Commit 99b6e9be authored Sep 20, 2006 by Matthew Wilcox Committed by Matthew Wilcox Oct 04, 2006

[PARISC] Make DMA routines more stubby



We were pretending to use the GENERIC_ISA_DMA routines, but never
selected that symbol.  Since ISA DMA is known to not work right now,
just remove the attempts to acquire the dma_spin_lock to fix compile
warnings.

Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

parent f3120945

include/asm-parisc/dma.h

+1 −6

Original line number	Diff line number	Diff line
		@@ -72,18 +72,13 @@
		#define DMA2_MASK_ALL_REG 0xDE /* all-channels mask (w) */
		#define DMA2_EXT_MODE_REG (0x400 \| DMA2_MODE_REG)

		extern spinlock_t dma_spin_lock;

		static __inline__ unsigned long claim_dma_lock(void)
		{
		unsigned long flags;
		spin_lock_irqsave(&dma_spin_lock, flags);
		return flags;
		return 0;
		}

		static __inline__ void release_dma_lock(unsigned long flags)
		{
		spin_unlock_irqrestore(&dma_spin_lock, flags);
		}

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