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Message-Id: <20191118083903.19311-1-patrick.rudolph@9elements.com>
Date: Mon, 18 Nov 2019 09:38:58 +0100
From: patrick.rudolph@...ements.com
To: linux-kernel@...r.kernel.org
Cc: coreboot@...eboot.org,
Patrick Rudolph <patrick.rudolph@...ements.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Alexios Zavras <alexios.zavras@...el.com>,
Allison Randal <allison@...utok.net>,
Thomas Gleixner <tglx@...utronix.de>,
Arthur Heymans <arthur@...ymans.xyz>
Subject: [Patch v2 1/3] firmware: google: Release devices before unregistering the bus
From: Patrick Rudolph <patrick.rudolph@...ements.com>
Fix a bug where the kernel module can't be loaded after it has been
unloaded as the devices are still present and conflicting with the
to be created coreboot devices.
Signed-off-by: Patrick Rudolph <patrick.rudolph@...ements.com>
---
drivers/firmware/google/coreboot_table.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c
index 8d132e4f008a..0205987a4fd4 100644
--- a/drivers/firmware/google/coreboot_table.c
+++ b/drivers/firmware/google/coreboot_table.c
@@ -163,8 +163,15 @@ static int coreboot_table_probe(struct platform_device *pdev)
return ret;
}
+static int __cb_dev_unregister(struct device *dev, void *dummy)
+{
+ device_unregister(dev);
+ return 0;
+}
+
static int coreboot_table_remove(struct platform_device *pdev)
{
+ bus_for_each_dev(&coreboot_bus_type, NULL, NULL, __cb_dev_unregister);
bus_unregister(&coreboot_bus_type);
return 0;
}
--
2.21.0
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