From: Asai Thambi S P <asamymuthupa@micron.com>
Date: Fri, 12 Apr 2013 18:28:02 +0000 (+0530)
Subject: mtip32xx: mtip32xx: Disable TRIM support
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=68466cbf92367c0808bfd2c64bc6faddd7a97b6f;p=deliverable%2Flinux.git

mtip32xx: mtip32xx: Disable TRIM support

Temporarily disabling TRIM support until TRIM related issues
are addressed in the firmware.

Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 2d0d52f6ee2a..30a03ab7efc9 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -1520,10 +1520,12 @@ static int mtip_get_identify(struct mtip_port *port, void __user *user_buffer)
 	}
 #endif
 
+#ifdef MTIP_TRIM /* Disabling TRIM support temporarily */
 	/* Demux ID.DRAT & ID.RZAT to determine trim support */
 	if (port->identify[69] & (1 << 14) && port->identify[69] & (1 << 5))
 		port->dd->trim_supp = true;
 	else
+#endif
 		port->dd->trim_supp = false;
 
 	/* Set the identify buffer as valid. */