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authorMatt Fleming <matt@console-pimps.org>2010-09-27 09:42:19 +0100
committerChris Ball <cjb@laptop.org>2010-10-23 21:11:15 +0800
commit71d7d3d190fe77588269a8febf93cd739bd91eb3 (patch)
tree32aa0d033c40c38327a704e2cad0fc61e2dd86ae /mm/memory_hotplug.c
parentd3c502b84f734b36abdc9d11ec61f00016e98d33 (diff)
mmc: Add helper function to check if a card is removable
There are two checks that need to be made when determining whether a card is removable. A host controller may set MMC_CAP_NONREMOVABLE if the controller does not support removing cards (e.g. eMMC), in which case the card is physically non-removable. Also the 'mmc_assume_removable' module parameter can be configured at module load time, in which case the card may be logically non-removable. A helper function keeps the logic in one place so that code always checks both conditions. Because this new function is likely to be called from modules we now need to export the mmc_assume_removable symbol. Signed-off-by: Matt Fleming <matt@console-pimps.org> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Tested-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'mm/memory_hotplug.c')
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