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path: root/drivers/ata/pata_icside.c
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Diffstat (limited to 'drivers/ata/pata_icside.c')
-rw-r--r--drivers/ata/pata_icside.c117
1 files changed, 33 insertions, 84 deletions
diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c
index f97068be2d7..d7c732042a4 100644
--- a/drivers/ata/pata_icside.c
+++ b/drivers/ata/pata_icside.c
@@ -2,6 +2,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/blkdev.h>
+#include <linux/gfp.h>
#include <scsi/scsi_host.h>
#include <linux/ata.h>
#include <linux/libata.h>
@@ -45,8 +46,6 @@ static const struct portinfo pata_icside_portinfo_v6_2 = {
.stepping = 6,
};
-#define PATA_ICSIDE_MAX_SG 128
-
struct pata_icside_state {
void __iomem *irq_port;
void __iomem *ioc_base;
@@ -57,7 +56,6 @@ struct pata_icside_state {
u8 disabled;
unsigned int speed[ATA_MAX_DEVICES];
} port[2];
- struct scatterlist sg[PATA_ICSIDE_MAX_SG];
};
struct pata_icside_info {
@@ -212,8 +210,8 @@ static void pata_icside_set_dmamode(struct ata_port *ap, struct ata_device *adev
else
iomd_type = 'A', cycle = 562;
- ata_dev_printk(adev, KERN_INFO, "timings: act %dns rec %dns cyc %dns (%c)\n",
- t.active, t.recover, t.cycle, iomd_type);
+ ata_dev_info(adev, "timings: act %dns rec %dns cyc %dns (%c)\n",
+ t.active, t.recover, t.cycle, iomd_type);
state->port[ap->port_no].speed[adev->devno] = cycle;
}
@@ -222,9 +220,7 @@ static void pata_icside_bmdma_setup(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct pata_icside_state *state = ap->host->private_data;
- struct scatterlist *sg, *rsg = state->sg;
unsigned int write = qc->tf.flags & ATA_TFLAG_WRITE;
- unsigned int si;
/*
* We are simplex; BUG if we try to fiddle with DMA
@@ -233,24 +229,16 @@ static void pata_icside_bmdma_setup(struct ata_queued_cmd *qc)
BUG_ON(dma_channel_active(state->dma));
/*
- * Copy ATAs scattered sg list into a contiguous array of sg
- */
- for_each_sg(qc->sg, sg, qc->n_elem, si) {
- memcpy(rsg, sg, sizeof(*sg));
- rsg++;
- }
-
- /*
* Route the DMA signals to the correct interface
*/
writeb(state->port[ap->port_no].port_sel, state->ioc_base);
set_dma_speed(state->dma, state->port[ap->port_no].speed[qc->dev->devno]);
- set_dma_sg(state->dma, state->sg, rsg - state->sg);
+ set_dma_sg(state->dma, qc->sg, qc->n_elem);
set_dma_mode(state->dma, write ? DMA_MODE_WRITE : DMA_MODE_READ);
/* issue r/w command */
- ap->ops->exec_command(ap, &qc->tf);
+ ap->ops->sff_exec_command(ap, &qc->tf);
}
static void pata_icside_bmdma_start(struct ata_queued_cmd *qc)
@@ -270,7 +258,7 @@ static void pata_icside_bmdma_stop(struct ata_queued_cmd *qc)
disable_dma(state->dma);
/* see ata_bmdma_stop */
- ata_altstatus(ap);
+ ata_sff_dma_pause(ap);
}
static u8 pata_icside_bmdma_status(struct ata_port *ap)
@@ -297,7 +285,7 @@ static int icside_dma_init(struct pata_icside_info *info)
if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) {
state->dma = ec->dma;
- info->mwdma_mask = 0x07; /* MW0..2 */
+ info->mwdma_mask = ATA_MWDMA2;
}
return 0;
@@ -305,35 +293,18 @@ static int icside_dma_init(struct pata_icside_info *info)
static struct scsi_host_template pata_icside_sht = {
- .module = THIS_MODULE,
- .name = DRV_NAME,
- .ioctl = ata_scsi_ioctl,
- .queuecommand = ata_scsi_queuecmd,
- .can_queue = ATA_DEF_QUEUE,
- .this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = PATA_ICSIDE_MAX_SG,
- .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
- .emulated = ATA_SHT_EMULATED,
- .use_clustering = ATA_SHT_USE_CLUSTERING,
- .proc_name = DRV_NAME,
- .dma_boundary = ~0, /* no dma boundaries */
- .slave_configure = ata_scsi_slave_config,
- .slave_destroy = ata_scsi_slave_destroy,
- .bios_param = ata_std_bios_param,
+ ATA_BASE_SHT(DRV_NAME),
+ .sg_tablesize = SCSI_MAX_SG_CHAIN_SEGMENTS,
+ .dma_boundary = IOMD_DMA_BOUNDARY,
};
-/* wish this was exported from libata-core */
-static void ata_dummy_noret(struct ata_port *port)
-{
-}
-
static void pata_icside_postreset(struct ata_link *link, unsigned int *classes)
{
struct ata_port *ap = link->ap;
struct pata_icside_state *state = ap->host->private_data;
if (classes[0] != ATA_DEV_NONE || classes[1] != ATA_DEV_NONE)
- return ata_std_postreset(link, classes);
+ return ata_sff_postreset(link, classes);
state->port[ap->port_no].disabled = 1;
@@ -349,48 +320,26 @@ static void pata_icside_postreset(struct ata_link *link, unsigned int *classes)
}
}
-static void pata_icside_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL,
- pata_icside_postreset);
-}
-
static struct ata_port_operations pata_icside_port_ops = {
- .set_dmamode = pata_icside_set_dmamode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .exec_command = ata_exec_command,
- .check_status = ata_check_status,
- .dev_select = ata_std_dev_select,
-
- .cable_detect = ata_cable_40wire,
-
- .bmdma_setup = pata_icside_bmdma_setup,
- .bmdma_start = pata_icside_bmdma_start,
-
- .data_xfer = ata_data_xfer_noirq,
-
+ .inherits = &ata_bmdma_port_ops,
/* no need to build any PRD tables for DMA */
.qc_prep = ata_noop_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = pata_icside_error_handler,
- .post_internal_cmd = pata_icside_bmdma_stop,
-
- .irq_clear = ata_dummy_noret,
- .irq_on = ata_irq_on,
-
+ .sff_data_xfer = ata_sff_data_xfer_noirq,
+ .bmdma_setup = pata_icside_bmdma_setup,
+ .bmdma_start = pata_icside_bmdma_start,
.bmdma_stop = pata_icside_bmdma_stop,
.bmdma_status = pata_icside_bmdma_status,
+
+ .cable_detect = ata_cable_40wire,
+ .set_dmamode = pata_icside_set_dmamode,
+ .postreset = pata_icside_postreset,
+
+ .port_start = ATA_OP_NULL, /* don't need PRD table */
};
-static void __devinit
-pata_icside_setup_ioaddr(struct ata_port *ap, void __iomem *base,
- struct pata_icside_info *info,
- const struct portinfo *port)
+static void pata_icside_setup_ioaddr(struct ata_port *ap, void __iomem *base,
+ struct pata_icside_info *info,
+ const struct portinfo *port)
{
struct ata_ioports *ioaddr = &ap->ioaddr;
void __iomem *cmd = base + port->dataoffset;
@@ -418,7 +367,7 @@ pata_icside_setup_ioaddr(struct ata_port *ap, void __iomem *base,
ata_port_desc(ap, "iocbase 0x%lx", info->raw_ioc_base);
}
-static int __devinit pata_icside_register_v5(struct pata_icside_info *info)
+static int pata_icside_register_v5(struct pata_icside_info *info)
{
struct pata_icside_state *state = info->state;
void __iomem *base;
@@ -441,7 +390,7 @@ static int __devinit pata_icside_register_v5(struct pata_icside_info *info)
return 0;
}
-static int __devinit pata_icside_register_v6(struct pata_icside_info *info)
+static int pata_icside_register_v6(struct pata_icside_info *info)
{
struct pata_icside_state *state = info->state;
struct expansion_card *ec = info->ec;
@@ -484,7 +433,7 @@ static int __devinit pata_icside_register_v6(struct pata_icside_info *info)
return icside_dma_init(info);
}
-static int __devinit pata_icside_add_ports(struct pata_icside_info *info)
+static int pata_icside_add_ports(struct pata_icside_info *info)
{
struct expansion_card *ec = info->ec;
struct ata_host *host;
@@ -512,7 +461,7 @@ static int __devinit pata_icside_add_ports(struct pata_icside_info *info)
for (i = 0; i < info->nr_ports; i++) {
struct ata_port *ap = host->ports[i];
- ap->pio_mask = 0x1f;
+ ap->pio_mask = ATA_PIO4;
ap->mwdma_mask = info->mwdma_mask;
ap->flags |= ATA_FLAG_SLAVE_POSS;
ap->ops = &pata_icside_port_ops;
@@ -520,12 +469,12 @@ static int __devinit pata_icside_add_ports(struct pata_icside_info *info)
pata_icside_setup_ioaddr(ap, info->base, info, info->port[i]);
}
- return ata_host_activate(host, ec->irq, ata_interrupt, 0,
+ return ata_host_activate(host, ec->irq, ata_bmdma_interrupt, 0,
&pata_icside_sht);
}
-static int __devinit
-pata_icside_probe(struct expansion_card *ec, const struct ecard_id *id)
+static int pata_icside_probe(struct expansion_card *ec,
+ const struct ecard_id *id)
{
struct pata_icside_state *state;
struct pata_icside_info info;
@@ -625,7 +574,7 @@ static void pata_icside_shutdown(struct expansion_card *ec)
}
}
-static void __devexit pata_icside_remove(struct expansion_card *ec)
+static void pata_icside_remove(struct expansion_card *ec)
{
struct ata_host *host = ecard_get_drvdata(ec);
struct pata_icside_state *state = host->private_data;
@@ -652,7 +601,7 @@ static const struct ecard_id pata_icside_ids[] = {
static struct ecard_driver pata_icside_driver = {
.probe = pata_icside_probe,
- .remove = __devexit_p(pata_icside_remove),
+ .remove = pata_icside_remove,
.shutdown = pata_icside_shutdown,
.id_table = pata_icside_ids,
.drv = {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 09:17:25 +0000