From: Minwoo Im Date: Sun, 11 Jun 2017 14:53:00 +0000 (+0900) Subject: libahci: wrong comments in ahci_do_softreset() X-Git-Tag: v4.13-rc1~144^2~13 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=08fc4756c35fb076027374ff026a82de3de3c5f4;p=karo-tx-linux.git 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 Signed-off-by: Tejun Heo --- 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);