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Commit 4f1b461d authored by Colin Ian King's avatar Colin Ian King Committed by Dmitry Torokhov
Browse files

Input: elantech - make arrays debounce_packet static, reduces object code size 



Don't populate the arrays debounce_packet on the stack, instead make
them static.  Makes the object code smaller by over 870 bytes:

Before:
   text	   data	    bss	    dec	    hex	filename
  30553	   9152	      0	  39705	   9b19	drivers/input/mouse/elantech.o

After:
   text	   data	    bss	    dec	    hex	filename
  29521	   9312	      0	  38833	   97b1	drivers/input/mouse/elantech.o

Signed-off-by: default avatarColin Ian King <colin.king@canonical.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 023c437a

drivers/input/mouse/elantech.c

+6 −2
Original line number Diff line number Diff line
@@ -700,7 +700,9 @@ static int elantech_debounce_check_v2(struct psmouse *psmouse) 
         * When we encounter packet that matches this exactly, it means the

         * hardware is in debounce status. Just ignore the whole packet.

         */

        const u8 debounce_packet[] = { 0x84, 0xff, 0xff, 0x02, 0xff, 0xff };

	static const u8 debounce_packet[] = {

		0x84, 0xff, 0xff, 0x02, 0xff, 0xff

	};

        unsigned char *packet = psmouse->packet;



        return !memcmp(packet, debounce_packet, sizeof(debounce_packet));
@@ -741,7 +743,9 @@ static int elantech_packet_check_v2(struct psmouse *psmouse) 
static int elantech_packet_check_v3(struct psmouse *psmouse)

{

	struct elantech_data *etd = psmouse->private;

	const u8 debounce_packet[] = { 0xc4, 0xff, 0xff, 0x02, 0xff, 0xff };

	static const u8 debounce_packet[] = {

		0xc4, 0xff, 0xff, 0x02, 0xff, 0xff

	};

	unsigned char *packet = psmouse->packet;



	/*