From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/scsi/imm.c | 40 +++++++++++++++++++---------------------
1 files changed, 19 insertions(+), 21 deletions(-)
diff --git a/kernel/drivers/scsi/imm.c b/kernel/drivers/scsi/imm.c
index 8c6627b..862d35a 100644
--- a/kernel/drivers/scsi/imm.c
+++ b/kernel/drivers/scsi/imm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* imm.c -- low level driver for the IOMEGA MatchMaker
* parallel port SCSI host adapter.
*
@@ -686,7 +687,7 @@
if (cmd->SCp.buffer && !cmd->SCp.this_residual) {
/* if scatter/gather, advance to the next segment */
if (cmd->SCp.buffers_residual--) {
- cmd->SCp.buffer++;
+ cmd->SCp.buffer = sg_next(cmd->SCp.buffer);
cmd->SCp.this_residual =
cmd->SCp.buffer->length;
cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
@@ -796,21 +797,21 @@
return 0;
}
return 1; /* wait until imm_wakeup claims parport */
- /* Phase 1 - Connected */
- case 1:
+
+ case 1: /* Phase 1 - Connected */
imm_connect(dev, CONNECT_EPP_MAYBE);
cmd->SCp.phase++;
+ fallthrough;
- /* Phase 2 - We are now talking to the scsi bus */
- case 2:
+ case 2: /* Phase 2 - We are now talking to the scsi bus */
if (!imm_select(dev, scmd_id(cmd))) {
imm_fail(dev, DID_NO_CONNECT);
return 0;
}
cmd->SCp.phase++;
+ fallthrough;
- /* Phase 3 - Ready to accept a command */
- case 3:
+ case 3: /* Phase 3 - Ready to accept a command */
w_ctr(ppb, 0x0c);
if (!(r_str(ppb) & 0x80))
return 1;
@@ -818,9 +819,9 @@
if (!imm_send_command(cmd))
return 0;
cmd->SCp.phase++;
+ fallthrough;
- /* Phase 4 - Setup scatter/gather buffers */
- case 4:
+ case 4: /* Phase 4 - Setup scatter/gather buffers */
if (scsi_bufflen(cmd)) {
cmd->SCp.buffer = scsi_sglist(cmd);
cmd->SCp.this_residual = cmd->SCp.buffer->length;
@@ -834,8 +835,9 @@
cmd->SCp.phase++;
if (cmd->SCp.this_residual & 0x01)
cmd->SCp.this_residual++;
- /* Phase 5 - Pre-Data transfer stage */
- case 5:
+ fallthrough;
+
+ case 5: /* Phase 5 - Pre-Data transfer stage */
/* Spin lock for BUSY */
w_ctr(ppb, 0x0c);
if (!(r_str(ppb) & 0x80))
@@ -850,9 +852,9 @@
if (imm_negotiate(dev))
return 0;
cmd->SCp.phase++;
+ fallthrough;
- /* Phase 6 - Data transfer stage */
- case 6:
+ case 6: /* Phase 6 - Data transfer stage */
/* Spin lock for BUSY */
w_ctr(ppb, 0x0c);
if (!(r_str(ppb) & 0x80))
@@ -866,9 +868,9 @@
return 1;
}
cmd->SCp.phase++;
+ fallthrough;
- /* Phase 7 - Post data transfer stage */
- case 7:
+ case 7: /* Phase 7 - Post data transfer stage */
if ((dev->dp) && (dev->rd)) {
if ((dev->mode == IMM_NIBBLE) || (dev->mode == IMM_PS2)) {
w_ctr(ppb, 0x4);
@@ -878,9 +880,9 @@
}
}
cmd->SCp.phase++;
+ fallthrough;
- /* Phase 8 - Read status/message */
- case 8:
+ case 8: /* Phase 8 - Read status/message */
/* Check for data overrun */
if (imm_wait(dev) != (unsigned char) 0xb8) {
imm_fail(dev, DID_ERROR);
@@ -901,7 +903,6 @@
w_ctr(ppb, 0x4);
}
return 0; /* Finished */
- break;
default:
printk("imm: Invalid scsi phase\n");
@@ -967,10 +968,8 @@
case 1: /* Have not connected to interface */
dev->cur_cmd = NULL; /* Forget the problem */
return SUCCESS;
- break;
default: /* SCSI command sent, can not abort */
return FAILED;
- break;
}
}
@@ -1110,7 +1109,6 @@
.bios_param = imm_biosparam,
.this_id = 7,
.sg_tablesize = SG_ALL,
- .use_clustering = ENABLE_CLUSTERING,
.can_queue = 1,
.slave_alloc = imm_adjust_queue,
};
--
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