linux-kernel - [PATCH 5.17 070/225] soc: imx: imx8m-blk-ctrl: Fix IMX8MN_DISPBLK_PD

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Message-Id: <20220504153117.783718798@linuxfoundation.org>
Date:   Wed,  4 May 2022 18:45:08 +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, Adam Ford <aford173@...il.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.17 070/225] soc: imx: imx8m-blk-ctrl: Fix IMX8MN_DISPBLK_PD_ISI hang

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

[ Upstream commit e2aa165cd0163cef83cb295eb572aa9fb1604cf4 ]

The imx8mn clock list for the ISI lists four clocks, but DOMAIN_MAX_CLKS
was set to 3.  Because of this, attempts to enable the fourth clock failed,
threw some splat, and ultimately hung.

Fixes: 7f511d514e8c ("soc: imx: imx8m-blk-ctrl: add i.MX8MN DISP blk-ctrl")
Signed-off-by: Adam Ford <aford173@...il.com>
Reviewed-by: Lucas Stach <l.stach@...gutronix.de>
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/soc/imx/imx8m-blk-ctrl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/imx/imx8m-blk-ctrl.c b/drivers/soc/imx/imx8m-blk-ctrl.c
index 511e74f0db8a..e096cca9f18a 100644
--- a/drivers/soc/imx/imx8m-blk-ctrl.c
+++ b/drivers/soc/imx/imx8m-blk-ctrl.c
@@ -49,7 +49,7 @@ struct imx8m_blk_ctrl_domain_data {
 	u32 mipi_phy_rst_mask;
 };
 
-#define DOMAIN_MAX_CLKS 3
+#define DOMAIN_MAX_CLKS 4
 
 struct imx8m_blk_ctrl_domain {
 	struct generic_pm_domain genpd;
-- 
2.35.1