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authorDenis Karpov <ext-denis.2.karpov@nokia.com>2009-09-22 16:44:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 07:39:34 -0700
commit1887bde391a3216789c9a03ac111d5f6ebfb0c00 (patch)
treecd37724ad4984f8bf2d469516e5338e0fcdcb721 /drivers/mmc/host/omap_hsmmc.c
parent5e2ea6173d71cee81e53da00911dcab8cc092acc (diff)
ARM: OMAP: mmc-twl4030: add context loss counter support
PM dynamic OFF state results in context loss. That is, the host controller has been powered off at some point, which means the registers have been reset. The driver must detect when this happens, and restore the context. This patch adds the means to detect context loss. Note, the PM side is not yet implemented. Signed-off-by: Denis Karpov <ext-denis.2.karpov@nokia.com> Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Acked-by: Matt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/mmc/host/omap_hsmmc.c')
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