linux-kernel - [PATCH 1/4] DMAENGINE: ste_dma40: fix disabled channels list

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Date:	Wed, 6 Oct 2010 10:20:35 +0200
From:	Linus Walleij <linus.walleij@...ricsson.com>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	<linux-kernel@...r.kernel.org>,
	Rabin Vincent <rabin.vincent@...ricsson.com>,
	Linus Walleij <linus.walleij@...ricsson.com>
Subject: [PATCH 1/4] DMAENGINE: ste_dma40: fix disabled channels list

From: Rabin Vincent <rabin.vincent@...ricsson.com>

The value in the array, not the index, specifies the channel to be
disabled.

Acked-by: Jonas Aaberg <jonas.aberg@...ricsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@...ricsson.com>
Signed-off-by: Linus Walleij <linus.walleij@...ricsson.com>
---
 drivers/dma/ste_dma40.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 05d0a99..2f73e36 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2449,9 +2449,11 @@ static int __init d40_phy_res_init(struct d40_base *base)
 
 	/* Mark disabled channels as occupied */
 	for (i = 0; base->plat_data->disabled_channels[i] != -1; i++) {
-			base->phy_res[i].allocated_src = D40_ALLOC_PHY;
-			base->phy_res[i].allocated_dst = D40_ALLOC_PHY;
-			num_phy_chans_avail--;
+		int chan = base->plat_data->disabled_channels[i];
+
+		base->phy_res[chan].allocated_src = D40_ALLOC_PHY;
+		base->phy_res[chan].allocated_dst = D40_ALLOC_PHY;
+		num_phy_chans_avail--;
 	}
 
 	dev_info(base->dev, "%d of %d physical DMA channels available\n",
-- 
1.6.3.3

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