linux-kernel - [PATCH AUTOSEL 4.19 23/36] platform/x86: pmc_atom: Add several Beckhoff Automation boards to critclk

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Message-Id: <20190604232333.7185-23-sashal@kernel.org>
Date:   Tue,  4 Jun 2019 19:23:18 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Steffen Dirkwinkel <s.dirkwinkel@...khoff.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Sasha Levin <sashal@...nel.org>,
        platform-driver-x86@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 23/36] platform/x86: pmc_atom: Add several Beckhoff Automation boards to critclk_systems DMI table

From: Steffen Dirkwinkel <s.dirkwinkel@...khoff.com>

[ Upstream commit d6423bd03031c020121da26c41a26bd5cc6d0da3 ]

There are several Beckhoff Automation industrial PC boards which use
pmc_plt_clk* clocks for ethernet controllers. This adds affected boards
to critclk_systems DMI table so the clocks are marked as CLK_CRITICAL and
not turned off.

Fixes: 648e921888ad ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL")
Signed-off-by: Steffen Dirkwinkel <s.dirkwinkel@...khoff.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/platform/x86/pmc_atom.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c
index a311f48ce7c9..b1d804376237 100644
--- a/drivers/platform/x86/pmc_atom.c
+++ b/drivers/platform/x86/pmc_atom.c
@@ -413,6 +413,30 @@ static const struct dmi_system_id critclk_systems[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "3I380D"),
 		},
 	},
+	{
+		/* pmc_plt_clk* - are used for ethernet controllers */
+		.ident = "Beckhoff CB3163",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"),
+			DMI_MATCH(DMI_BOARD_NAME, "CB3163"),
+		},
+	},
+	{
+		/* pmc_plt_clk* - are used for ethernet controllers */
+		.ident = "Beckhoff CB6263",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"),
+			DMI_MATCH(DMI_BOARD_NAME, "CB6263"),
+		},
+	},
+	{
+		/* pmc_plt_clk* - are used for ethernet controllers */
+		.ident = "Beckhoff CB6363",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"),
+			DMI_MATCH(DMI_BOARD_NAME, "CB6363"),
+		},
+	},
 	{ /*sentinel*/ }
 };
 
-- 
2.20.1