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Allow to disable default DMA interrupt handlers

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The default DMA interrupt handlers are somewhat slow and not really flexible,
allow to override them in board if needed.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=none
BUG=none
TEST=none

Change-Id: I909bfab265ccaa4f3b61d0a2a69bf7dfc0414be2
Reviewed-on: https://chromium-review.googlesource.com/215671
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
This commit is contained in:
Vincent Palatin
2014-08-29 14:19:43 -07:00
committed by chrome-internal-fetch
parent 69238f9c66
commit 2edf7ee161
2 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
chip/stm32/dma.c
View File

@@ -250,6 +250,7 @@ void dma_clear_isr(enum dma_channel channel)
dma->ifcr |= STM32_DMA_ISR_ALL(channel);
}
#ifdef CONFIG_DMA_DEFAULT_HANDLERS
#ifdef CHIP_FAMILY_STM32F0
void dma_event_interrupt_channel_1(void)
{
@@ -323,3 +324,4 @@ void dma_event_interrupt_channel_7(void)
}
DECLARE_IRQ(STM32_IRQ_DMA_CHANNEL_7, dma_event_interrupt_channel_7, 3);
#endif /* CHIP_FAMILY_STM32F0 */
#endif /* CONFIG_DMA_DEFAULT_HANDLERS */

3
include/config.h
View File

@@ -449,6 +449,9 @@
/* Support DMA transfers inside the EC */
#undef CONFIG_DMA
/* Use the common interrupt handlers for DMA IRQs */
#define CONFIG_DMA_DEFAULT_HANDLERS
/* Compile extra debugging and tests for the DMA module */
#undef CONFIG_DMA_HELP