linux-kernel - [PATCH 15/16] bus: ti-sysc: Tag sdio and wdt with legacy mode for suspend

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Message-Id: <20180423174549.57412-16-tony@atomide.com>
Date:   Mon, 23 Apr 2018 10:45:48 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     linux-omap@...r.kernel.org
Cc:     Dave Gerlach <d-gerlach@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nishanth Menon <nm@...com>, Suman Anna <s-anna@...com>,
        Tero Kristo <t-kristo@...com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 15/16] bus: ti-sysc: Tag sdio and wdt with legacy mode for suspend

Looks like these two device drivers don't yet behave properly for suspend
unless configured with the legacy option.

Signed-off-by: Tony Lindgren <tony@...mide.com>
---
 drivers/bus/ti-sysc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -883,6 +883,14 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
 	/* Uarts on omap4 and later */
 	SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x50411e03, 0xffffffff,
 		   SYSC_QUIRK_LEGACY_IDLE),
+
+	/* These devices don't yet suspend properly without legacy setting */
+	SYSC_QUIRK("sdio", 0, 0, 0x10, -1, 0x40202301, 0xffffffff,
+		   SYSC_QUIRK_LEGACY_IDLE),
+	SYSC_QUIRK("wdt", 0, 0, 0x10, 0x14, 0x502a0500, 0xffffffff,
+		   SYSC_QUIRK_LEGACY_IDLE),
+	SYSC_QUIRK("wdt", 0, 0, 0x10, 0x14, 0x502a0d00, 0xffffffff,
+		   SYSC_QUIRK_LEGACY_IDLE),
 };
 
 static void sysc_init_revision_quirks(struct sysc *ddata)
-- 
2.17.0