linux-kernel - [PATCH v1 1/5] ARM: mach-imx6q: do not select enet PTP clock source on QuadPlus

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sun, 12 Jul 2020 20:25:08 -0400
From:   Sven Van Asbroeck <thesven73@...il.com>
To:     shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org
Subject: [PATCH v1 1/5] ARM: mach-imx6q: do not select enet PTP clock source on QuadPlus

On QuadPlus, the enet PTP clock source is selected via the clocktree.
Therefore it should not be set in the machine layer (mach-imx6q).

Signed-off-by: Sven Van Asbroeck <TheSven73@...il.com>
---

Tree: v5.8-rc4

To: Shawn Guo <shawnguo@...nel.org>
To: Sascha Hauer <s.hauer@...gutronix.de>
Cc: Pengutronix Kernel Team <kernel@...gutronix.de>
Cc: Fabio Estevam <festevam@...il.com>
Cc: NXP Linux Team <linux-imx@....com>
Cc: linux-kernel@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-clk@...r.kernel.org

 arch/arm/mach-imx/mach-imx6q.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 85c084a716ab..fcf211492f6f 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -169,6 +169,10 @@ static void __init imx6q_1588_init(void)
 	struct regmap *gpr;
 	u32 clksel;
 
+	/* QuadPlus selects PTP clock source via clocktree */
+	if (of_machine_is_compatible("fsl,imx6qp"))
+		return;
+
 	np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-fec");
 	if (!np) {
 		pr_warn("%s: failed to find fec node\n", __func__);
-- 
2.17.1