From aa2731ad9ad80ac3fca48bd1c4cf0eceede4810e Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 7 Apr 2008 22:47:19 +0900 Subject: libata: separate out ata_wait_ready() and implement ata_wait_after_reset() Factor out waiting logic (which is common to all ATA controllers) from ata_sff_wait_ready() into ata_wait_ready(). ata_wait_ready() takes @check_ready function pointer and uses it to poll for readiness. This allows non-SFF controllers to use ata_wait_ready() to wait for link readiness. This patch also implements ata_wait_after_reset() - generic version of ata_sff_wait_after_reset() - using ata_wait_ready(). ata_sff_wait_ready() is reimplemented using ata_wait_ready() and ata_sff_check_ready(). Functionality remains the same. Signed-off-by: Tejun Heo --- drivers/ata/libata.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/ata/libata.h') diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 11b5f67a19d4..08af43e2c081 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -81,6 +81,8 @@ extern unsigned ata_exec_internal_sg(struct ata_device *dev, int dma_dir, struct scatterlist *sg, unsigned int n_elem, unsigned long timeout); extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd); +extern int ata_wait_ready(struct ata_link *link, unsigned long deadline, + int (*check_ready)(struct ata_link *link)); extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, unsigned int flags, u16 *id); extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags); -- cgit v1.2.3