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    Subject[PATCH 1/3] firmware: google: Release devices before unregistering the bus
    Date
    From: Patrick Rudolph <patrick.rudolph@9elements.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@9elements.com>
    ---
    drivers/firmware/google/coreboot_table.c | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c
    index 8d132e4f008a..88c6545bebf4 100644
    --- a/drivers/firmware/google/coreboot_table.c
    +++ b/drivers/firmware/google/coreboot_table.c
    @@ -163,8 +163,14 @@ static int coreboot_table_probe(struct platform_device *pdev)
    return ret;
    }

    +static int __cb_dev_unregister(struct device *dev, void *dummy)
    +{
    + device_unregister(dev);
    +}
    +
    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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