leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

firmware: vpd: remove platform driver

Browse Source 
There is no reason why VPD should register platform device and driver,
given that we do not use their respective kobjects to attach attributes,
nor do we need suspend/resume hooks, or any other features of device
core.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Torokhov 2017-05-23 17:07:47 -07:00 committed by Greg Kroah-Hartman
parent dd246486f9
commit 7975bd4cca
1 changed files with 16 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/firmware/google/vpd.c
View File

@ -22,8 +22,6 @@
#include <linux/kobject.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
@ -279,47 +277,37 @@ static int vpd_sections_init(phys_addr_t physaddr)
ret = vpd_section_init("rw", &rw_vpd,
physaddr + sizeof(struct vpd_cbmem) +
header.ro_size, header.rw_size);
if (ret)
if (ret) {
vpd_section_destroy(&ro_vpd);
return ret;
}
}
return 0;
}
static int vpd_probe(struct platform_device *pdev)
{
int ret;
struct lb_cbmem_ref entry;
ret = coreboot_table_find(CB_TAG_VPD, &entry, sizeof(entry));
if (ret)
return ret;
return vpd_sections_init(entry.cbmem_addr);
}
static struct platform_driver vpd_driver = {
.probe = vpd_probe,
.driver = {
.name = "vpd",
},
};
static int __init vpd_platform_init(void)
{
struct platform_device *pdev;
pdev = platform_device_register_simple("vpd", -1, NULL, 0);
if (IS_ERR(pdev))
return PTR_ERR(pdev);
struct lb_cbmem_ref entry;
int err;
vpd_kobj = kobject_create_and_add("vpd", firmware_kobj);
if (!vpd_kobj)
return -ENOMEM;
platform_driver_register(&vpd_driver);
err = coreboot_table_find(CB_TAG_VPD, &entry, sizeof(entry));
if (err)
goto err_kobject_put;
err = vpd_sections_init(entry.cbmem_addr);
if (err)
goto err_kobject_put;
return 0;
err_kobject_put:
kobject_put(vpd_kobj);
return err;
}
static void __exit vpd_platform_exit(void)