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authorIngo Molnar <mingo@kernel.org>2014-05-22 10:28:56 +0200
committerIngo Molnar <mingo@kernel.org>2014-05-22 10:28:56 +0200
commit65c2ce70046c779974af8b5dfc25a0df489089b5 (patch)
treeb16f152eb62b71cf5a1edc51da865b357c989922 /drivers/ata/libahci.c
parentarm64: Remove TIF_POLLING_NRFLAG (diff)
parentLinux 3.15-rc6 (diff)
downloadlinux-65c2ce70046c779974af8b5dfc25a0df489089b5.tar.xz
linux-65c2ce70046c779974af8b5dfc25a0df489089b5.zip
Merge tag 'v3.15-rc6' into sched/core, to pick up the latest fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/ata/libahci.c')
-rw-r--r--drivers/ata/libahci.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 6bd4f660b4e1..b9861453fc81 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -452,6 +452,13 @@ void ahci_save_initial_config(struct device *dev,
cap &= ~HOST_CAP_SNTF;
}
+ if ((cap2 & HOST_CAP2_SDS) && (hpriv->flags & AHCI_HFLAG_NO_DEVSLP)) {
+ dev_info(dev,
+ "controller can't do DEVSLP, turning off\n");
+ cap2 &= ~HOST_CAP2_SDS;
+ cap2 &= ~HOST_CAP2_SADM;
+ }
+
if (!(cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_YES_FBS)) {
dev_info(dev, "controller can do FBS, turning on CAP_FBS\n");
cap |= HOST_CAP_FBS;