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Date:   Fri, 14 Feb 2020 10:43:29 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Tero Kristo <t-kristo@...com>, Tony Lindgren <tony@...mide.com>,
        Sasha Levin <sashal@...nel.org>, linux-omap@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.5 217/542] ARM: OMAP2+: pdata-quirks: add PRM data for reset support

From: Tero Kristo <t-kristo@...com>

[ Upstream commit 8de44fb70659a5bc0c53a443e6129ea1bf00fd8b ]

The parent clockdomain for reset must be in force wakeup mode, otherwise
the reset may never complete. Add pdata quirks for this purpose for PRM
driver.

Signed-off-by: Tero Kristo <t-kristo@...com>
Acked-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/mach-omap2/pdata-quirks.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index e95c224ffc4d8..7a79bcc02a11b 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -23,6 +23,7 @@
 #include <linux/platform_data/ti-sysc.h>
 #include <linux/platform_data/wkup_m3.h>
 #include <linux/platform_data/asoc-ti-mcbsp.h>
+#include <linux/platform_data/ti-prm.h>
 
 #include "clockdomain.h"
 #include "common.h"
@@ -412,6 +413,12 @@ void omap_pcs_legacy_init(int irq, void (*rearm)(void))
 	pcs_pdata.rearm = rearm;
 }
 
+static struct ti_prm_platform_data ti_prm_pdata = {
+	.clkdm_deny_idle = clkdm_deny_idle,
+	.clkdm_allow_idle = clkdm_allow_idle,
+	.clkdm_lookup = clkdm_lookup,
+};
+
 /*
  * GPIOs for TWL are initialized by the I2C bus and need custom
  * handing until DSS has device tree bindings.
@@ -514,6 +521,7 @@ static struct of_dev_auxdata omap_auxdata_lookup[] = {
 	/* Common auxdata */
 	OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
 	OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
+	OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
 	{ /* sentinel */ },
 };
 
-- 
2.20.1

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