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MLK-24795-3: mic: vop: module autoprobing support for vop drivers 

Add vop support to MODULE_DEVICE_TABLE() by adding info about struct
vop_device_id in devicetable-offsets.c and add a vop entry point in
file2alias.c.

The type argument for MODULE_DEVICE_TABLE(type, name) is vop.

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Fugang Duan <fugang.duan@nxp.com>
This commit is contained in:
Sherry Sun 2020-09-11 14:39:41 +08:00
parent 0b77905613
commit f7349db6e9
4 changed files with 28 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/misc/mic/bus/vop_bus.h
View File

@ -14,16 +14,11 @@
*/
#include <linux/dmaengine.h>
#include <linux/interrupt.h>
#include <linux/mod_devicetable.h>
#include "../common/mic_dev.h"
struct vop_device_id {
u32 device;
u32 vendor;
};
#define VOP_DEV_TRNSP 1
#define VOP_DEV_ANY_ID 0xffffffff
/*
* Size of the internal buffer used during DMA's as an intermediate buffer
* for copy to/from user. Must be an integral number of pages.

7
include/linux/mod_devicetable.h
View File

@ -827,4 +827,11 @@ struct wmi_device_id {
const void *context;
};
/* vop */
struct vop_device_id {
__u32 device;
__u32 vendor;
};
#define VOP_DEV_ANY_ID 0xffffffff
#endif /* LINUX_MOD_DEVICETABLE_H */

4
scripts/mod/devicetable-offsets.c
View File

@ -231,5 +231,9 @@ int main(void)
DEVID(wmi_device_id);
DEVID_FIELD(wmi_device_id, guid_string);
DEVID(vop_device_id);
DEVID_FIELD(vop_device_id, device);
DEVID_FIELD(vop_device_id, vendor);
return 0;
}

16
scripts/mod/file2alias.c
View File

@ -1335,6 +1335,21 @@ static int do_wmi_entry(const char *filename, void *symval, char *alias)
return 1;
}
/* Looks like: vop:dNvN */
static int do_vop_entry(const char *filename, void *symval,
char *alias)
{
DEF_FIELD(symval, vop_device_id, device);
DEF_FIELD(symval, vop_device_id, vendor);
strcpy(alias, "vop:");
ADD(alias, "d", device != VOP_DEV_ANY_ID, device);
ADD(alias, "v", vendor != VOP_DEV_ANY_ID, vendor);
add_wildcard(alias);
return 1;
}
/* Does namelen bytes of name exactly match the symbol? */
static bool sym_is(const char *name, unsigned namelen, const char *symbol)
{
@ -1407,6 +1422,7 @@ static const struct devtable devtable[] = {
{"typec", SIZE_typec_device_id, do_typec_entry},
{"tee", SIZE_tee_client_device_id, do_tee_entry},
{"wmi", SIZE_wmi_device_id, do_wmi_entry},
{"vop", SIZE_vop_device_id, do_vop_entry},
};
/* Create MODULE_ALIAS() statements.