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

Tony Lindgren tony at atomide.com
Mon Apr 23 10:45:48 PDT 2018


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 at atomide.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



More information about the linux-arm-kernel mailing list