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authorTejun Heo <htejun@gmail.com>2008-03-06 13:12:54 +0900
committerJeff Garzik <jeff@garzik.org>2008-03-10 20:50:36 -0400
commitf659f0e4480bb82e6dcf3db8ba1e8485444084e5 (patch)
tree23ede4117c50f6794628fe5084bfd91027be12e3 /drivers/ata/ahci.c
parenteec59f76e9010e22d5736cf1907af4a92067522e (diff)
libata-sff: handle controllers w/o ctl register
SFF incorrectly assumed that ctl register is available for all controllers while some old SFF controllers don't have ctl register. Make SFF handle controllers w/o ctl register by conditionalizing ctl register access and softreset method. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/ahci.c')
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