linux-kernel - [PATCH 2/2] mtip32xx: mtip32xx: Disable TRIM support

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Message-ID: <51685232.2040209@micron.com>
Date:	Fri, 12 Apr 2013 23:58:02 +0530
From:	Asai Thambi S P <asamymuthupa@...ron.com>
To:	Jens Axboe <axboe@...nel.dk>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Sam Bradshaw" <sbradshaw@...ron.com>
Subject: [PATCH 2/2] 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@...ron.com>
---
 drivers/block/mtip32xx/mtip32xx.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index d11ea92..53bad62 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -1560,10 +1560,12 @@ 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. */
-- 
1.7.1

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