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authorTejun Heo <htejun@gmail.com>2006-11-01 03:19:18 -0500
committerJeff Garzik <jeff@garzik.org>2006-11-01 04:20:45 -0500
commit1244a19cde42c268aa159d264fc2df072a3ff82f (patch)
tree8ec73ccd9bc59b221d8bd9b315656ad3b521cfb6 /fs/ext2
parent30574b61611ccd29677989097f8c8a5d9a73d873 (diff)
[PATCH] ahci: fix status register check in ahci_softreset
ahci_softreset() used to use ahci_tf_read() which reads D2H_REG area to check for the Status register. However, this area is zeroed on initialization and not set by initial signature FIS. Replace it with ahci_check_status(). This bug prevented CLO code from being activated whenever BSY and/or DRQ is set prior to softreset. This fix makes AHCI_FLAG_RESET_NEEDS_CLO flag redundant. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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