提交 e8c84f9a 编写于 作者: J Jiri Slaby 提交者: Jiri Kosina

modpost: add support for hid

Generate aliases for hid device modules to support autoloading.
Signed-off-by: NJiri Slaby <jirislaby@gmail.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>
上级 7591103c
......@@ -67,6 +67,7 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/mod_devicetable.h> /* hid_device_id */
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/input.h>
......
......@@ -131,6 +131,16 @@ struct usb_device_id {
#define USB_DEVICE_ID_MATCH_INT_SUBCLASS 0x0100
#define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200
#define HID_ANY_ID (~0)
struct hid_device_id {
__u16 bus;
__u32 vendor;
__u32 product;
kernel_ulong_t driver_data
__attribute__((aligned(sizeof(kernel_ulong_t))));
};
/* s390 CCW devices */
struct ccw_device_id {
__u16 match_flags; /* which fields to match against */
......
......@@ -206,6 +206,20 @@ static void do_usb_table(void *symval, unsigned long size,
do_usb_entry_multi(symval + i, mod);
}
/* Looks like: hid:bNvNpN */
static int do_hid_entry(const char *filename,
struct hid_device_id *id, char *alias)
{
id->vendor = TO_NATIVE(id->vendor);
id->product = TO_NATIVE(id->product);
sprintf(alias, "hid:b%04X", id->bus);
ADD(alias, "v", id->vendor != HID_ANY_ID, id->vendor);
ADD(alias, "p", id->product != HID_ANY_ID, id->product);
return 1;
}
/* Looks like: ieee1394:venNmoNspNverN */
static int do_ieee1394_entry(const char *filename,
struct ieee1394_device_id *id, char *alias)
......@@ -745,6 +759,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
else if (sym_is(symname, "__mod_usb_device_table"))
/* special case to handle bcdDevice ranges */
do_usb_table(symval, sym->st_size, mod);
else if (sym_is(symname, "__mod_hid_device_table"))
do_table(symval, sym->st_size,
sizeof(struct hid_device_id), "hid",
do_hid_entry, mod);
else if (sym_is(symname, "__mod_ieee1394_device_table"))
do_table(symval, sym->st_size,
sizeof(struct ieee1394_device_id), "ieee1394",
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册