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path: root/drivers/ata/sata_vsc.c
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Diffstat (limited to 'drivers/ata/sata_vsc.c')
-rw-r--r--drivers/ata/sata_vsc.c110
1 files changed, 32 insertions, 78 deletions
diff --git a/drivers/ata/sata_vsc.c b/drivers/ata/sata_vsc.c
index 95ae3ed24a9..29e847aac34 100644
--- a/drivers/ata/sata_vsc.c
+++ b/drivers/ata/sata_vsc.c
@@ -37,7 +37,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
-#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
@@ -98,20 +97,22 @@ enum {
VSC_SATA_INT_PHY_CHANGE),
};
-static int vsc_sata_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val)
+static int vsc_sata_scr_read(struct ata_link *link,
+ unsigned int sc_reg, u32 *val)
{
if (sc_reg > SCR_CONTROL)
return -EINVAL;
- *val = readl(ap->ioaddr.scr_addr + (sc_reg * 4));
+ *val = readl(link->ap->ioaddr.scr_addr + (sc_reg * 4));
return 0;
}
-static int vsc_sata_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val)
+static int vsc_sata_scr_write(struct ata_link *link,
+ unsigned int sc_reg, u32 val)
{
if (sc_reg > SCR_CONTROL)
return -EINVAL;
- writel(val, ap->ioaddr.scr_addr + (sc_reg * 4));
+ writel(val, link->ap->ioaddr.scr_addr + (sc_reg * 4));
return 0;
}
@@ -200,7 +201,7 @@ static void vsc_sata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
struct ata_ioports *ioaddr = &ap->ioaddr;
u16 nsect, lbal, lbam, lbah, feature;
- tf->command = ata_check_status(ap);
+ tf->command = ata_sff_check_status(ap);
tf->device = readw(ioaddr->device_addr);
feature = readw(ioaddr->error_addr);
nsect = readw(ioaddr->nsect_addr);
@@ -243,7 +244,7 @@ static void vsc_port_intr(u8 port_status, struct ata_port *ap)
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc && likely(!(qc->tf.flags & ATA_TFLAG_POLLING)))
- handled = ata_host_intr(ap, qc);
+ handled = ata_bmdma_port_intr(ap, qc);
/* We received an interrupt during a polled command,
* or some other spurious condition. Interrupt reporting
@@ -251,7 +252,7 @@ static void vsc_port_intr(u8 port_status, struct ata_port *ap)
* simply clear the interrupt
*/
if (unlikely(!handled))
- ata_chk_status(ap);
+ ap->ops->sff_check_status(ap);
}
/*
@@ -271,9 +272,8 @@ static irqreturn_t vsc_sata_interrupt(int irq, void *dev_instance)
if (unlikely(status == 0xffffffff || status == 0)) {
if (status)
- dev_printk(KERN_ERR, host->dev,
- ": IRQ status == 0xffffffff, "
- "PCI fault or device removal?\n");
+ dev_err(host->dev,
+ ": IRQ status == 0xffffffff, PCI fault or device removal?\n");
goto out;
}
@@ -282,14 +282,8 @@ static irqreturn_t vsc_sata_interrupt(int irq, void *dev_instance)
for (i = 0; i < host->n_ports; i++) {
u8 port_status = (status >> (8 * i)) & 0xff;
if (port_status) {
- struct ata_port *ap = host->ports[i];
-
- if (ap && !(ap->flags & ATA_FLAG_DISABLED)) {
- vsc_port_intr(port_status, ap);
- handled++;
- } else
- dev_printk(KERN_ERR, host->dev,
- "interrupt from disabled port %d\n", i);
+ vsc_port_intr(port_status, host->ports[i]);
+ handled++;
}
}
@@ -300,50 +294,24 @@ out:
static struct scsi_host_template vsc_sata_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 = LIBATA_MAX_PRD,
- .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
- .emulated = ATA_SHT_EMULATED,
- .use_clustering = ATA_SHT_USE_CLUSTERING,
- .proc_name = DRV_NAME,
- .dma_boundary = ATA_DMA_BOUNDARY,
- .slave_configure = ata_scsi_slave_config,
- .slave_destroy = ata_scsi_slave_destroy,
- .bios_param = ata_std_bios_param,
+ ATA_BMDMA_SHT(DRV_NAME),
};
-static const struct ata_port_operations vsc_sata_ops = {
- .tf_load = vsc_sata_tf_load,
- .tf_read = vsc_sata_tf_read,
- .exec_command = ata_exec_command,
- .check_status = ata_check_status,
- .dev_select = ata_std_dev_select,
- .bmdma_setup = ata_bmdma_setup,
- .bmdma_start = ata_bmdma_start,
- .bmdma_stop = ata_bmdma_stop,
- .bmdma_status = ata_bmdma_status,
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_data_xfer,
+static struct ata_port_operations vsc_sata_ops = {
+ .inherits = &ata_bmdma_port_ops,
+ /* The IRQ handling is not quite standard SFF behaviour so we
+ cannot use the default lost interrupt handler */
+ .lost_interrupt = ATA_OP_NULL,
+ .sff_tf_load = vsc_sata_tf_load,
+ .sff_tf_read = vsc_sata_tf_read,
.freeze = vsc_freeze,
.thaw = vsc_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
.scr_read = vsc_sata_scr_read,
.scr_write = vsc_sata_scr_write,
- .port_start = ata_port_start,
};
-static void __devinit vsc_sata_setup_port(struct ata_ioports *port,
- void __iomem *base)
+static void vsc_sata_setup_port(struct ata_ioports *port, void __iomem *base)
{
port->cmd_addr = base + VSC_SATA_TF_CMD_OFFSET;
port->data_addr = base + VSC_SATA_TF_DATA_OFFSET;
@@ -365,26 +333,23 @@ static void __devinit vsc_sata_setup_port(struct ata_ioports *port,
}
-static int __devinit vsc_sata_init_one(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+static int vsc_sata_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
{
static const struct ata_port_info pi = {
- .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
- ATA_FLAG_MMIO,
- .pio_mask = 0x1f,
- .mwdma_mask = 0x07,
+ .flags = ATA_FLAG_SATA,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
.port_ops = &vsc_sata_ops,
};
const struct ata_port_info *ppi[] = { &pi, NULL };
- static int printed_version;
struct ata_host *host;
void __iomem *mmio_base;
int i, rc;
u8 cls;
- if (!printed_version++)
- dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
+ ata_print_version_once(&pdev->dev, DRV_VERSION);
/* allocate host */
host = ata_host_alloc_pinfo(&pdev->dev, ppi, 4);
@@ -399,7 +364,7 @@ static int __devinit vsc_sata_init_one(struct pci_dev *pdev,
if (pci_resource_len(pdev, 0) == 0)
return -ENODEV;
- /* map IO regions and intialize host accordingly */
+ /* map IO regions and initialize host accordingly */
rc = pcim_iomap_regions(pdev, 1 << VSC_MMIO_BAR, DRV_NAME);
if (rc == -EBUSY)
pcim_pin_device(pdev);
@@ -422,10 +387,10 @@ static int __devinit vsc_sata_init_one(struct pci_dev *pdev,
/*
* Use 32 bit DMA mask, because 64 bit address support is poor.
*/
- rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (rc)
return rc;
- rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+ rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
if (rc)
return rc;
@@ -469,21 +434,10 @@ static struct pci_driver vsc_sata_pci_driver = {
.remove = ata_pci_remove_one,
};
-static int __init vsc_sata_init(void)
-{
- return pci_register_driver(&vsc_sata_pci_driver);
-}
-
-static void __exit vsc_sata_exit(void)
-{
- pci_unregister_driver(&vsc_sata_pci_driver);
-}
+module_pci_driver(vsc_sata_pci_driver);
MODULE_AUTHOR("Jeremy Higdon");
MODULE_DESCRIPTION("low-level driver for Vitesse VSC7174 SATA controller");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, vsc_sata_pci_tbl);
MODULE_VERSION(DRV_VERSION);
-
-module_init(vsc_sata_init);
-module_exit(vsc_sata_exit);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2026-01-06 11:30:06 +0000