From: Patrick Rudolph patrick.rudolph@9elements.com
[ Upstream commit cae0970ee9c4527f189aac378c50e2f0ed020418 ]
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@9elements.com Link: https://lore.kernel.org/r/20191118101934.22526-2-patrick.rudolph@9elements.c... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Stable-dep-of: 65946690ed8d ("firmware: coreboot: Register bus in module init") Signed-off-by: Sasha Levin sashal@kernel.org --- 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; }