mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-09 21:41:53 +02:00
4f2c17075b
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34061 3c298f89-4303-0410-b956-a3cf2f4a3e73
63 lines
1.8 KiB
Diff
63 lines
1.8 KiB
Diff
From 671f34ea864ddc353f32272b3a2f7ee62d6f8548 Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <blogic@openwrt.org>
|
|
Date: Thu, 1 Nov 2012 20:50:39 +0100
|
|
Subject: [PATCH 102/113] MIPS: lantiq: fixes dma irq ack
|
|
|
|
---
|
|
arch/mips/lantiq/xway/dma.c | 11 ++++++++++-
|
|
1 file changed, 10 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
|
|
index 55d2c4f..a301b3b 100644
|
|
--- a/arch/mips/lantiq/xway/dma.c
|
|
+++ b/arch/mips/lantiq/xway/dma.c
|
|
@@ -25,6 +25,7 @@
|
|
#include <lantiq_soc.h>
|
|
#include <xway_dma.h>
|
|
|
|
+#define LTQ_DMA_ID 0x08
|
|
#define LTQ_DMA_CTRL 0x10
|
|
#define LTQ_DMA_CPOLL 0x14
|
|
#define LTQ_DMA_CS 0x18
|
|
@@ -89,7 +90,7 @@ ltq_dma_ack_irq(struct ltq_dma_channel *ch)
|
|
|
|
local_irq_save(flags);
|
|
ltq_dma_w32(ch->nr, LTQ_DMA_CS);
|
|
- ltq_dma_w32(DMA_IRQ_ACK, LTQ_DMA_CIS);
|
|
+ ltq_dma_w32(ltq_dma_r32(LTQ_DMA_CIS), LTQ_DMA_CIS);
|
|
local_irq_restore(flags);
|
|
}
|
|
EXPORT_SYMBOL_GPL(ltq_dma_ack_irq);
|
|
@@ -103,6 +104,7 @@ ltq_dma_open(struct ltq_dma_channel *ch)
|
|
ltq_dma_w32(ch->nr, LTQ_DMA_CS);
|
|
ltq_dma_w32_mask(0, DMA_CHAN_ON, LTQ_DMA_CCTRL);
|
|
ltq_dma_enable_irq(ch);
|
|
+ ltq_dma_ack_irq(ch);
|
|
local_irq_restore(flag);
|
|
}
|
|
EXPORT_SYMBOL_GPL(ltq_dma_open);
|
|
@@ -214,6 +216,7 @@ ltq_dma_init(struct platform_device *pdev)
|
|
{
|
|
struct clk *clk;
|
|
struct resource *res;
|
|
+ unsigned id;
|
|
int i;
|
|
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
@@ -243,6 +246,12 @@ ltq_dma_init(struct platform_device *pdev)
|
|
ltq_dma_w32(DMA_POLL | DMA_CLK_DIV4, LTQ_DMA_CPOLL);
|
|
ltq_dma_w32_mask(DMA_CHAN_ON, 0, LTQ_DMA_CCTRL);
|
|
}
|
|
+
|
|
+ id = ltq_dma_r32(LTQ_DMA_ID);
|
|
+ dev_info(&pdev->dev,
|
|
+ "Init done - hw rev: %X, ports: %d, channels: %d\n",
|
|
+ id & 0x1f, (id >> 16) & 0xf, id >> 20);
|
|
+
|
|
dev_info(&pdev->dev, "init done\n");
|
|
return 0;
|
|
}
|
|
--
|
|
1.7.10.4
|
|
|