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| author | Minwoo Im <dn3108@gmail.com> | 2017-06-11 16:53:00 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2017-06-12 20:07:49 +0200 |
| commit | 08fc4756c35fb076027374ff026a82de3de3c5f4 (patch) | |
| tree | 2830e88518dabc7acef8cef79e566d98aa76c5d3 /drivers/ata/libahci.c | |
| parent | ata: declare ata_port_info structures as const (diff) | |
| download | linux-08fc4756c35fb076027374ff026a82de3de3c5f4.tar.xz linux-08fc4756c35fb076027374ff026a82de3de3c5f4.zip | |
libahci: wrong comments in ahci_do_softreset()
AHCI 1.3.1 Spec says that software shall build two H2D register
FISes in the command list to send a software reset.
The comments in ahci_do_softreset() is currently D2H instead of H2D.
Signed-off-by: Minwoo Im <dn3108@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/ata/libahci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 6154f0e2b81a..b3a685ad9b87 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1400,7 +1400,7 @@ int ahci_do_softreset(struct ata_link *link, unsigned int *class, ata_tf_init(link->device, &tf); - /* issue the first D2H Register FIS */ + /* issue the first H2D Register FIS */ msecs = 0; now = jiffies; if (time_after(deadline, now)) @@ -1417,7 +1417,7 @@ int ahci_do_softreset(struct ata_link *link, unsigned int *class, /* spec says at least 5us, but be generous and sleep for 1ms */ ata_msleep(ap, 1); - /* issue the second D2H Register FIS */ + /* issue the second H2D Register FIS */ tf.ctl &= ~ATA_SRST; ahci_exec_polled_cmd(ap, pmp, &tf, 0, 0, 0); |