libata: don't use ap->ioaddr in non-SFF drivers
ap->ioaddr is to carry addresses for TF and BMDMA registers of a SFF
controller, don't abuse it in non-SFF controllers.
Signed-off-by: Tejun Heo <htejun@gmail.com>
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 15a4067..6039614 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -467,9 +467,19 @@
return tag;
}
+static unsigned long sil24_port_offset(struct ata_port *ap)
+{
+ return ap->port_no * PORT_REGS_SIZE;
+}
+
+static void __iomem *sil24_port_base(struct ata_port *ap)
+{
+ return ap->host->iomap[SIL24_PORT_BAR] + sil24_port_offset(ap);
+}
+
static void sil24_dev_config(struct ata_device *dev)
{
- void __iomem *port = dev->link->ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(dev->link->ap);
if (dev->cdb_len == 16)
writel(PORT_CS_CDB16, port + PORT_CTRL_STAT);
@@ -479,7 +489,7 @@
static void sil24_read_tf(struct ata_port *ap, int tag, struct ata_taskfile *tf)
{
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
struct sil24_prb __iomem *prb;
u8 fis[6 * 4];
@@ -497,7 +507,7 @@
static int sil24_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val)
{
- void __iomem *scr_addr = ap->ioaddr.scr_addr;
+ void __iomem *scr_addr = sil24_port_base(ap) + PORT_SCONTROL;
if (sc_reg < ARRAY_SIZE(sil24_scr_map)) {
void __iomem *addr;
@@ -510,7 +520,7 @@
static int sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val)
{
- void __iomem *scr_addr = ap->ioaddr.scr_addr;
+ void __iomem *scr_addr = sil24_port_base(ap) + PORT_SCONTROL;
if (sc_reg < ARRAY_SIZE(sil24_scr_map)) {
void __iomem *addr;
@@ -523,7 +533,7 @@
static void sil24_config_port(struct ata_port *ap)
{
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
/* configure IRQ WoC */
if (ap->flags & SIL24_FLAG_PCIX_IRQ_WOC)
@@ -548,7 +558,7 @@
static void sil24_config_pmp(struct ata_port *ap, int attached)
{
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
if (attached)
writel(PORT_CS_PMP_EN, port + PORT_CTRL_STAT);
@@ -558,7 +568,7 @@
static void sil24_clear_pmp(struct ata_port *ap)
{
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
int i;
writel(PORT_CS_PMP_RESUME, port + PORT_CTRL_CLR);
@@ -573,7 +583,7 @@
static int sil24_init_port(struct ata_port *ap)
{
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
struct sil24_port_priv *pp = ap->private_data;
u32 tmp;
@@ -601,7 +611,7 @@
int is_cmd, u32 ctrl,
unsigned long timeout_msec)
{
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
struct sil24_port_priv *pp = ap->private_data;
struct sil24_prb *prb = &pp->cmd_block[0].ata.prb;
dma_addr_t paddr = pp->cmd_block_dma;
@@ -706,7 +716,7 @@
unsigned long deadline)
{
struct ata_port *ap = link->ap;
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
struct sil24_port_priv *pp = ap->private_data;
int did_port_rst = 0;
const char *reason;
@@ -884,7 +894,7 @@
{
struct ata_port *ap = qc->ap;
struct sil24_port_priv *pp = ap->private_data;
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
unsigned int tag = sil24_tag(qc->tag);
dma_addr_t paddr;
void __iomem *activate;
@@ -939,7 +949,7 @@
static void sil24_freeze(struct ata_port *ap)
{
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
/* Port-wide IRQ mask in HOST_CTRL doesn't really work, clear
* PORT_IRQ_ENABLE instead.
@@ -949,7 +959,7 @@
static void sil24_thaw(struct ata_port *ap)
{
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
u32 tmp;
/* clear IRQ */
@@ -962,7 +972,7 @@
static void sil24_error_intr(struct ata_port *ap)
{
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
struct sil24_port_priv *pp = ap->private_data;
struct ata_queued_cmd *qc = NULL;
struct ata_link *link;
@@ -1089,7 +1099,7 @@
static inline void sil24_host_intr(struct ata_port *ap)
{
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
u32 slot_stat, qc_active;
int rc;
@@ -1209,6 +1219,9 @@
ap->private_data = pp;
+ ata_port_pbar_desc(ap, SIL24_HOST_BAR, -1, "host");
+ ata_port_pbar_desc(ap, SIL24_PORT_BAR, sil24_port_offset(ap), "port");
+
return 0;
}
@@ -1227,7 +1240,8 @@
/* init ports */
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
- void __iomem *port = ap->ioaddr.cmd_addr;
+ void __iomem *port = sil24_port_base(ap);
+
/* Initial PHY setting */
writel(0x20c, port + PORT_PHY_CFG);
@@ -1260,7 +1274,7 @@
const struct ata_port_info *ppi[] = { &pi, NULL };
void __iomem * const *iomap;
struct ata_host *host;
- int i, rc;
+ int rc;
u32 tmp;
/* cause link error if sil24_cmd_block is sized wrongly */
@@ -1300,18 +1314,6 @@
return -ENOMEM;
host->iomap = iomap;
- for (i = 0; i < host->n_ports; i++) {
- struct ata_port *ap = host->ports[i];
- size_t offset = ap->port_no * PORT_REGS_SIZE;
- void __iomem *port = iomap[SIL24_PORT_BAR] + offset;
-
- host->ports[i]->ioaddr.cmd_addr = port;
- host->ports[i]->ioaddr.scr_addr = port + PORT_SCONTROL;
-
- ata_port_pbar_desc(ap, SIL24_HOST_BAR, -1, "host");
- ata_port_pbar_desc(ap, SIL24_PORT_BAR, offset, "port");
- }
-
/* configure and activate the device */
if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);