From 46cecfd6d727f398b568080655a77ea07308053b Mon Sep 17 00:00:00 2001 From: John Crispin Date: Tue, 7 Jun 2016 20:33:35 +0200 Subject: ipg806x: set v4.4 as default Signed-off-by: John Crispin --- ...ake-channel-allocation-callbacks-optional.patch | 62 ---------------------- 1 file changed, 62 deletions(-) delete mode 100644 target/linux/ipq806x/patches-3.18/152-dmaengine-Make-channel-allocation-callbacks-optional.patch (limited to 'target/linux/ipq806x/patches-3.18/152-dmaengine-Make-channel-allocation-callbacks-optional.patch') diff --git a/target/linux/ipq806x/patches-3.18/152-dmaengine-Make-channel-allocation-callbacks-optional.patch b/target/linux/ipq806x/patches-3.18/152-dmaengine-Make-channel-allocation-callbacks-optional.patch deleted file mode 100644 index 63372594d8..0000000000 --- a/target/linux/ipq806x/patches-3.18/152-dmaengine-Make-channel-allocation-callbacks-optional.patch +++ /dev/null @@ -1,62 +0,0 @@ -From c4b54a648e682f678c338619df848233a6babc46 Mon Sep 17 00:00:00 2001 -From: Maxime Ripard -Date: Mon, 17 Nov 2014 14:41:59 +0100 -Subject: [PATCH] dmaengine: Make channel allocation callbacks optional - -Nowadays, some drivers don't have anything in there channel allocation -callbacks anymore. - -Remove the BUG_ON if those callbacks aren't implemented, in order to allow -drivers to not implement them. - -Signed-off-by: Maxime Ripard -Acked-by: Laurent Pinchart -Signed-off-by: Vinod Koul ---- - drivers/dma/dmaengine.c | 18 +++++++++++------- - 1 file changed, 11 insertions(+), 7 deletions(-) - ---- a/drivers/dma/dmaengine.c -+++ b/drivers/dma/dmaengine.c -@@ -235,9 +235,11 @@ static int dma_chan_get(struct dma_chan - return -ENODEV; - - /* allocate upon first client reference */ -- ret = chan->device->device_alloc_chan_resources(chan); -- if (ret < 0) -- goto err_out; -+ if (chan->device->device_alloc_chan_resources) { -+ ret = chan->device->device_alloc_chan_resources(chan); -+ if (ret < 0) -+ goto err_out; -+ } - - if (!dma_has_cap(DMA_PRIVATE, chan->device->cap_mask)) - balance_ref_count(chan); -@@ -259,11 +261,15 @@ err_out: - */ - static void dma_chan_put(struct dma_chan *chan) - { -+ /* This channel is not in use, bail out */ - if (!chan->client_count) -- return; /* this channel failed alloc_chan_resources */ -+ return; -+ - chan->client_count--; - module_put(dma_chan_to_owner(chan)); -- if (chan->client_count == 0) -+ -+ /* This channel is not in use anymore, free it */ -+ if (!chan->client_count && chan->device->device_free_chan_resources) - chan->device->device_free_chan_resources(chan); - } - -@@ -817,8 +823,6 @@ int dma_async_device_register(struct dma - BUG_ON(dma_has_cap(DMA_INTERLEAVE, device->cap_mask) && - !device->device_prep_interleaved_dma); - -- BUG_ON(!device->device_alloc_chan_resources); -- BUG_ON(!device->device_free_chan_resources); - BUG_ON(!device->device_tx_status); - BUG_ON(!device->device_issue_pending); - BUG_ON(!device->dev); -- cgit v1.2.3