macintosh/adb-iop: Remove dead and redundant code

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/7720ffb559c334504e16b24d9c2f3b8973d2d674.1590880623.git.fthain@telegraphics.com.au
This commit is contained in:
Finn Thain 2020-05-31 09:17:03 +10:00 committed by Michael Ellerman
parent 65156f2b1d
commit 8384c82ab0

View File

@ -18,24 +18,16 @@
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/mac_iop.h>
#include <asm/mac_oss.h>
#include <asm/adb_iop.h>
#include <linux/adb.h>
/*#define DEBUG_ADB_IOP*/
static struct adb_request *current_req;
static struct adb_request *last_req;
#if 0
static unsigned char reply_buff[16];
static unsigned char *reply_ptr;
#endif
static enum adb_iop_state {
idle,
@ -104,22 +96,11 @@ static void adb_iop_listen(struct iop_msg *msg)
struct adb_iopmsg *amsg = (struct adb_iopmsg *)msg->message;
struct adb_request *req;
unsigned long flags;
#ifdef DEBUG_ADB_IOP
int i;
#endif
local_irq_save(flags);
req = current_req;
#ifdef DEBUG_ADB_IOP
printk("adb_iop_listen %p: rcvd packet, %d bytes: %02X %02X", req,
(uint)amsg->count + 2, (uint)amsg->flags, (uint)amsg->cmd);
for (i = 0; i < amsg->count; i++)
printk(" %02X", (uint)amsg->data[i]);
printk("\n");
#endif
/* Handle a timeout. Timeout packets seem to occur even after */
/* we've gotten a valid reply to a TALK, so I'm assuming that */
/* a "timeout" is actually more like an "end-of-data" signal. */
@ -163,9 +144,6 @@ static void adb_iop_start(void)
unsigned long flags;
struct adb_request *req;
struct adb_iopmsg amsg;
#ifdef DEBUG_ADB_IOP
int i;
#endif
/* get the packet to send */
req = current_req;
@ -174,13 +152,6 @@ static void adb_iop_start(void)
local_irq_save(flags);
#ifdef DEBUG_ADB_IOP
printk("adb_iop_start %p: sending packet, %d bytes:", req, req->nbytes);
for (i = 0; i < req->nbytes; i++)
printk(" %02X", (uint)req->data[i]);
printk("\n");
#endif
/* The IOP takes MacII-style packets, so */
/* strip the initial ADB_PACKET byte. */