ahci: Use dev_info() to inform about the lack of Device Sleep support
authorGabriele Mazzotta <gabriele.mzt@gmail.com>
Thu, 8 Jan 2015 18:41:34 +0000 (19:41 +0100)
committerTejun Heo <tj@kernel.org>
Fri, 9 Jan 2015 22:04:12 +0000 (17:04 -0500)
According to the Serial ATA AHCI specification, Device Sleep is an
optional feature and as such no errors should be printed if it's
missing. Keep informing users, but use dev_info() instead of dev_err().

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
drivers/ata/libahci.c

index 97683e45ab043be5045ae22945a5520e845cfe4f..61a9c07e0dff5b277dba35cfa135bac449f9ce84 100644 (file)
@@ -2003,7 +2003,7 @@ static void ahci_set_aggressive_devslp(struct ata_port *ap, bool sleep)
 
        devslp = readl(port_mmio + PORT_DEVSLP);
        if (!(devslp & PORT_DEVSLP_DSP)) {
-               dev_err(ap->host->dev, "port does not support device sleep\n");
+               dev_info(ap->host->dev, "port does not support device sleep\n");
                return;
        }