From: Danesh Petigara <dpetigara@broadcom.com>
Date: Fri, 8 Jan 2016 00:03:31 +0000 (-0800)
Subject: ata: ahci_brcmstb: disable DIPM support
X-Git-Tag: v4.5-rc1~156^2~1
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6ca92dd7aff899777a3081c5948409f4bdef7d38;p=karo-tx-linux.git

ata: ahci_brcmstb: disable DIPM support

The Broadcom STB SATA host controller does not support device
initiated power management. Disable support for this feature
so the driver never sends SETFEATURES commands to the device
to enable/disable DIPM.

Signed-off-by: Danesh Petigara <dpetigara@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

diff --git a/drivers/ata/ahci_brcmstb.c b/drivers/ata/ahci_brcmstb.c
index 719bed53cdea..f61cbe30786f 100644
--- a/drivers/ata/ahci_brcmstb.c
+++ b/drivers/ata/ahci_brcmstb.c
@@ -84,7 +84,7 @@ struct brcm_ahci_priv {
 };
 
 static const struct ata_port_info ahci_brcm_port_info = {
-	.flags		= AHCI_FLAG_COMMON,
+	.flags		= AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
 	.pio_mask	= ATA_PIO4,
 	.udma_mask	= ATA_UDMA6,
 	.port_ops	= &ahci_platform_ops,