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authorMichael Hennerich <michael.hennerich@analog.com>2008-07-19 16:57:32 +0800
committerBryan Wu <cooloney@kernel.org>2008-07-19 16:57:32 +0800
commit1efc80b53eb54770139219f99657abd92595fc86 (patch)
tree254c76b3aaf22110b116e67a8118945006cacce6 /include/asm-blackfin/dma.h
parent4f13f548cef5af1717cbbc341a1a3474f3e7466e (diff)
downloadop-kernel-dev-1efc80b53eb54770139219f99657abd92595fc86.zip
op-kernel-dev-1efc80b53eb54770139219f99657abd92595fc86.tar.gz
Blackfin arch: Functional power management support
Enable: PM_SUSPEND_MEM -> Blackfin Hibernate to SDRAM This feature requires a special bootloader (u-boot) supporting return from hibernate. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'include/asm-blackfin/dma.h')
-rw-r--r--include/asm-blackfin/dma.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-blackfin/dma.h b/include/asm-blackfin/dma.h
index c0d5259..3cd4b52 100644
--- a/include/asm-blackfin/dma.h
+++ b/include/asm-blackfin/dma.h
@@ -144,8 +144,16 @@ struct dma_channel {
void *data;
unsigned int dma_enable_flag;
unsigned int loopback_flag;
+#ifdef CONFIG_PM
+ unsigned short saved_peripheral_map;
+#endif
};
+#ifdef CONFIG_PM
+int blackfin_dma_suspend(void);
+void blackfin_dma_resume(void);
+#endif
+
/*******************************************************************************
* DMA API's
*******************************************************************************/
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