Commit 325b70c2 authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
Browse files

USB: fix endianness in mos7720 



there's code unclean w.r.t. endianness in the mos7720 driver.

Signed-off-by: default avatarOliver Neukum <oneukum@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 1b55fa2d

drivers/usb/serial/mos7720.c

+9 −10
Original line number Diff line number Diff line
@@ -103,11 +103,9 @@ static void mos7720_interrupt_callback(struct urb *urb) 
{

	int result;

	int length;

	__u32 *data;

	unsigned int status;

	__u8 *data;

	__u8 sp1;

	__u8 sp2;

	__u8 st;



	dbg("%s"," : Entering\n");
@@ -141,18 +139,19 @@ static void mos7720_interrupt_callback(struct urb *urb) 
	 * Byte 2 IIR Port 2 (port.number is 1)

	 * Byte 3 --------------

	 * Byte 4 FIFO status for both */

	if (length && length > 4) {



	/* the above description is inverted

	 * 	oneukum 2007-03-14 */



	if (unlikely(length != 4)) {

		dbg("Wrong data !!!");

		return;

	}



	status = *data;



	sp1 = (status & 0xff000000)>>24;

	sp2 = (status & 0x00ff0000)>>16;

	st = status & 0x000000ff;

	sp1 = data[3];

	sp2 = data[2];



	if ((sp1 & 0x01) || (sp2 & 0x01)) {

	if ((sp1 | sp2) & 0x01) {

		/* No Interrupt Pending in both the ports */

		dbg("No Interrupt !!!");

	} else {