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authorTejun Heo <htejun@gmail.com>2008-03-27 19:14:25 +0900
committerJeff Garzik <jgarzik@redhat.com>2008-04-17 15:44:20 -0400
commitd8b81b8008a0f131e01bb6eb5c681c900c327e2b (patch)
tree3f6ef48e0787fc952f3f58e7a2991d7eab82fbf7 /drivers/ata
parent03faab7827e4e45823fd27c47b84c133e20a0cd0 (diff)
libata: kill unused ata_flush_cache()
ata_flush_code() hasn't been in use for quite some time now. Kill it. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/libata-core.c26
-rw-r--r--drivers/ata/libata.h1
2 files changed, 0 insertions, 27 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 4d78f5debb6..fa205d7c5be 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4800,32 +4800,6 @@ int ata_link_offline(struct ata_link *link)
return 0;
}
-int ata_flush_cache(struct ata_device *dev)
-{
- unsigned int err_mask;
- u8 cmd;
-
- if (!ata_try_flush_cache(dev))
- return 0;
-
- if (dev->flags & ATA_DFLAG_FLUSH_EXT)
- cmd = ATA_CMD_FLUSH_EXT;
- else
- cmd = ATA_CMD_FLUSH;
-
- /* This is wrong. On a failed flush we get back the LBA of the lost
- sector and we should (assuming it wasn't aborted as unknown) issue
- a further flush command to continue the writeback until it
- does not error */
- err_mask = ata_do_simple_cmd(dev, cmd);
- if (err_mask) {
- ata_dev_printk(dev, KERN_ERR, "failed to flush cache\n");
- return -EIO;
- }
-
- return 0;
-}
-
#ifdef CONFIG_PM
static int ata_host_request_pm(struct ata_host *host, pm_message_t mesg,
unsigned int action, unsigned int ehi_flags,
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 5e8d0359bcc..11b5f67a19d 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -96,7 +96,6 @@ extern void ata_qc_issue(struct ata_queued_cmd *qc);
extern void __ata_qc_complete(struct ata_queued_cmd *qc);
extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);
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);