summaryrefslogtreecommitdiff
path: root/drivers/scsi/53c700.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/53c700.c')
-rw-r--r--drivers/scsi/53c700.c200
1 files changed, 101 insertions, 99 deletions
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 128d658d472a..71b7ac027f48 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -1,23 +1,10 @@
-/* -*- mode: c; c-basic-offset: 8 -*- */
+// SPDX-License-Identifier: GPL-2.0-or-later
/* NCR (or Symbios) 53c700 and 53c700-66 Driver
*
* Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
**-----------------------------------------------------------------------------
**
-** This program is free software; you can redistribute it and/or modify
-** it under the terms of the GNU General Public License as published by
-** the Free Software Foundation; either version 2 of the License, or
-** (at your option) any later version.
-**
-** This program is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-** GNU General Public License for more details.
-**
-** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
-** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**
**-----------------------------------------------------------------------------
*/
@@ -128,9 +115,9 @@
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/device.h>
+#include <linux/pgtable.h>
#include <asm/dma.h>
#include <asm/io.h>
-#include <asm/pgtable.h>
#include <asm/byteorder.h>
#include <scsi/scsi.h>
@@ -171,12 +158,13 @@ STATIC int NCR_700_abort(struct scsi_cmnd * SCpnt);
STATIC int NCR_700_host_reset(struct scsi_cmnd * SCpnt);
STATIC void NCR_700_chip_setup(struct Scsi_Host *host);
STATIC void NCR_700_chip_reset(struct Scsi_Host *host);
-STATIC int NCR_700_slave_alloc(struct scsi_device *SDpnt);
-STATIC int NCR_700_slave_configure(struct scsi_device *SDpnt);
-STATIC void NCR_700_slave_destroy(struct scsi_device *SDpnt);
+STATIC int NCR_700_sdev_init(struct scsi_device *SDpnt);
+STATIC int NCR_700_sdev_configure(struct scsi_device *SDpnt,
+ struct queue_limits *lim);
+STATIC void NCR_700_sdev_destroy(struct scsi_device *SDpnt);
static int NCR_700_change_queue_depth(struct scsi_device *SDpnt, int depth);
-STATIC struct device_attribute *NCR_700_dev_attrs[];
+STATIC const struct attribute_group *NCR_700_dev_groups[];
STATIC struct scsi_transport_template *NCR_700_transport_template = NULL;
@@ -281,6 +269,27 @@ NCR_700_get_SXFER(struct scsi_device *SDp)
spi_period(SDp->sdev_target));
}
+static inline dma_addr_t virt_to_dma(struct NCR_700_Host_Parameters *h, void *p)
+{
+ return h->pScript + ((uintptr_t)p - (uintptr_t)h->script);
+}
+
+static inline void dma_sync_to_dev(struct NCR_700_Host_Parameters *h,
+ void *addr, size_t size)
+{
+ if (h->noncoherent)
+ dma_sync_single_for_device(h->dev, virt_to_dma(h, addr),
+ size, DMA_BIDIRECTIONAL);
+}
+
+static inline void dma_sync_from_dev(struct NCR_700_Host_Parameters *h,
+ void *addr, size_t size)
+{
+ if (h->noncoherent)
+ dma_sync_single_for_device(h->dev, virt_to_dma(h, addr), size,
+ DMA_BIDIRECTIONAL);
+}
+
struct Scsi_Host *
NCR_700_detect(struct scsi_host_template *tpnt,
struct NCR_700_Host_Parameters *hostdata, struct device *dev)
@@ -292,12 +301,16 @@ NCR_700_detect(struct scsi_host_template *tpnt,
static int banner = 0;
int j;
- if(tpnt->sdev_attrs == NULL)
- tpnt->sdev_attrs = NCR_700_dev_attrs;
+ if (tpnt->sdev_groups == NULL)
+ tpnt->sdev_groups = NCR_700_dev_groups;
- memory = dma_alloc_attrs(hostdata->dev, TOTAL_MEM_SIZE, &pScript,
- GFP_KERNEL, DMA_ATTR_NON_CONSISTENT);
- if(memory == NULL) {
+ memory = dma_alloc_coherent(dev, TOTAL_MEM_SIZE, &pScript, GFP_KERNEL);
+ if (!memory) {
+ hostdata->noncoherent = 1;
+ memory = dma_alloc_noncoherent(dev, TOTAL_MEM_SIZE, &pScript,
+ DMA_BIDIRECTIONAL, GFP_KERNEL);
+ }
+ if (!memory) {
printk(KERN_ERR "53c700: Failed to allocate memory for driver, detaching\n");
return NULL;
}
@@ -318,9 +331,9 @@ NCR_700_detect(struct scsi_host_template *tpnt,
tpnt->can_queue = NCR_700_COMMAND_SLOTS_PER_HOST;
tpnt->sg_tablesize = NCR_700_SG_SEGMENTS;
tpnt->cmd_per_lun = NCR_700_CMD_PER_LUN;
- tpnt->slave_configure = NCR_700_slave_configure;
- tpnt->slave_destroy = NCR_700_slave_destroy;
- tpnt->slave_alloc = NCR_700_slave_alloc;
+ tpnt->sdev_configure = NCR_700_sdev_configure;
+ tpnt->sdev_destroy = NCR_700_sdev_destroy;
+ tpnt->sdev_init = NCR_700_sdev_init;
tpnt->change_queue_depth = NCR_700_change_queue_depth;
if(tpnt->name == NULL)
@@ -351,11 +364,11 @@ NCR_700_detect(struct scsi_host_template *tpnt,
for (j = 0; j < PATCHES; j++)
script[LABELPATCHES[j]] = bS_to_host(pScript + SCRIPT[LABELPATCHES[j]]);
/* now patch up fixed addresses. */
- script_patch_32(hostdata->dev, script, MessageLocation,
+ script_patch_32(hostdata, script, MessageLocation,
pScript + MSGOUT_OFFSET);
- script_patch_32(hostdata->dev, script, StatusAddress,
+ script_patch_32(hostdata, script, StatusAddress,
pScript + STATUS_OFFSET);
- script_patch_32(hostdata->dev, script, ReceiveMsgAddress,
+ script_patch_32(hostdata, script, ReceiveMsgAddress,
pScript + MSGIN_OFFSET);
hostdata->script = script;
@@ -407,8 +420,13 @@ NCR_700_release(struct Scsi_Host *host)
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)host->hostdata[0];
- dma_free_attrs(hostdata->dev, TOTAL_MEM_SIZE, hostdata->script,
- hostdata->pScript, DMA_ATTR_NON_CONSISTENT);
+ if (hostdata->noncoherent)
+ dma_free_noncoherent(hostdata->dev, TOTAL_MEM_SIZE,
+ hostdata->script, hostdata->pScript,
+ DMA_BIDIRECTIONAL);
+ else
+ dma_free_coherent(hostdata->dev, TOTAL_MEM_SIZE,
+ hostdata->script, hostdata->pScript);
return 1;
}
@@ -617,7 +635,7 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata,
SCp->host_scribble = NULL;
SCp->result = result;
- SCp->scsi_done(SCp);
+ scsi_done(SCp);
} else {
printk(KERN_ERR "53c700: SCSI DONE HAS NULL SCp\n");
}
@@ -816,8 +834,8 @@ process_extended_message(struct Scsi_Host *host,
shost_printk(KERN_WARNING, host,
"Unexpected SDTR msg\n");
hostdata->msgout[0] = A_REJECT_MSG;
- dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE);
- script_patch_16(hostdata->dev, hostdata->script,
+ dma_sync_to_dev(hostdata, hostdata->msgout, 1);
+ script_patch_16(hostdata, hostdata->script,
MessageCount, 1);
/* SendMsgOut returns, so set up the return
* address */
@@ -829,9 +847,8 @@ process_extended_message(struct Scsi_Host *host,
printk(KERN_INFO "scsi%d: (%d:%d), Unsolicited WDTR after CMD, Rejecting\n",
host->host_no, pun, lun);
hostdata->msgout[0] = A_REJECT_MSG;
- dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE);
- script_patch_16(hostdata->dev, hostdata->script, MessageCount,
- 1);
+ dma_sync_to_dev(hostdata, hostdata->msgout, 1);
+ script_patch_16(hostdata, hostdata->script, MessageCount, 1);
resume_offset = hostdata->pScript + Ent_SendMessageWithATN;
break;
@@ -844,9 +861,8 @@ process_extended_message(struct Scsi_Host *host,
printk("\n");
/* just reject it */
hostdata->msgout[0] = A_REJECT_MSG;
- dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE);
- script_patch_16(hostdata->dev, hostdata->script, MessageCount,
- 1);
+ dma_sync_to_dev(hostdata, hostdata->msgout, 1);
+ script_patch_16(hostdata, hostdata->script, MessageCount, 1);
/* SendMsgOut returns, so set up the return
* address */
resume_offset = hostdata->pScript + Ent_SendMessageWithATN;
@@ -929,9 +945,8 @@ process_message(struct Scsi_Host *host, struct NCR_700_Host_Parameters *hostdata
printk("\n");
/* just reject it */
hostdata->msgout[0] = A_REJECT_MSG;
- dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE);
- script_patch_16(hostdata->dev, hostdata->script, MessageCount,
- 1);
+ dma_sync_to_dev(hostdata, hostdata->msgout, 1);
+ script_patch_16(hostdata, hostdata->script, MessageCount, 1);
/* SendMsgOut returns, so set up the return
* address */
resume_offset = hostdata->pScript + Ent_SendMessageWithATN;
@@ -940,7 +955,7 @@ process_message(struct Scsi_Host *host, struct NCR_700_Host_Parameters *hostdata
}
NCR_700_writel(temp, host, TEMP_REG);
/* set us up to receive another message */
- dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_FROM_DEVICE);
+ dma_sync_from_dev(hostdata, hostdata->msgin, MSG_ARRAY_SIZE);
return resume_offset;
}
@@ -964,10 +979,10 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
if (NCR_700_get_tag_neg_state(SCp->device) == NCR_700_DURING_TAG_NEGOTIATION)
NCR_700_set_tag_neg_state(SCp->device,
NCR_700_FINISHED_TAG_NEGOTIATION);
-
- /* check for contingent allegiance contitions */
- if(status_byte(hostdata->status[0]) == CHECK_CONDITION ||
- status_byte(hostdata->status[0]) == COMMAND_TERMINATED) {
+
+ /* check for contingent allegiance conditions */
+ if (hostdata->status[0] == SAM_STAT_CHECK_CONDITION ||
+ hostdata->status[0] == SAM_STAT_COMMAND_TERMINATED) {
struct NCR_700_command_slot *slot =
(struct NCR_700_command_slot *)SCp->host_scribble;
if(slot->flags == NCR_700_FLAG_AUTOSENSE) {
@@ -1020,8 +1035,8 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
slot->SG[1].ins = bS_to_host(SCRIPT_RETURN);
slot->SG[1].pAddr = 0;
slot->resume_offset = hostdata->pScript;
- dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG[0])*2, DMA_TO_DEVICE);
- dma_cache_sync(hostdata->dev, SCp->sense_buffer, SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
+ dma_sync_to_dev(hostdata, slot->SG, sizeof(slot->SG[0])*2);
+ dma_sync_from_dev(hostdata, SCp->sense_buffer, SCSI_SENSE_BUFFERSIZE);
/* queue the command for reissue */
slot->state = NCR_700_SLOT_QUEUED;
@@ -1141,11 +1156,11 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
hostdata->cmd = slot->cmnd;
/* re-patch for this command */
- script_patch_32_abs(hostdata->dev, hostdata->script,
+ script_patch_32_abs(hostdata, hostdata->script,
CommandAddress, slot->pCmd);
- script_patch_16(hostdata->dev, hostdata->script,
+ script_patch_16(hostdata, hostdata->script,
CommandCount, slot->cmnd->cmd_len);
- script_patch_32_abs(hostdata->dev, hostdata->script,
+ script_patch_32_abs(hostdata, hostdata->script,
SGScriptStartAddress,
to32bit(&slot->pSG[0].ins));
@@ -1156,14 +1171,14 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
* should therefore always clear ACK */
NCR_700_writeb(NCR_700_get_SXFER(hostdata->cmd->device),
host, SXFER_REG);
- dma_cache_sync(hostdata->dev, hostdata->msgin,
- MSG_ARRAY_SIZE, DMA_FROM_DEVICE);
- dma_cache_sync(hostdata->dev, hostdata->msgout,
- MSG_ARRAY_SIZE, DMA_TO_DEVICE);
+ dma_sync_from_dev(hostdata, hostdata->msgin,
+ MSG_ARRAY_SIZE);
+ dma_sync_to_dev(hostdata, hostdata->msgout,
+ MSG_ARRAY_SIZE);
/* I'm just being paranoid here, the command should
* already have been flushed from the cache */
- dma_cache_sync(hostdata->dev, slot->cmnd->cmnd,
- slot->cmnd->cmd_len, DMA_TO_DEVICE);
+ dma_sync_to_dev(hostdata, slot->cmnd->cmnd,
+ slot->cmnd->cmd_len);
@@ -1226,8 +1241,7 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
hostdata->reselection_id = reselection_id;
/* just in case we have a stale simple tag message, clear it */
hostdata->msgin[1] = 0;
- dma_cache_sync(hostdata->dev, hostdata->msgin,
- MSG_ARRAY_SIZE, DMA_BIDIRECTIONAL);
+ dma_sync_to_dev(hostdata, hostdata->msgin, MSG_ARRAY_SIZE);
if(hostdata->tag_negotiated & (1<<reselection_id)) {
resume_offset = hostdata->pScript + Ent_GetReselectionWithTag;
} else {
@@ -1341,8 +1355,7 @@ process_selection(struct Scsi_Host *host, __u32 dsp)
hostdata->cmd = NULL;
/* clear any stale simple tag message */
hostdata->msgin[1] = 0;
- dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE,
- DMA_BIDIRECTIONAL);
+ dma_sync_to_dev(hostdata, hostdata->msgin, MSG_ARRAY_SIZE);
if(id == 0xff) {
/* Selected as target, Ignore */
@@ -1439,30 +1452,26 @@ NCR_700_start_command(struct scsi_cmnd *SCp)
NCR_700_set_flag(SCp->device, NCR_700_DEV_BEGIN_SYNC_NEGOTIATION);
}
- script_patch_16(hostdata->dev, hostdata->script, MessageCount, count);
-
+ script_patch_16(hostdata, hostdata->script, MessageCount, count);
- script_patch_ID(hostdata->dev, hostdata->script,
- Device_ID, 1<<scmd_id(SCp));
+ script_patch_ID(hostdata, hostdata->script, Device_ID, 1<<scmd_id(SCp));
- script_patch_32_abs(hostdata->dev, hostdata->script, CommandAddress,
+ script_patch_32_abs(hostdata, hostdata->script, CommandAddress,
slot->pCmd);
- script_patch_16(hostdata->dev, hostdata->script, CommandCount,
- SCp->cmd_len);
+ script_patch_16(hostdata, hostdata->script, CommandCount, SCp->cmd_len);
/* finally plumb the beginning of the SG list into the script
* */
- script_patch_32_abs(hostdata->dev, hostdata->script,
+ script_patch_32_abs(hostdata, hostdata->script,
SGScriptStartAddress, to32bit(&slot->pSG[0].ins));
NCR_700_clear_fifo(SCp->device->host);
if(slot->resume_offset == 0)
slot->resume_offset = hostdata->pScript;
/* now perform all the writebacks and invalidates */
- dma_cache_sync(hostdata->dev, hostdata->msgout, count, DMA_TO_DEVICE);
- dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE,
- DMA_FROM_DEVICE);
- dma_cache_sync(hostdata->dev, SCp->cmnd, SCp->cmd_len, DMA_TO_DEVICE);
- dma_cache_sync(hostdata->dev, hostdata->status, 1, DMA_FROM_DEVICE);
+ dma_sync_to_dev(hostdata, hostdata->msgout, count);
+ dma_sync_from_dev(hostdata, hostdata->msgin, MSG_ARRAY_SIZE);
+ dma_sync_to_dev(hostdata, SCp->cmnd, SCp->cmd_len);
+ dma_sync_from_dev(hostdata, hostdata->status, 1);
/* set the synchronous period/offset */
NCR_700_writeb(NCR_700_get_SXFER(SCp->device),
@@ -1497,11 +1506,8 @@ NCR_700_intr(int irq, void *dev_id)
__u8 sstat0 = 0, dstat = 0;
__u32 dsp;
struct scsi_cmnd *SCp = hostdata->cmd;
- enum NCR_700_Host_State state;
handled = 1;
- state = hostdata->state;
- SCp = hostdata->cmd;
if(istat & SCSI_INT_PENDING) {
udelay(10);
@@ -1565,7 +1571,7 @@ NCR_700_intr(int irq, void *dev_id)
* deadlock on the
* hostdata->state_lock */
SCp->result = DID_RESET << 16;
- SCp->scsi_done(SCp);
+ scsi_done(SCp);
}
mdelay(25);
NCR_700_chip_setup(host);
@@ -1593,7 +1599,7 @@ NCR_700_intr(int irq, void *dev_id)
printk("scsi%d (%d:%d) PHASE MISMATCH IN SEND MESSAGE %d remain, return %p[%04x], phase %s\n", host->host_no, pun, lun, count, (void *)temp, temp - hostdata->pScript, sbcl_to_string(NCR_700_readb(host, SBCL_REG)));
#endif
resume_offset = hostdata->pScript + Ent_SendMessagePhaseMismatch;
- } else if(dsp >= to32bit(&slot->pSG[0].ins) &&
+ } else if (slot && dsp >= to32bit(&slot->pSG[0].ins) &&
dsp <= to32bit(&slot->pSG[NCR_700_SG_SEGMENTS].ins)) {
int data_transfer = NCR_700_readl(host, DBC_REG) & 0xffffff;
int SGcount = (dsp - to32bit(&slot->pSG[0].ins))/sizeof(struct NCR_700_SG_List);
@@ -1638,7 +1644,7 @@ NCR_700_intr(int irq, void *dev_id)
slot->SG[i].ins = bS_to_host(SCRIPT_NOP);
slot->SG[i].pAddr = 0;
}
- dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG), DMA_TO_DEVICE);
+ dma_sync_to_dev(hostdata, slot->SG, sizeof(slot->SG));
/* and pretend we disconnected after
* the command phase */
resume_offset = hostdata->pScript + Ent_MsgInDuringData;
@@ -1745,13 +1751,11 @@ NCR_700_intr(int irq, void *dev_id)
return IRQ_RETVAL(handled);
}
-static int
-NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *))
+static int NCR_700_queuecommand_lck(struct scsi_cmnd *SCp)
{
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)SCp->device->host->hostdata[0];
__u32 move_ins;
- enum dma_data_direction direction;
struct NCR_700_command_slot *slot;
if(hostdata->command_slot_count >= NCR_700_COMMAND_SLOTS_PER_HOST) {
@@ -1787,10 +1791,7 @@ NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)
slot->cmnd = SCp;
- SCp->scsi_done = done;
SCp->host_scribble = (unsigned char *)slot;
- SCp->SCp.ptr = NULL;
- SCp->SCp.buffer = NULL;
#ifdef NCR_700_DEBUG
printk("53c700: scsi%d, command ", SCp->device->host->host_no);
@@ -1818,7 +1819,7 @@ NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)
if ((hostdata->tag_negotiated & (1<<scmd_id(SCp))) &&
SCp->device->simple_tags) {
- slot->tag = SCp->request->tag;
+ slot->tag = scsi_cmd_to_rq(SCp)->tag;
CDEBUG(KERN_DEBUG, SCp, "sending out tag %d, slot %p\n",
slot->tag, slot);
} else {
@@ -1844,7 +1845,7 @@ NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)
case REQUEST_SENSE:
/* clear the internal sense magic */
SCp->cmnd[6] = 0;
- /* fall through */
+ fallthrough;
default:
/* OK, get it from the command */
switch(SCp->sc_data_direction) {
@@ -1868,7 +1869,6 @@ NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)
}
/* now build the scatter gather list */
- direction = SCp->sc_data_direction;
if(move_ins != 0) {
int i;
int sg_count;
@@ -1890,7 +1890,7 @@ NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)
}
slot->SG[i].ins = bS_to_host(SCRIPT_RETURN);
slot->SG[i].pAddr = 0;
- dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG), DMA_TO_DEVICE);
+ dma_sync_to_dev(hostdata, slot->SG, sizeof(slot->SG));
DEBUG((" SETTING %p to %x\n",
(&slot->pSG[i].ins),
slot->SG[i].ins));
@@ -2018,7 +2018,7 @@ NCR_700_set_offset(struct scsi_target *STp, int offset)
}
STATIC int
-NCR_700_slave_alloc(struct scsi_device *SDp)
+NCR_700_sdev_init(struct scsi_device *SDp)
{
SDp->hostdata = kzalloc(sizeof(struct NCR_700_Device_Parameters),
GFP_KERNEL);
@@ -2030,7 +2030,7 @@ NCR_700_slave_alloc(struct scsi_device *SDp)
}
STATIC int
-NCR_700_slave_configure(struct scsi_device *SDp)
+NCR_700_sdev_configure(struct scsi_device *SDp, struct queue_limits *lim)
{
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)SDp->host->hostdata[0];
@@ -2053,7 +2053,7 @@ NCR_700_slave_configure(struct scsi_device *SDp)
}
STATIC void
-NCR_700_slave_destroy(struct scsi_device *SDp)
+NCR_700_sdev_destroy(struct scsi_device *SDp)
{
kfree(SDp->hostdata);
SDp->hostdata = NULL;
@@ -2072,7 +2072,7 @@ NCR_700_show_active_tags(struct device *dev, struct device_attribute *attr, char
{
struct scsi_device *SDp = to_scsi_device(dev);
- return snprintf(buf, 20, "%d\n", NCR_700_get_depth(SDp));
+ return sysfs_emit(buf, "%d\n", NCR_700_get_depth(SDp));
}
static struct device_attribute NCR_700_active_tags_attr = {
@@ -2083,11 +2083,13 @@ static struct device_attribute NCR_700_active_tags_attr = {
.show = NCR_700_show_active_tags,
};
-STATIC struct device_attribute *NCR_700_dev_attrs[] = {
- &NCR_700_active_tags_attr,
+STATIC struct attribute *NCR_700_dev_attrs[] = {
+ &NCR_700_active_tags_attr.attr,
NULL,
};
+ATTRIBUTE_GROUPS(NCR_700_dev);
+
EXPORT_SYMBOL(NCR_700_detect);
EXPORT_SYMBOL(NCR_700_release);
EXPORT_SYMBOL(NCR_700_intr);