QS_PRD_BYTES = QS_MAX_PRD * 16,
QS_PKT_BYTES = QS_CPB_BYTES + QS_PRD_BYTES,
- QS_DMA_BOUNDARY = ~0UL,
-
/* global register offsets */
QS_HCF_CNFG3 = 0x0003, /* host configuration offset */
QS_HID_HPHY = 0x0004, /* host physical interface info */
board_2068_idx = 0, /* QStor 4-port SATA/RAID */
};
+enum {
+ QS_DMA_BOUNDARY = ~0UL
+};
+
typedef enum { qs_state_idle, qs_state_pkt, qs_state_mmio } qs_state_t;
struct qs_port_priv {
.bios_param = ata_std_bios_param,
};
-static struct ata_port_operations qs_ata_ops = {
+static const struct ata_port_operations qs_ata_ops = {
.port_disable = ata_port_disable,
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
static void qs_fill_sg(struct ata_queued_cmd *qc)
{
- struct scatterlist *sg = qc->sg;
+ struct scatterlist *sg;
struct ata_port *ap = qc->ap;
struct qs_port_priv *pp = ap->private_data;
unsigned int nelem;
u8 *prd = pp->pkt + QS_CPB_BYTES;
- assert(sg != NULL);
+ assert(qc->__sg != NULL);
assert(qc->n_elem > 0);
- for (nelem = 0; nelem < qc->n_elem; nelem++,sg++) {
+ nelem = 0;
+ ata_for_each_sg(sg, qc) {
u64 addr;
u32 len;
VPRINTK("PRD[%u] = (0x%llX, 0x%X)\n", nelem,
(unsigned long long)addr, len);
+ nelem++;
}
}
if (rc)
return rc;
qs_enter_reg_mode(ap);
- pp = kcalloc(1, sizeof(*pp), GFP_KERNEL);
+ pp = kzalloc(sizeof(*pp), GFP_KERNEL);
if (!pp) {
rc = -ENOMEM;
goto err_out;
static void qs_host_stop(struct ata_host_set *host_set)
{
void __iomem *mmio_base = host_set->mmio_base;
+ struct pci_dev *pdev = to_pci_dev(host_set->dev);
writeb(0, mmio_base + QS_HCT_CTRL); /* disable host interrupts */
writeb(QS_CNFG3_GSRST, mmio_base + QS_HCF_CNFG3); /* global reset */
- ata_host_stop(host_set);
+ pci_iounmap(pdev, mmio_base);
}
static void qs_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
goto err_out_regions;
}
- mmio_base = ioremap(pci_resource_start(pdev, 4),
- pci_resource_len(pdev, 4));
+ mmio_base = pci_iomap(pdev, 4, 0);
if (mmio_base == NULL) {
rc = -ENOMEM;
goto err_out_regions;
return 0;
err_out_iounmap:
- iounmap(mmio_base);
+ pci_iounmap(pdev, mmio_base);
err_out_regions:
pci_release_regions(pdev);
err_out: