From 2799324d92a64f95b05d262cb8838e2bff05b1de Mon Sep 17 00:00:00 2001
From: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Date: Fri, 24 Mar 2023 17:55:57 +0300
Subject: [PATCH] firmware: meson_sm: populate platform devices from sm device
tree data
[ Upstream commit e45f243409db98d610248c843b25435e7fb0baf3 ]
In some meson boards, secure monitor device has children, for example,
power secure controller. By default, secure monitor isn't the bus in terms
of device tree subsystem, so the of_platform initialization code doesn't
populate its device tree data. As a result, secure monitor's children
aren't probed at all.
Run the 'of_platform_populate()' routine manually to resolve such issues.
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20230324145557.27797-1-ddrokosov@sberdevices.ru
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Stable-dep-of: d8385d7433f9 ("firmware: meson-sm: unmap out_base shmem in error path")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/firmware/meson/meson_sm.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c
index ed27ff2e503e..7dff8833132d 100644
--- a/drivers/firmware/meson/meson_sm.c
+++ b/drivers/firmware/meson/meson_sm.c
@@ -313,11 +313,14 @@ static int __init meson_sm_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, fw);
- pr_info("secure-monitor enabled\n");
+ if (devm_of_platform_populate(dev))
+ goto out_in_base;
if (sysfs_create_group(&pdev->dev.kobj, &meson_sm_sysfs_attr_group))
goto out_in_base;
+ pr_info("secure-monitor enabled\n");
+
return 0;
out_in_base: