2b1c6b21b5
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
22 lines
562 B
Diff
22 lines
562 B
Diff
From 93e23eca701dfbf20def2a598af43d64c39bd9b8 Mon Sep 17 00:00:00 2001
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From: Matthias Reichl <hias@horus.com>
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Date: Sat, 10 Oct 2015 12:29:18 +0200
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Subject: [PATCH] bcm2835-dma: Fix dreq not set for slave transfers
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Set dreq to slave_id if it is not set like in bcm2708-dmaengine.
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---
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drivers/dma/bcm2835-dma.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/drivers/dma/bcm2835-dma.c
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+++ b/drivers/dma/bcm2835-dma.c
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@@ -657,6 +657,8 @@ static int bcm2835_dma_slave_config(stru
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}
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c->cfg = *cfg;
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+ if (!c->dreq)
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+ c->dreq = cfg->slave_id;
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return 0;
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}
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