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| author | Ingo Molnar <mingo@elte.hu> | 2010-10-07 09:43:11 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-10-07 09:43:11 +0200 |
| commit | d4f8f217b8a5d5bd02af979650418dca4caec472 (patch) | |
| tree | af047bfa9729c975e24cb7624107574e884d3a57 /drivers/ata/libahci.c | |
| parent | rcu: Add advice to PROVE_RCU_REPEATEDLY kernel config parameter (diff) | |
| parent | rcu: move check from rcu_dereference_bh to rcu_read_lock_bh_held (diff) | |
| download | linux-d4f8f217b8a5d5bd02af979650418dca4caec472.tar.xz linux-d4f8f217b8a5d5bd02af979650418dca4caec472.zip | |
Merge branch 'rcu/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu into core/rcu
Diffstat (limited to 'drivers/ata/libahci.c')
| -rw-r--r-- | drivers/ata/libahci.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 81e772a94d59..68dc6785472f 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -430,6 +430,12 @@ void ahci_save_initial_config(struct device *dev, cap &= ~HOST_CAP_SNTF; } + if (!(cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_YES_FBS)) { + dev_printk(KERN_INFO, dev, + "controller can do FBS, turning on CAP_FBS\n"); + cap |= HOST_CAP_FBS; + } + if (force_port_map && port_map != force_port_map) { dev_printk(KERN_INFO, dev, "forcing port_map 0x%x -> 0x%x\n", port_map, force_port_map); @@ -1320,7 +1326,7 @@ int ahci_do_softreset(struct ata_link *link, unsigned int *class, /* issue the first D2H Register FIS */ msecs = 0; now = jiffies; - if (time_after(now, deadline)) + if (time_after(deadline, now)) msecs = jiffies_to_msecs(deadline - now); tf.ctl |= ATA_SRST; @@ -2036,9 +2042,15 @@ static int ahci_port_start(struct ata_port *ap) u32 cmd = readl(port_mmio + PORT_CMD); if (cmd & PORT_CMD_FBSCP) pp->fbs_supported = true; - else + else if (hpriv->flags & AHCI_HFLAG_YES_FBS) { + dev_printk(KERN_INFO, dev, + "port %d can do FBS, forcing FBSCP\n", + ap->port_no); + pp->fbs_supported = true; + } else dev_printk(KERN_WARNING, dev, - "The port is not capable of FBS\n"); + "port %d is not capable of FBS\n", + ap->port_no); } if (pp->fbs_supported) { |