linux-kernel - [PATCH AUTOSEL 6.4 24/31] bus: ti-sysc: Configure uart quirks for k3 SoC

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Date:   Fri,  8 Sep 2023 15:31:53 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Tony Lindgren <tony@...mide.com>, Nishanth Menon <nm@...com>,
        Sasha Levin <sashal@...nel.org>, linux-omap@...r.kernel.org
Subject: [PATCH AUTOSEL 6.4 24/31] bus: ti-sysc: Configure uart quirks for k3 SoC

From: Tony Lindgren <tony@...mide.com>

[ Upstream commit 03a711d3cb83692733f865312f49e665c49de6de ]

Enable the uart quirks similar to the earlier SoCs. Let's assume we are
likely going to need a k3 specific quirk mask separate from the earlier
SoCs, so let's not start changing the revision register mask at this point.

Note that SYSC_QUIRK_LEGACY_IDLE will be needed until we can remove the
need for pm_runtime_irq_safe() from 8250_omap driver.

Reviewed-by: Nishanth Menon <nm@...com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/bus/ti-sysc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 4cb23b9e06ea4..08a20672915c3 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -1525,6 +1525,8 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
 		   SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_LEGACY_IDLE),
 	SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x47422e03, 0xffffffff,
 		   SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_LEGACY_IDLE),
+	SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x47424e03, 0xffffffff,
+		   SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_LEGACY_IDLE),
 
 	/* Quirks that need to be set based on the module address */
 	SYSC_QUIRK("mcpdm", 0x40132000, 0, 0x10, -ENODEV, 0x50000800, 0xffffffff,
-- 
2.40.1