan_remove(struct platform_device *pdev)
 	clk_disable_unprepare(clk_ahb);
 }
 
+static void sdhci_arasan_shutdown(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+
+	sdhci_arasan_suspend(dev);
+}
+
 static struct platform_driver sdhci_arasan_driver = {
 	.driver = {
 		.name = "sdhci-arasan",
@@ -2065,6 +2072,7 @@ static struct platform_driver sdhci_arasan_driver = {
 	},
 	.probe = sdhci_arasan_probe,
 	.remove = sdhci_arasan_remove,
+	.shutdown = sdhci_arasan_shutdown,
 };
 
 module_platform_driver(sdhci_arasan_driver);
-- 
2.25.1