diff options
| author | Kefeng Wang <kefeng.wang@linaro.org> | 2014-05-14 14:13:40 +0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2014-05-14 13:07:09 -0400 |
| commit | 888d91a08fa8e2be4cb0eef1e5736ef68b8f77f0 (patch) | |
| tree | 6d94d11eeb4f56442acfd21b8f6ca42ecb6e19d0 /drivers/ata/libahci.c | |
| parent | 58eb8cd565af4a104395e3c10443951c1f73dafe (diff) | |
ata: ahci: append new hflag AHCI_HFLAG_NO_FBS
Append AHCI_HFLAG_NO_FBS to force turning off FBS flag.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Kefeng Wang <kefeng.wang@linaro.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/libahci.c')
| -rw-r--r-- | drivers/ata/libahci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 6bd4f660b4e..e1cf859876f 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -457,6 +457,11 @@ void ahci_save_initial_config(struct device *dev, cap |= HOST_CAP_FBS; } + if ((cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_NO_FBS)) { + dev_info(dev, "controller can't do FBS, turning off CAP_FBS\n"); + cap &= ~HOST_CAP_FBS; + } + if (force_port_map && port_map != force_port_map) { dev_info(dev, "forcing port_map 0x%x -> 0x%x\n", port_map, force_port_map); |