From: Alan Cox <alan@xxxxxxxxxx>
Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
---
drivers/ata/libata-sff.c | 136 +++++++++++++++++++++++-----------------------
1 files changed, 69 insertions(+), 67 deletions(-)
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index e9c09cd..61b1fb4 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -69,6 +69,7 @@ const struct ata_port_operations ata_sff_port_ops = {
.port_start = ata_sff_port_start,
};
+EXPORT_SYMBOL_GPL(ata_sff_port_ops);
const struct ata_port_operations ata_bmdma_port_ops = {
.inherits = &ata_sff_port_ops,
@@ -80,6 +81,7 @@ const struct ata_port_operations ata_bmdma_port_ops = {
.bmdma_stop = ata_bmdma_stop,
.bmdma_status = ata_bmdma_status,
};
+EXPORT_SYMBOL_GPL(ata_bmdma_port_ops);
/**
* ata_fill_sg - Fill PCI IDE PRD table
@@ -169,8 +171,9 @@ static void ata_fill_sg_dumb(struct ata_queued_cmd *qc)
blen = len & 0xffff;
ap->prd[pi].addr = cpu_to_le32(addr);
if (blen == 0) {
- /* Some PATA chipsets like the CS5530 can't
- cope with 0x0000 meaning 64K as the spec says */
+ /* Some PATA chipsets like the CS5530 can't
+ cope with 0x0000 meaning 64K as the spec
+ says */
ap->prd[pi].flags_len = cpu_to_le32(0x8000);
blen = 0x8000;
ap->prd[++pi].addr = cpu_to_le32(addr + 0x8000);
@@ -203,6 +206,7 @@ void ata_sff_qc_prep(struct ata_queued_cmd *qc)
ata_fill_sg(qc);
}
+EXPORT_SYMBOL_GPL(ata_sff_qc_prep);
/**
* ata_sff_dumb_qc_prep - Prepare taskfile for submission
@@ -220,6 +224,7 @@ void ata_sff_dumb_qc_prep(struct ata_queued_cmd *qc)
ata_fill_sg_dumb(qc);
}
+EXPORT_SYMBOL_GPL(ata_sff_dumb_qc_prep);
/**
* ata_sff_check_status - Read device status reg & clear interrupt
@@ -236,6 +241,7 @@ u8 ata_sff_check_status(struct ata_port *ap)
{
return ioread8(ap->ioaddr.status_addr);
}
+EXPORT_SYMBOL_GPL(ata_sff_check_status);
/**
* ata_sff_altstatus - Read device alternate status reg
@@ -278,7 +284,7 @@ static u8 ata_sff_irq_status(struct ata_port *ap)
status = ata_sff_altstatus(ap);
/* Not us: We are busy */
if (status & ATA_BUSY)
- return status;
+ return status;
}
/* Clear INTRQ latch */
status = ap->ops->sff_check_status(ap);
@@ -322,6 +328,7 @@ void ata_sff_pause(struct ata_port *ap)
ata_sff_sync(ap);
ndelay(400);
}
+EXPORT_SYMBOL_GPL(ata_sff_pause);
/**
* ata_sff_dma_pause - Pause before commencing DMA
@@ -330,7 +337,7 @@ void ata_sff_pause(struct ata_port *ap)
* Perform I/O fencing and ensure sufficient cycle delays occur
* for the HDMA1:0 transition
*/
-
+
void ata_sff_dma_pause(struct ata_port *ap)
{
if (ap->ops->sff_check_altstatus || ap->ioaddr.altstatus_addr) {
@@ -344,6 +351,7 @@ void ata_sff_dma_pause(struct ata_port *ap)
corruption. */
BUG();
}
+EXPORT_SYMBOL_GPL(ata_sff_dma_pause);
/**
* ata_sff_busy_sleep - sleep until BSY clears, or timeout
@@ -399,6 +407,7 @@ int ata_sff_busy_sleep(struct ata_port *ap,
return 0;
}
+EXPORT_SYMBOL_GPL(ata_sff_busy_sleep);
static int ata_sff_check_ready(struct ata_link *link)
{
@@ -425,6 +434,7 @@ int ata_sff_wait_ready(struct ata_link *link, unsigned long deadline)
{
return ata_wait_ready(link, deadline, ata_sff_check_ready);
}
+EXPORT_SYMBOL_GPL(ata_sff_wait_ready);
/**
* ata_sff_dev_select - Select device 0/1 on ATA bus
@@ -452,6 +462,7 @@ void ata_sff_dev_select(struct ata_port *ap, unsigned int device)
iowrite8(tmp, ap->ioaddr.device_addr);
ata_sff_pause(ap); /* needed; also flushes, for mmio */
}
+EXPORT_SYMBOL_GPL(ata_sff_dev_select);
/**
* ata_dev_select - Select device 0/1 on ATA bus
@@ -516,6 +527,7 @@ u8 ata_sff_irq_on(struct ata_port *ap)
return tmp;
}
+EXPORT_SYMBOL_GPL(ata_sff_irq_on);
/**
* ata_sff_irq_clear - Clear PCI IDE BMDMA interrupt.
@@ -537,6 +549,7 @@ void ata_sff_irq_clear(struct ata_port *ap)
iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS);
}
+EXPORT_SYMBOL_GPL(ata_sff_irq_clear);
/**
* ata_sff_tf_load - send taskfile registers to host controller
@@ -596,6 +609,7 @@ void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
ata_wait_idle(ap);
}
+EXPORT_SYMBOL_GPL(ata_sff_tf_load);
/**
* ata_sff_tf_read - input device's ATA taskfile shadow registers
@@ -636,6 +650,7 @@ void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
WARN_ON(1);
}
}
+EXPORT_SYMBOL_GPL(ata_sff_tf_read);
/**
* ata_sff_exec_command - issue ATA command to host controller
@@ -655,6 +670,7 @@ void ata_sff_exec_command(struct ata_port *ap, const struct ata_taskfile *tf)
iowrite8(tf->command, ap->ioaddr.command_addr);
ata_sff_pause(ap);
}
+EXPORT_SYMBOL_GPL(ata_sff_exec_command);
/**
* ata_tf_to_host - issue ATA taskfile to host controller
@@ -720,6 +736,7 @@ unsigned int ata_sff_data_xfer(struct ata_device *dev, unsigned char *buf,
return words << 1;
}
+EXPORT_SYMBOL_GPL(ata_sff_data_xfer);
/**
* ata_sff_data_xfer_noirq - Transfer data by PIO
@@ -749,6 +766,7 @@ unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, unsigned char *buf,
return consumed;
}
+EXPORT_SYMBOL_GPL(ata_sff_data_xfer_noirq);
/**
* ata_pio_sector - Transfer a sector of data.
@@ -925,13 +943,15 @@ next_sg:
buf = kmap_atomic(page, KM_IRQ0);
/* do the actual data transfer */
- consumed = ap->ops->sff_data_xfer(dev, buf + offset, count, rw);
+ consumed = ap->ops->sff_data_xfer(dev, buf + offset,
+ count, rw);
kunmap_atomic(buf, KM_IRQ0);
local_irq_restore(flags);
} else {
buf = page_address(page);
- consumed = ap->ops->sff_data_xfer(dev, buf + offset, count, rw);
+ consumed = ap->ops->sff_data_xfer(dev, buf + offset,
+ count, rw);
}
bytes -= min(bytes, consumed);
@@ -1016,18 +1036,19 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc)
* RETURNS:
* 1 if ok in workqueue, 0 otherwise.
*/
-static inline int ata_hsm_ok_in_wq(struct ata_port *ap, struct ata_queued_cmd *qc)
+static inline int ata_hsm_ok_in_wq(struct ata_port *ap,
+ struct ata_queued_cmd *qc)
{
if (qc->tf.flags & ATA_TFLAG_POLLING)
return 1;
if (ap->hsm_task_state == HSM_ST_FIRST) {
if (qc->tf.protocol == ATA_PROT_PIO &&
- (qc->tf.flags & ATA_TFLAG_WRITE))
+ (qc->tf.flags & ATA_TFLAG_WRITE))
return 1;
if (ata_is_atapi(qc->tf.protocol) &&
- !(qc->dev->flags & ATA_DFLAG_CDB_INTR))
+ !(qc->dev->flags & ATA_DFLAG_CDB_INTR))
return 1;
}
@@ -1341,6 +1362,7 @@ fsm_start:
return poll_next;
}
+EXPORT_SYMBOL_GPL(ata_sff_hsm_move);
void ata_pio_task(struct work_struct *work)
{
@@ -1510,6 +1532,7 @@ unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc)
return 0;
}
+EXPORT_SYMBOL_GPL(ata_sff_qc_issue);
/**
* ata_sff_qc_fill_rtf - fill result TF using ->sff_tf_read
@@ -1529,6 +1552,7 @@ bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc)
qc->ap->ops->sff_tf_read(qc->ap, &qc->result_tf);
return true;
}
+EXPORT_SYMBOL_GPL(ata_sff_qc_fill_rtf);
/**
* ata_sff_host_intr - Handle host interrupt for given (port, task)
@@ -1626,6 +1650,7 @@ idle_irq:
#endif
return 0; /* irq not handled */
}
+EXPORT_SYMBOL_GPL(ata_sff_host_intr);
/**
* ata_sff_interrupt - Default ATA host interrupt handler
@@ -1670,6 +1695,7 @@ irqreturn_t ata_sff_interrupt(int irq, void *dev_instance)
return IRQ_RETVAL(handled);
}
+EXPORT_SYMBOL_GPL(ata_sff_interrupt);
/**
* ata_sff_lost_interrupt - Check for an apparent lost interrupt
@@ -1711,6 +1737,7 @@ void ata_sff_lost_interrupt(struct ata_port *ap)
lost */
ata_sff_host_intr(ap, qc);
}
+EXPORT_SYMBOL_GPL(ata_sff_lost_interrupt);
/**
* ata_sff_freeze - Freeze SFF controller port
@@ -1739,6 +1766,7 @@ void ata_sff_freeze(struct ata_port *ap)
ap->ops->sff_irq_clear(ap);
}
+EXPORT_SYMBOL_GPL(ata_sff_freeze);
/**
* ata_sff_thaw - Thaw SFF controller port
@@ -1756,6 +1784,7 @@ void ata_sff_thaw(struct ata_port *ap)
ap->ops->sff_irq_clear(ap);
ap->ops->sff_irq_on(ap);
}
+EXPORT_SYMBOL_GPL(ata_sff_thaw);
/**
* ata_sff_prereset - prepare SFF link for reset
@@ -1797,6 +1826,7 @@ int ata_sff_prereset(struct ata_link *link, unsigned long deadline)
return 0;
}
+EXPORT_SYMBOL_GPL(ata_sff_prereset);
/**
* ata_devchk - PATA device presence detection
@@ -1909,6 +1939,7 @@ unsigned int ata_sff_dev_classify(struct ata_device *dev, int present,
return class;
}
+EXPORT_SYMBOL_GPL(ata_sff_dev_classify);
/**
* ata_sff_wait_after_reset - wait for devices to become ready after reset
@@ -1985,6 +2016,7 @@ int ata_sff_wait_after_reset(struct ata_link *link, unsigned int devmask,
return ret;
}
+EXPORT_SYMBOL_GPL(ata_sff_wait_after_reset);
static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask,
unsigned long deadline)
@@ -2057,6 +2089,7 @@ int ata_sff_softreset(struct ata_link *link, unsigned int *classes,
DPRINTK("EXIT, classes[0]=%u [1]=%u\n", classes[0], classes[1]);
return 0;
}
+EXPORT_SYMBOL_GPL(ata_sff_softreset);
/**
* sata_sff_hardreset - reset host port via SATA phy reset
@@ -2089,6 +2122,7 @@ int sata_sff_hardreset(struct ata_link *link, unsigned int *class,
DPRINTK("EXIT, class=%u\n", *class);
return rc;
}
+EXPORT_SYMBOL_GPL(sata_sff_hardreset);
/**
* ata_sff_postreset - SFF postreset callback
@@ -2124,6 +2158,7 @@ void ata_sff_postreset(struct ata_link *link, unsigned int *classes)
if (ap->ioaddr.ctl_addr)
iowrite8(ap->ctl, ap->ioaddr.ctl_addr);
}
+EXPORT_SYMBOL_GPL(ata_sff_postreset);
/**
* ata_sff_drain_fifo - Stock FIFO drain logic for SFF controllers
@@ -2156,6 +2191,7 @@ void ata_sff_drain_fifo(struct ata_queued_cmd *qc)
"drained %d bytes to clear DRQ.\n", count);
}
+EXPORT_SYMBOL_GPL(ata_sff_drain_fifo);
/**
* ata_sff_error_handler - Stock error handler for BMDMA controller
@@ -2236,6 +2272,7 @@ void ata_sff_error_handler(struct ata_port *ap)
ata_do_eh(ap, ap->ops->prereset, softreset, hardreset,
ap->ops->postreset);
}
+EXPORT_SYMBOL_GPL(ata_sff_error_handler);
/**
* ata_sff_post_internal_cmd - Stock post_internal_cmd for SFF controller
@@ -2258,6 +2295,7 @@ void ata_sff_post_internal_cmd(struct ata_queued_cmd *qc)
spin_unlock_irqrestore(ap->lock, flags);
}
+EXPORT_SYMBOL_GPL(ata_sff_post_internal_cmd);
/**
* ata_sff_port_start - Set port up for dma.
@@ -2278,6 +2316,7 @@ int ata_sff_port_start(struct ata_port *ap)
return ata_port_start(ap);
return 0;
}
+EXPORT_SYMBOL_GPL(ata_sff_port_start);
/**
* ata_sff_std_ports - initialize ioaddr with standard port offsets.
@@ -2303,6 +2342,7 @@ void ata_sff_std_ports(struct ata_ioports *ioaddr)
ioaddr->status_addr = ioaddr->cmd_addr + ATA_REG_STATUS;
ioaddr->command_addr = ioaddr->cmd_addr + ATA_REG_CMD;
}
+EXPORT_SYMBOL_GPL(ata_sff_std_ports);
unsigned long ata_bmdma_mode_filter(struct ata_device *adev,
unsigned long xfer_mask)
@@ -2314,6 +2354,7 @@ unsigned long ata_bmdma_mode_filter(struct ata_device *adev,
xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
return xfer_mask;
}
+EXPORT_SYMBOL_GPL(ata_bmdma_mode_filter);
/**
* ata_bmdma_setup - Set up PCI IDE BMDMA transaction
@@ -2342,6 +2383,7 @@ void ata_bmdma_setup(struct ata_queued_cmd *qc)
/* issue r/w command */
ap->ops->sff_exec_command(ap, &qc->tf);
}
+EXPORT_SYMBOL_GPL(ata_bmdma_setup);
/**
* ata_bmdma_start - Start a PCI IDE BMDMA transaction
@@ -2374,6 +2416,7 @@ void ata_bmdma_start(struct ata_queued_cmd *qc)
* unneccessarily delayed for MMIO
*/
}
+EXPORT_SYMBOL_GPL(ata_bmdma_start);
/**
* ata_bmdma_stop - Stop PCI IDE BMDMA transfer
@@ -2398,6 +2441,7 @@ void ata_bmdma_stop(struct ata_queued_cmd *qc)
/* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */
ata_sff_dma_pause(ap);
}
+EXPORT_SYMBOL_GPL(ata_bmdma_stop);
/**
* ata_bmdma_status - Read PCI IDE BMDMA status
@@ -2414,6 +2458,7 @@ u8 ata_bmdma_status(struct ata_port *ap)
{
return ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
}
+EXPORT_SYMBOL_GPL(ata_bmdma_status);
/**
* ata_bus_reset - reset host port and associated ATA channel
@@ -2506,6 +2551,7 @@ err_out:
DPRINTK("EXIT\n");
}
+EXPORT_SYMBOL_GPL(ata_bus_reset);
#ifdef CONFIG_PCI
@@ -2533,6 +2579,7 @@ int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev)
return -EOPNOTSUPP;
return 0;
}
+EXPORT_SYMBOL_GPL(ata_pci_bmdma_clear_simplex);
/**
* ata_pci_bmdma_init - acquire PCI BMDMA resources and init ATA host
@@ -2585,11 +2632,12 @@ int ata_pci_bmdma_init(struct ata_host *host)
host->flags |= ATA_HOST_SIMPLEX;
ata_port_desc(ap, "bmdma 0x%llx",
- (unsigned long long)pci_resource_start(pdev, 4) + 8 * i);
+ (unsigned long long)pci_resource_start(pdev, 4) + 8 * i);
}
return 0;
}
+EXPORT_SYMBOL_GPL(ata_pci_bmdma_init);
static int ata_resources_present(struct pci_dev *pdev, int port)
{
@@ -2597,7 +2645,7 @@ static int ata_resources_present(struct pci_dev *pdev, int port)
/* Check the PCI resources for this channel are enabled */
port = port * 2;
- for (i = 0; i < 2; i ++) {
+ for (i = 0; i < 2; i++) {
if (pci_resource_start(pdev, port + i) == 0 ||
pci_resource_len(pdev, port + i) == 0)
return 0;
@@ -2682,6 +2730,7 @@ int ata_pci_sff_init_host(struct ata_host *host)
return 0;
}
+EXPORT_SYMBOL_GPL(ata_pci_sff_init_host);
/**
* ata_pci_sff_prepare_host - helper to prepare native PCI ATA host
@@ -2699,7 +2748,7 @@ int ata_pci_sff_init_host(struct ata_host *host)
* 0 on success, -errno otherwise.
*/
int ata_pci_sff_prepare_host(struct pci_dev *pdev,
- const struct ata_port_info * const * ppi,
+ const struct ata_port_info * const *ppi,
struct ata_host **r_host)
{
struct ata_host *host;
@@ -2729,17 +2778,18 @@ int ata_pci_sff_prepare_host(struct pci_dev *pdev,
*r_host = host;
return 0;
- err_bmdma:
+err_bmdma:
/* This is necessary because PCI and iomap resources are
* merged and releasing the top group won't release the
* acquired resources if some of those have been acquired
* before entering this function.
*/
pcim_iounmap_regions(pdev, 0xf);
- err_out:
+err_out:
devres_release_group(&pdev->dev, NULL);
return rc;
}
+EXPORT_SYMBOL_GPL(ata_pci_sff_prepare_host);
/**
* ata_pci_sff_activate_host - start SFF host, request IRQ and register it
@@ -2825,7 +2875,7 @@ int ata_pci_sff_activate_host(struct ata_host *host,
}
rc = ata_host_register(host, sht);
- out:
+out:
if (rc == 0)
devres_remove_group(dev, NULL);
else
@@ -2833,6 +2883,7 @@ int ata_pci_sff_activate_host(struct ata_host *host,
return rc;
}
+EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host);
/**
* ata_pci_sff_init_one - Initialize/register PCI IDE host controller
@@ -2860,7 +2911,7 @@ int ata_pci_sff_activate_host(struct ata_host *host,
* Zero on success, negative on errno-based value on error.
*/
int ata_pci_sff_init_one(struct pci_dev *pdev,
- const struct ata_port_info * const * ppi,
+ const struct ata_port_info * const *ppi,
struct scsi_host_template *sht, void *host_priv)
{
struct device *dev = &pdev->dev;
@@ -2899,7 +2950,7 @@ int ata_pci_sff_init_one(struct pci_dev *pdev,
pci_set_master(pdev);
rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht);
- out:
+out:
if (rc == 0)
devres_remove_group(&pdev->dev, NULL);
else
@@ -2907,56 +2958,7 @@ int ata_pci_sff_init_one(struct pci_dev *pdev,
return rc;
}
+EXPORT_SYMBOL_GPL(ata_pci_sff_init_one);
#endif /* CONFIG_PCI */
-EXPORT_SYMBOL_GPL(ata_sff_port_ops);
-EXPORT_SYMBOL_GPL(ata_bmdma_port_ops);
-EXPORT_SYMBOL_GPL(ata_sff_qc_prep);
-EXPORT_SYMBOL_GPL(ata_sff_dumb_qc_prep);
-EXPORT_SYMBOL_GPL(ata_sff_dev_select);
-EXPORT_SYMBOL_GPL(ata_sff_check_status);
-EXPORT_SYMBOL_GPL(ata_sff_dma_pause);
-EXPORT_SYMBOL_GPL(ata_sff_pause);
-EXPORT_SYMBOL_GPL(ata_sff_busy_sleep);
-EXPORT_SYMBOL_GPL(ata_sff_wait_ready);
-EXPORT_SYMBOL_GPL(ata_sff_tf_load);
-EXPORT_SYMBOL_GPL(ata_sff_tf_read);
-EXPORT_SYMBOL_GPL(ata_sff_exec_command);
-EXPORT_SYMBOL_GPL(ata_sff_data_xfer);
-EXPORT_SYMBOL_GPL(ata_sff_data_xfer_noirq);
-EXPORT_SYMBOL_GPL(ata_sff_irq_on);
-EXPORT_SYMBOL_GPL(ata_sff_irq_clear);
-EXPORT_SYMBOL_GPL(ata_sff_hsm_move);
-EXPORT_SYMBOL_GPL(ata_sff_qc_issue);
-EXPORT_SYMBOL_GPL(ata_sff_qc_fill_rtf);
-EXPORT_SYMBOL_GPL(ata_sff_host_intr);
-EXPORT_SYMBOL_GPL(ata_sff_interrupt);
-EXPORT_SYMBOL_GPL(ata_sff_lost_interrupt);
-EXPORT_SYMBOL_GPL(ata_sff_freeze);
-EXPORT_SYMBOL_GPL(ata_sff_thaw);
-EXPORT_SYMBOL_GPL(ata_sff_prereset);
-EXPORT_SYMBOL_GPL(ata_sff_dev_classify);
-EXPORT_SYMBOL_GPL(ata_sff_wait_after_reset);
-EXPORT_SYMBOL_GPL(ata_sff_softreset);
-EXPORT_SYMBOL_GPL(sata_sff_hardreset);
-EXPORT_SYMBOL_GPL(ata_sff_postreset);
-EXPORT_SYMBOL_GPL(ata_sff_drain_fifo);
-EXPORT_SYMBOL_GPL(ata_sff_error_handler);
-EXPORT_SYMBOL_GPL(ata_sff_post_internal_cmd);
-EXPORT_SYMBOL_GPL(ata_sff_port_start);
-EXPORT_SYMBOL_GPL(ata_sff_std_ports);
-EXPORT_SYMBOL_GPL(ata_bmdma_mode_filter);
-EXPORT_SYMBOL_GPL(ata_bmdma_setup);
-EXPORT_SYMBOL_GPL(ata_bmdma_start);
-EXPORT_SYMBOL_GPL(ata_bmdma_stop);
-EXPORT_SYMBOL_GPL(ata_bmdma_status);
-EXPORT_SYMBOL_GPL(ata_bus_reset);
-#ifdef CONFIG_PCI
-EXPORT_SYMBOL_GPL(ata_pci_bmdma_clear_simplex);
-EXPORT_SYMBOL_GPL(ata_pci_bmdma_init);
-EXPORT_SYMBOL_GPL(ata_pci_sff_init_host);
-EXPORT_SYMBOL_GPL(ata_pci_sff_prepare_host);
-EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host);
-EXPORT_SYMBOL_GPL(ata_pci_sff_init_one);
-#endif /* CONFIG_PCI */
--
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