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43 lines
1.5 KiB
43 lines
1.5 KiB
From 6156ba379ce50e8a969e4e87c9e1eddb117a9e4c Mon Sep 17 00:00:00 2001
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From: Andrei Gherzan <andrei@gherzan.com>
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Date: Mon, 5 Jun 2017 16:40:38 +0100
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Subject: [PATCH 119/454] dma-bcm2708: Fix module compilation of
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CONFIG_DMA_BCM2708
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bcm2708-dmaengine.c defines functions like bcm_dma_start which are
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defined as well in dma-bcm2708.h as inline versions when
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CONFIG_DMA_BCM2708 is not defined. This works fine when
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CONFIG_DMA_BCM2708 is built in, but when it is selected as module build
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fails with redefinition errors because in the build system when
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CONFIG_DMA_BCM2708 is selected as module, the macro becomes
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CONFIG_DMA_BCM2708_MODULE.
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This patch makes the header use CONFIG_DMA_BCM2708_MODULE too when
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available.
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Fixes https://github.com/raspberrypi/linux/issues/2056
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Signed-off-by: Andrei Gherzan <andrei@gherzan.com>
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---
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include/linux/platform_data/dma-bcm2708.h | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/include/linux/platform_data/dma-bcm2708.h
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+++ b/include/linux/platform_data/dma-bcm2708.h
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@@ -75,7 +75,7 @@ struct bcm2708_dma_cb {
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struct scatterlist;
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struct platform_device;
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-#ifdef CONFIG_DMA_BCM2708
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+#if defined(CONFIG_DMA_BCM2708) || defined(CONFIG_DMA_BCM2708_MODULE)
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int bcm_sg_suitable_for_dma(struct scatterlist *sg_ptr, int sg_len);
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void bcm_dma_start(void __iomem *dma_chan_base, dma_addr_t control_block);
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@@ -138,6 +138,6 @@ static inline int bcm_dmaman_remove(stru
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return 0;
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}
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-#endif /* CONFIG_DMA_BCM2708 */
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+#endif /* CONFIG_DMA_BCM2708 || CONFIG_DMA_BCM2708_MODULE */
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#endif /* _PLAT_BCM2708_DMA_H */
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