linux-kernel - [PATCH 5.2 030/124] ARM: OMAP2+: Fix missing SYSC_HAS_RESET

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Date:   Fri, 20 Sep 2019 00:01:58 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Suman Anna <s-anna@...com>,
        Keerthy <j-keerthy@...com>, Tony Lindgren <tony@...mide.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.2 030/124] ARM: OMAP2+: Fix missing SYSC_HAS_RESET_STATUS for dra7 epwmss

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

[ Upstream commit afd58b162e48076e3fe66d08a69eefbd6fe71643 ]

TRM says PWMSS_SYSCONFIG bit for SOFTRESET changes to zero when
reset is completed. Let's configure it as otherwise we get warnings
on boot when we check the data against dts provided data. Eventually
the legacy platform data will be just dropped, but let's fix the
warning first.

Reviewed-by: Suman Anna <s-anna@...com>
Tested-by: Keerthy <j-keerthy@...com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
index 4a5b4aee6615a..1ec21e9ba1e99 100644
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -379,7 +379,8 @@ static struct omap_hwmod dra7xx_dcan2_hwmod = {
 static struct omap_hwmod_class_sysconfig dra7xx_epwmss_sysc = {
 	.rev_offs	= 0x0,
 	.sysc_offs	= 0x4,
-	.sysc_flags	= SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET,
+	.sysc_flags	= SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
+			  SYSC_HAS_RESET_STATUS,
 	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
 	.sysc_fields	= &omap_hwmod_sysc_type2,
 };
-- 
2.20.1