Commit 641c3187 authored Apr 23, 2011 by Rabin Vincent Committed by Chris Ball May 24, 2011

mmc: block: init force_ro sysfs attribute



To avoid lockdep warnings:

BUG: key dc90a520 not in .data!
------------[ cut here ]------------
WARNING: at /home/rabin/kernel/arm/kernel/lockdep.c:2701 sysfs_add_file_mode+0x4c/0xb0()
Modules linked in:
[<c004b5d8>] (unwind_backtrace+0x0/0xe4) from [<c0074f20>] (warn_slowpath_common+0x4c/0x64)
[<c0074f20>] (warn_slowpath_common+0x4c/0x64) from [<c0074f50>] (warn_slowpath_null+0x18/0x1c)
[<c0074f50>] (warn_slowpath_null+0x18/0x1c) from [<c0157fec>] (sysfs_add_file_mode+0x4c/0xb0)
[<c0157fec>] (sysfs_add_file_mode+0x4c/0xb0) from [<c02d61e4>] (mmc_add_disk+0x40/0x64)
[<c02d61e4>] (mmc_add_disk+0x40/0x64) from [<c02d64cc>] (mmc_blk_probe+0x188/0x1fc)
[<c02d64cc>] (mmc_blk_probe+0x188/0x1fc) from [<c02ce820>] (mmc_bus_probe+0x14/0x18)
...

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Chris Ball <cjb@laptop.org>

parent 82b0e23a

drivers/mmc/card/block.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -970,6 +970,7 @@ static int mmc_add_disk(struct mmc_blk_data *md)
		add_disk(md->disk);
		md->force_ro.show = force_ro_show;
		md->force_ro.store = force_ro_store;
		sysfs_attr_init(&md->force_ro.attr);
		md->force_ro.attr.name = "force_ro";
		md->force_ro.attr.mode = S_IRUGO \| S_IWUSR;
		ret = device_create_file(disk_to_dev(md->disk), &md->force_ro);

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