linux-kernel - [PATCH 5.16 0166/1039] soc: imx: gpcv2: keep i.MX8MM VPU-H1 bus clock active

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Date:   Mon, 24 Jan 2022 19:32:35 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Adam Ford <aford173@...il.com>,
        Fabio Estevam <festevam@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.16 0166/1039] soc: imx: gpcv2: keep i.MX8MM VPU-H1 bus clock active

From: Adam Ford <aford173@...il.com>

[ Upstream commit 8361b8b29f9389084b679db854cf733375c64763 ]

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>
Reviewed-by: Fabio Estevam <festevam@...il.com>
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/soc/imx/gpcv2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
index b8d52d8d29dbb..7b6dfa33dcb9f 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] = {
-- 
2.34.1