bus: ti-sysc: Detect UARTs for SYSC_QUIRK_LEGACY_IDLE quirk on omap4

Starting with omap4, UARTs have different revision register that we need to
detect to enable SYSC_QUIRK_LEGACY_IDLE. Otherwise UARTs won't idle properly.

Signed-off-by: Tony Lindgren <tony@atomide.com>

parent 8cde5d5f

drivers/bus/ti-sysc.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -880,6 +880,9 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
		SYSC_QUIRK_LEGACY_IDLE),
		SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x00000052, 0xffffffff,
		SYSC_QUIRK_LEGACY_IDLE),
		/* Uarts on omap4 and later */
		SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x50411e03, 0xffffffff,
		SYSC_QUIRK_LEGACY_IDLE),
		};

		static void sysc_init_revision_quirks(struct sysc *ddata)