linux-kernel - [patch 4/6] [RFC] Add MMC Password Protection (lock/unlock) support V6

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Date:	Fri, 17 Nov 2006 09:11:40 -0400
From:	Anderson Briglia <anderson.briglia@...t.org.br>
To:	"Linux-omap-open-source@...ux.omap.com" 
	<linux-omap-open-source@...ux.omap.com>
CC:	linux-kernel@...r.kernel.org,
	Pierre Ossman <drzeus-list@...eus.cx>,
	ext David Brownell <david-b@...bell.net>,
	Russell King <rmk+lkml@....linux.org.uk>,
	Tony Lindgren <tony@...mide.com>,
	"Aguiar Carlos (EXT-INdT/Manaus)" <carlos.aguiar@...t.org.br>,
	"Biris Ilias (EXT-INdT/Manaus)" <Ilias.Biris@...t.org.br>
Subject: [patch 4/6] [RFC] Add MMC Password Protection (lock/unlock) support
 V6

OMAP platform specific patch.
- Add the host MMC lock/unlock capability support.

Signed-off-by: Carlos Eduardo Aguiar <carlos.aguiar <at> indt.org.br>
Signed-off-by: Anderson Lizardo <anderson.lizardo <at> indt.org.br>
Signed-off-by: Anderson Briglia <anderson.briglia <at> indt.org.br>

Index: linux-omap-2.6.git/drivers/mmc/omap.c
===================================================================
--- linux-omap-2.6.git.orig/drivers/mmc/omap.c	2006-11-16 15:35:19.000000000 -0400
+++ linux-omap-2.6.git/drivers/mmc/omap.c	2006-11-17 09:05:47.000000000 -0400
@@ -1094,6 +1094,9 @@ static int __init mmc_omap_probe(struct
  	if (minfo->wire4)
  		 mmc->caps |= MMC_CAP_4_BIT_DATA;

+	/* Sets the lock/unlock capability */
+	host->mmc->caps |= MMC_CAP_LOCK_UNLOCK;
+
  	/* Use scatterlist DMA to reduce per-transfer costs.
  	 * NOTE max_seg_size assumption that small blocks aren't
  	 * normally used (except e.g. for reading SD registers).


View attachment "mmc_omap_cap.diff" of type "text/x-patch" (943 bytes)