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libata-pmp-prep: make a number of functions global to libata 

Make a number of functions from libata-core.c and libata-eh.c global
to libata (drivers/ata/libata.h).  These will be used by PMP.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2007-09-23 13:14:12 +09:00 committed by Jeff Garzik
parent 422c9daa8b
commit fb7fd61454
3 changed files with 34 additions and 18 deletions
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4
drivers/ata/libata-core.c
View File

@ -6218,7 +6218,7 @@ void ata_dev_init(struct ata_device *dev)
* LOCKING:
* Kernel thread context (may sleep)
*/
static void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp)
void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp)
{
int i;
@ -6253,7 +6253,7 @@ static void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp)
* RETURNS:
* 0 on success, -errno on failure.
*/
static int sata_link_init_spd(struct ata_link *link)
int sata_link_init_spd(struct ata_link *link)
{
u32 scontrol, spd;
int rc;

31
drivers/ata/libata-eh.c
View File

@ -74,7 +74,6 @@ static const unsigned long ata_eh_reset_timeouts[] = {
};
static void __ata_port_freeze(struct ata_port *ap);
static void ata_eh_finish(struct ata_port *ap);
#ifdef CONFIG_PM
static void ata_eh_handle_port_suspend(struct ata_port *ap);
static void ata_eh_handle_port_resume(struct ata_port *ap);
@ -1015,7 +1014,7 @@ void ata_eh_qc_retry(struct ata_queued_cmd *qc)
* LOCKING:
* None.
*/
static void ata_eh_detach_dev(struct ata_device *dev)
void ata_eh_detach_dev(struct ata_device *dev)
{
struct ata_link *link = dev->link;
struct ata_port *ap = link->ap;
@ -1052,8 +1051,8 @@ static void ata_eh_detach_dev(struct ata_device *dev)
* LOCKING:
* None.
*/
static void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
unsigned int action)
void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
unsigned int action)
{
struct ata_port *ap = link->ap;
struct ata_eh_info *ehi = &link->eh_info;
@ -1095,8 +1094,8 @@ static void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
* LOCKING:
* None.
*/
static void ata_eh_done(struct ata_link *link, struct ata_device *dev,
unsigned int action)
void ata_eh_done(struct ata_link *link, struct ata_device *dev,
unsigned int action)
{
struct ata_eh_context *ehc = &link->eh_context;
@ -1756,7 +1755,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
* LOCKING:
* Kernel thread context (may sleep).
*/
static void ata_eh_autopsy(struct ata_port *ap)
void ata_eh_autopsy(struct ata_port *ap)
{
struct ata_link *link;
@ -1867,7 +1866,7 @@ static void ata_eh_link_report(struct ata_link *link)
* LOCKING:
* None.
*/
static void ata_eh_report(struct ata_port *ap)
void ata_eh_report(struct ata_port *ap)
{
struct ata_link *link;
@ -1918,9 +1917,9 @@ static int ata_eh_followup_srst_needed(int rc, int classify,
return 0;
}
static int ata_eh_reset(struct ata_link *link, int classify,
ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
ata_reset_fn_t hardreset, ata_postreset_fn_t postreset)
int ata_eh_reset(struct ata_link *link, int classify,
ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
ata_reset_fn_t hardreset, ata_postreset_fn_t postreset)
{
struct ata_eh_context *ehc = &link->eh_context;
unsigned int *classes = ehc->classes;
@ -2296,10 +2295,10 @@ static int ata_eh_handle_dev_fail(struct ata_device *dev, int err)
* RETURNS:
* 0 on success, -errno on failure.
*/
static int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
ata_postreset_fn_t postreset,
struct ata_link **r_failed_link)
int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
ata_postreset_fn_t postreset,
struct ata_link **r_failed_link)
{
struct ata_link *link;
struct ata_device *dev;
@ -2445,7 +2444,7 @@ static int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
* LOCKING:
* None.
*/
static void ata_eh_finish(struct ata_port *ap)
void ata_eh_finish(struct ata_port *ap)
{
int tag;

17
drivers/ata/libata.h
View File

@ -95,6 +95,8 @@ extern void ata_dev_select(struct ata_port *ap, unsigned int device,
extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
extern int ata_flush_cache(struct ata_device *dev);
extern void ata_dev_init(struct ata_device *dev);
extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
extern int sata_link_init_spd(struct ata_link *link);
extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
extern struct ata_port *ata_port_alloc(struct ata_host *host);
@ -156,6 +158,21 @@ extern void ata_scsi_error(struct Scsi_Host *host);
extern void ata_port_wait_eh(struct ata_port *ap);
extern void ata_eh_fastdrain_timerfn(unsigned long arg);
extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
extern void ata_eh_detach_dev(struct ata_device *dev);
extern void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
unsigned int action);
extern void ata_eh_done(struct ata_link *link, struct ata_device *dev,
unsigned int action);
extern void ata_eh_autopsy(struct ata_port *ap);
extern void ata_eh_report(struct ata_port *ap);
extern int ata_eh_reset(struct ata_link *link, int classify,
ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
ata_reset_fn_t hardreset, ata_postreset_fn_t postreset);
extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
ata_postreset_fn_t postreset,
struct ata_link **r_failed_disk);
extern void ata_eh_finish(struct ata_port *ap);
/* libata-sff.c */
extern u8 ata_irq_on(struct ata_port *ap);