linux-kernel - [PATCH] soc: imx: gpcv2: keep i.MX8MM VPU-H1 bus clock active

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Message-Id: <20211120193916.1309236-1-aford173@gmail.com>
Date:   Sat, 20 Nov 2021 13:39:16 -0600
From:   Adam Ford <aford173@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     tharvey@...eworks.com, aford@...conembedded.com,
        Adam Ford <aford173@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Peng Fan <peng.fan@....com>, linux-kernel@...r.kernel.org
Subject: [PATCH] soc: imx: gpcv2: keep i.MX8MM VPU-H1 bus clock active

Enable the vpu-h1 clock when the domain is active because reading
or writing to the VPU-H1 IP block cause the system to hang.

Fixes: 656ade7aa42a ("soc: imx: gpcv2: keep i.MX8M* bus clocks enabled")
Signed-off-by: Adam Ford <aford173@...il.com>

diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
index b8d52d8d29db..7b6dfa33dcb9 100644
--- a/drivers/soc/imx/gpcv2.c
+++ b/drivers/soc/imx/gpcv2.c
@@ -734,6 +734,7 @@ static const struct imx_pgc_domain imx8mm_pgc_domains[] = {
 			.map = IMX8MM_VPUH1_A53_DOMAIN,
 		},
 		.pgc   = BIT(IMX8MM_PGC_VPUH1),
+		.keep_clocks = true,
 	},
 
 	[IMX8MM_POWER_DOMAIN_DISPMIX] = {
-- 
2.32.0