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Commit a5f04b9d authored by Benjamin Tissoires's avatar Benjamin Tissoires Committed by Jiri Kosina
Browse files

HID: debug: break out hid_dump_report() into hid-debug 



No semantic changes, but hid_dump_report should be in hid-debug.c, not
in hid-core.c

Signed-off-by: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 014642cb

drivers/hid/hid-core.c

+2 −23
Original line number Diff line number Diff line
@@ -1260,8 +1260,6 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i 
	struct hid_report_enum *report_enum;

	struct hid_driver *hdrv;

	struct hid_report *report;

	char *buf;

	unsigned int i;

	int ret = 0;



	if (!hid)
@@ -1284,28 +1282,9 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i 
	}



	/* Avoid unnecessary overhead if debugfs is disabled */

	if (list_empty(&hid->debug_list))

		goto nomem;



	buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);



	if (!buf)

		goto nomem;



	/* dump the report */

	snprintf(buf, HID_DEBUG_BUFSIZE - 1,

			"\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");

	hid_debug_event(hid, buf);



	for (i = 0; i < size; i++) {

		snprintf(buf, HID_DEBUG_BUFSIZE - 1,

				" %02x", data[i]);

		hid_debug_event(hid, buf);

	}

	hid_debug_event(hid, "\n");

	kfree(buf);

	if (!list_empty(&hid->debug_list))

		hid_dump_report(hid, type, data, size);



nomem:

	report = hid_get_report(report_enum, data);



	if (!report) {

drivers/hid/hid-debug.c

+30 −0
Original line number Diff line number Diff line
@@ -591,6 +591,36 @@ void hid_debug_event(struct hid_device *hdev, char *buf) 
}

EXPORT_SYMBOL_GPL(hid_debug_event);



void hid_dump_report(struct hid_device *hid, int type, u8 *data,

		int size)

{

	struct hid_report_enum *report_enum;

	char *buf;

	unsigned int i;



	buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);



	if (!buf)

		return;



	report_enum = hid->report_enum + type;



	/* dump the report */

	snprintf(buf, HID_DEBUG_BUFSIZE - 1,

			"\nreport (size %u) (%snumbered) = ", size,

			report_enum->numbered ? "" : "un");

	hid_debug_event(hid, buf);



	for (i = 0; i < size; i++) {

		snprintf(buf, HID_DEBUG_BUFSIZE - 1,

				" %02x", data[i]);

		hid_debug_event(hid, buf);

	}

	hid_debug_event(hid, "\n");

	kfree(buf);

}

EXPORT_SYMBOL_GPL(hid_dump_report);



void hid_dump_input(struct hid_device *hdev, struct hid_usage *usage, __s32 value)

{

	char *buf;

include/linux/hid-debug.h

+4 −2
Original line number Diff line number Diff line
@@ -22,11 +22,12 @@ 
 *

 */



#define HID_DEBUG_BUFSIZE 512



#ifdef CONFIG_DEBUG_FS



#define HID_DEBUG_BUFSIZE 512



void hid_dump_input(struct hid_device *, struct hid_usage *, __s32);

void hid_dump_report(struct hid_device *, int , u8 *, int);

void hid_dump_device(struct hid_device *, struct seq_file *);

void hid_dump_field(struct hid_field *, int, struct seq_file *);

char *hid_resolv_usage(unsigned, struct seq_file *);
@@ -50,6 +51,7 @@ struct hid_debug_list { 
#else



#define hid_dump_input(a,b,c)		do { } while (0)

#define hid_dump_report(a,b,c,d)	do { } while (0)

#define hid_dump_device(a,b)		do { } while (0)

#define hid_dump_field(a,b,c)		do { } while (0)

#define hid_resolv_usage(a,b)		do { } while (0)