summaryrefslogtreecommitdiff
path: root/drivers/ata/sata_promise.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/sata_promise.c')
-rw-r--r--drivers/ata/sata_promise.c86
1 files changed, 24 insertions, 62 deletions
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index d032bf657f70..2a005aede123 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* sata_promise.c - Promise SATA
*
@@ -8,27 +9,10 @@
*
* Copyright 2003-2004 Red Hat, Inc.
*
- *
- * 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, 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; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
* libata documentation is available via 'make {ps|pdf}docs',
* as Documentation/driver-api/libata.rst
*
* Hardware information only available under NDA.
- *
*/
#include <linux/kernel.h>
@@ -155,7 +139,7 @@ static int pdc_sata_scr_write(struct ata_link *link, unsigned int sc_reg, u32 va
static int pdc_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
static int pdc_common_port_start(struct ata_port *ap);
static int pdc_sata_port_start(struct ata_port *ap);
-static void pdc_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc);
static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static int pdc_check_atapi_dma(struct ata_queued_cmd *qc);
@@ -173,9 +157,8 @@ static int pdc_sata_hardreset(struct ata_link *link, unsigned int *class,
static void pdc_error_handler(struct ata_port *ap);
static void pdc_post_internal_cmd(struct ata_queued_cmd *qc);
static int pdc_pata_cable_detect(struct ata_port *ap);
-static int pdc_sata_cable_detect(struct ata_port *ap);
-static struct scsi_host_template pdc_ata_sht = {
+static const struct scsi_host_template pdc_ata_sht = {
ATA_BASE_SHT(DRV_NAME),
.sg_tablesize = PDC_MAX_PRD,
.dma_boundary = ATA_DMA_BOUNDARY,
@@ -199,13 +182,13 @@ static const struct ata_port_operations pdc_common_ops = {
static struct ata_port_operations pdc_sata_ops = {
.inherits = &pdc_common_ops,
- .cable_detect = pdc_sata_cable_detect,
+ .cable_detect = ata_cable_sata,
.freeze = pdc_sata_freeze,
.thaw = pdc_sata_thaw,
.scr_read = pdc_sata_scr_read,
.scr_write = pdc_sata_scr_write,
.port_start = pdc_sata_port_start,
- .hardreset = pdc_sata_hardreset,
+ .reset.hardreset = pdc_sata_hardreset,
};
/* First-generation chips need a more restrictive ->check_atapi_dma op,
@@ -223,7 +206,7 @@ static struct ata_port_operations pdc_pata_ops = {
.freeze = pdc_freeze,
.thaw = pdc_thaw,
.port_start = pdc_common_port_start,
- .softreset = pdc_pata_softreset,
+ .reset.softreset = pdc_pata_softreset,
};
static const struct ata_port_info pdc_port_info[] = {
@@ -475,11 +458,6 @@ static int pdc_pata_cable_detect(struct ata_port *ap)
return ATA_CBL_PATA80;
}
-static int pdc_sata_cable_detect(struct ata_port *ap)
-{
- return ATA_CBL_SATA;
-}
-
static int pdc_sata_scr_read(struct ata_link *link,
unsigned int sc_reg, u32 *val)
{
@@ -618,7 +596,8 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc)
prd[idx].addr = cpu_to_le32(addr);
prd[idx].flags_len = cpu_to_le32(len & 0xffff);
- VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len);
+ ata_port_dbg(ap, "PRD[%u] = (0x%X, 0x%X)\n",
+ idx, addr, len);
idx++;
sg_len -= len;
@@ -631,17 +610,16 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc)
if (len > SG_COUNT_ASIC_BUG) {
u32 addr;
- VPRINTK("Splitting last PRD.\n");
-
addr = le32_to_cpu(prd[idx - 1].addr);
prd[idx - 1].flags_len = cpu_to_le32(len - SG_COUNT_ASIC_BUG);
- VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx - 1, addr, SG_COUNT_ASIC_BUG);
+ ata_port_dbg(ap, "PRD[%u] = (0x%X, 0x%X)\n",
+ idx - 1, addr, SG_COUNT_ASIC_BUG);
addr = addr + len - SG_COUNT_ASIC_BUG;
len = SG_COUNT_ASIC_BUG;
prd[idx].addr = cpu_to_le32(addr);
prd[idx].flags_len = cpu_to_le32(len);
- VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len);
+ ata_port_dbg(ap, "PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len);
idx++;
}
@@ -649,17 +627,15 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc)
prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
}
-static void pdc_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc)
{
struct pdc_port_priv *pp = qc->ap->private_data;
unsigned int i;
- VPRINTK("ENTER\n");
-
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
pdc_fill_sg(qc);
- /*FALLTHROUGH*/
+ fallthrough;
case ATA_PROT_NODATA:
i = pdc_pkt_header(&qc->tf, qc->ap->bmdma_prd_dma,
qc->dev->devno, pp->pkt);
@@ -674,13 +650,15 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc)
break;
case ATAPI_PROT_DMA:
pdc_fill_sg(qc);
- /*FALLTHROUGH*/
+ fallthrough;
case ATAPI_PROT_NODATA:
pdc_atapi_pkt(qc);
break;
default:
break;
}
+
+ return AC_ERR_OK;
}
static int pdc_is_sataii_tx4(unsigned long flags)
@@ -839,7 +817,7 @@ static int pdc_sata_hardreset(struct ata_link *link, unsigned int *class,
static void pdc_error_handler(struct ata_port *ap)
{
- if (!(ap->pflags & ATA_PFLAG_FROZEN))
+ if (!ata_port_is_frozen(ap))
pdc_reset_port(ap);
ata_sff_error_handler(ap);
@@ -850,7 +828,7 @@ static void pdc_post_internal_cmd(struct ata_queued_cmd *qc)
struct ata_port *ap = qc->ap;
/* make DMA engine forget about the failed command */
- if (qc->flags & ATA_QCFLAG_FAILED)
+ if (qc->flags & ATA_QCFLAG_EH)
pdc_reset_port(ap);
}
@@ -942,12 +920,8 @@ static irqreturn_t pdc_interrupt(int irq, void *dev_instance)
u32 hotplug_status;
int is_sataii_tx4;
- VPRINTK("ENTER\n");
-
- if (!host || !host->iomap[PDC_MMIO_BAR]) {
- VPRINTK("QUICK EXIT\n");
+ if (!host || !host->iomap[PDC_MMIO_BAR])
return IRQ_NONE;
- }
host_mmio = host->iomap[PDC_MMIO_BAR];
@@ -966,23 +940,18 @@ static irqreturn_t pdc_interrupt(int irq, void *dev_instance)
/* reading should also clear interrupts */
mask = readl(host_mmio + PDC_INT_SEQMASK);
- if (mask == 0xffffffff && hotplug_status == 0) {
- VPRINTK("QUICK EXIT 2\n");
+ if (mask == 0xffffffff && hotplug_status == 0)
goto done_irq;
- }
mask &= 0xffff; /* only 16 SEQIDs possible */
- if (mask == 0 && hotplug_status == 0) {
- VPRINTK("QUICK EXIT 3\n");
+ if (mask == 0 && hotplug_status == 0)
goto done_irq;
- }
writel(mask, host_mmio + PDC_INT_SEQMASK);
is_sataii_tx4 = pdc_is_sataii_tx4(host->ports[0]->flags);
for (i = 0; i < host->n_ports; i++) {
- VPRINTK("port %u\n", i);
ap = host->ports[i];
/* check for a plug or unplug event */
@@ -1009,8 +978,6 @@ static irqreturn_t pdc_interrupt(int irq, void *dev_instance)
}
}
- VPRINTK("EXIT\n");
-
done_irq:
spin_unlock(&host->lock);
return IRQ_RETVAL(handled);
@@ -1025,8 +992,6 @@ static void pdc_packet_start(struct ata_queued_cmd *qc)
unsigned int port_no = ap->port_no;
u8 seq = (u8) (port_no + 1);
- VPRINTK("ENTER, ap %p\n", ap);
-
writel(0x00000001, host_mmio + (seq * 4));
readl(host_mmio + (seq * 4)); /* flush */
@@ -1042,11 +1007,11 @@ static unsigned int pdc_qc_issue(struct ata_queued_cmd *qc)
case ATAPI_PROT_NODATA:
if (qc->dev->flags & ATA_DFLAG_CDB_INTR)
break;
- /*FALLTHROUGH*/
+ fallthrough;
case ATA_PROT_NODATA:
if (qc->tf.flags & ATA_TFLAG_POLLING)
break;
- /*FALLTHROUGH*/
+ fallthrough;
case ATAPI_PROT_DMA:
case ATA_PROT_DMA:
pdc_packet_start(qc);
@@ -1246,10 +1211,7 @@ static int pdc_ata_init_one(struct pci_dev *pdev,
/* initialize adapter */
pdc_host_init(host);
- rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK);
- if (rc)
- return rc;
- rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
+ rc = dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
generated by cgit (git 2.34.1) at 2025-12-25 11:46:09 +0000