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firmware: google: make coreboot driver's remove callback return void

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All coreboot drivers return 0 unconditionally in their remove callback.
Also the device core ignores the return value of the struct
bus_type::remove(), so make the coreboot remove callback return void
instead of giving driver authors the illusion they could return an error
code here.

All drivers are adapted accordingly.

Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Link: https://lore.kernel.org/r/20210126215339.706021-1-uwe@kleine-koenig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Uwe Kleine-König 2021-01-26 22:53:39 +01:00 committed by Greg Kroah-Hartman
parent 1077d4367a
commit 5f68053279
5 changed files with 6 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/firmware/google/coreboot_table.c
View File

@ -46,14 +46,13 @@ static int coreboot_bus_probe(struct device *dev)
static int coreboot_bus_remove(struct device *dev)
{
int ret = 0;
struct coreboot_device *device = CB_DEV(dev);
struct coreboot_driver *driver = CB_DRV(dev->driver);
if (driver->remove)
ret = driver->remove(device);
driver->remove(device);
return ret;
return 0;
}
static struct bus_type coreboot_bus_type = {

2
drivers/firmware/google/coreboot_table.h
View File

@ -72,7 +72,7 @@ struct coreboot_device {
/* A driver for handling devices described in coreboot tables. */
struct coreboot_driver {
int (*probe)(struct coreboot_device *);
int (*remove)(struct coreboot_device *);
void (*remove)(struct coreboot_device *);
struct device_driver drv;
u32 tag;
};

4
drivers/firmware/google/framebuffer-coreboot.c
View File

@ -72,13 +72,11 @@ static int framebuffer_probe(struct coreboot_device *dev)
return PTR_ERR_OR_ZERO(pdev);
}
static int framebuffer_remove(struct coreboot_device *dev)
static void framebuffer_remove(struct coreboot_device *dev)
{
struct platform_device *pdev = dev_get_drvdata(&dev->dev);
platform_device_unregister(pdev);
return 0;
}
static struct coreboot_driver framebuffer_driver = {

4
drivers/firmware/google/memconsole-coreboot.c
View File

@ -91,11 +91,9 @@ static int memconsole_probe(struct coreboot_device *dev)
return memconsole_sysfs_init();
}
static int memconsole_remove(struct coreboot_device *dev)
static void memconsole_remove(struct coreboot_device *dev)
{
memconsole_exit();
return 0;
}
static struct coreboot_driver memconsole_driver = {

4
drivers/firmware/google/vpd.c
View File

@ -298,14 +298,12 @@ static int vpd_probe(struct coreboot_device *dev)
return 0;
}
static int vpd_remove(struct coreboot_device *dev)
static void vpd_remove(struct coreboot_device *dev)
{
vpd_section_destroy(&ro_vpd);
vpd_section_destroy(&rw_vpd);
kobject_put(vpd_kobj);
return 0;
}
static struct coreboot_driver vpd_driver = {