linux-kernel - [PATCH 5/9] bus: ti-sysc: Use context lost quirks for gpmc

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Message-Id: <20210921100115.59865-6-tony@atomide.com>
Date:   Tue, 21 Sep 2021 13:01:11 +0300
From:   Tony Lindgren <tony@...mide.com>
To:     linux-omap@...r.kernel.org
Cc:     Dave Gerlach <d-gerlach@...com>, Faiz Abbas <faiz_abbas@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Keerthy <j-keerthy@...com>, Kevin Hilman <khilman@...libre.com>,
        Nishanth Menon <nm@...com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 5/9] bus: ti-sysc: Use context lost quirks for gpmc

At least on am335x, the gpmc module needs a re-init and reset if context
has been lost on resume. We can enable this for all gpmc revisions as we
check if the context was lost before restoring it.

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

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
@@ -1574,6 +1574,7 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
 	SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
 		   SYSC_QUIRK_CLKDM_NOAUTO),
 	SYSC_QUIRK("gpmc", 0, 0, 0x10, 0x14, 0x00000060, 0xffffffff,
+		   SYSC_QUIRK_REINIT_ON_CTX_LOST | SYSC_QUIRK_RESET_ON_CTX_LOST |
 		   SYSC_QUIRK_GPMC_DEBUG),
 	SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
 		   SYSC_QUIRK_OPT_CLKS_NEEDED),
-- 
2.33.0