brcm2708: remove linux 4.4 support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 0 insertions, 70 deletions

diff --git a/target/linux/brcm2708/patches-4.4/0312-Revert-bcm2835-interpolate-audio-delay.patch b/target/linux/brcm2708/patches-4.4/0312-Revert-bcm2835-interpolate-audio-delay.patch
deleted file mode 100644
index 66e06abd42..0000000000
--- a/target/linux/brcm2708/patches-4.4/0312-Revert-bcm2835-interpolate-audio-delay.patch
+++ /dev/null
@@ -1,70 +0,0 @@
-From 168e9978c48f0bc90618b6bb1de412a87f97805d Mon Sep 17 00:00:00 2001
-From: popcornmix <popcornmix@gmail.com>
-Date: Fri, 29 Apr 2016 17:27:37 +0100
-Subject: [PATCH] Revert "bcm2835: interpolate audio delay"
-
-This reverts commit 83eca613d0eddd2c8299f114b8fe573ccaffdefc.
----
- sound/arm/bcm2835-pcm.c | 12 +-----------
- sound/arm/bcm2835.h     |  1 -
- 2 files changed, 1 insertion(+), 12 deletions(-)
-
---- a/sound/arm/bcm2835-pcm.c
-+++ b/sound/arm/bcm2835-pcm.c
-@@ -25,7 +25,7 @@
- /* hardware definition */
- static struct snd_pcm_hardware snd_bcm2835_playback_hw = {
- 	.info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
--		 SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BATCH),
-+		 SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID),
- 	.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
- 	.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
- 	.rate_min = 8000,
-@@ -99,8 +99,6 @@ static irqreturn_t bcm2835_playback_fifo
- 		alsa_stream->pos %= alsa_stream->buffer_size;
- 	}
- 
--	alsa_stream->interpolate_start = ktime_get_ns();
--
- 	if (alsa_stream->substream) {
- 		if (new_period)
- 			snd_pcm_period_elapsed(alsa_stream->substream);
-@@ -401,7 +399,6 @@ static int snd_bcm2835_pcm_prepare(struc
- 	alsa_stream->buffer_size = snd_pcm_lib_buffer_bytes(substream);
- 	alsa_stream->period_size = snd_pcm_lib_period_bytes(substream);
- 	alsa_stream->pos = 0;
--	alsa_stream->interpolate_start = ktime_get_ns();
- 
- 	audio_debug("buffer_size=%d, period_size=%d pos=%d frame_bits=%d\n",
- 		      alsa_stream->buffer_size, alsa_stream->period_size,
-@@ -498,7 +495,6 @@ snd_bcm2835_pcm_pointer(struct snd_pcm_s
- {
- 	struct snd_pcm_runtime *runtime = substream->runtime;
- 	bcm2835_alsa_stream_t *alsa_stream = runtime->private_data;
--	u64 now = ktime_get_ns();
- 
- 	audio_info(" .. IN\n");
- 
-@@ -507,12 +503,6 @@ snd_bcm2835_pcm_pointer(struct snd_pcm_s
- 		      frames_to_bytes(runtime, runtime->control->appl_ptr),
- 		      alsa_stream->pos);
- 
--	/* Give userspace better delay reporting by interpolating between GPU
--	 * notifications, assuming audio speed is close enough to the clock
--	 * used for ktime */
--	if (alsa_stream->interpolate_start && alsa_stream->interpolate_start < now)
--		runtime->delay = -(int)div_u64((now - alsa_stream->interpolate_start) * runtime->rate,  1000000000);
--
- 	audio_info(" .. OUT\n");
- 	return snd_pcm_indirect_playback_pointer(substream,
- 						 &alsa_stream->pcm_indirect,
---- a/sound/arm/bcm2835.h
-+++ b/sound/arm/bcm2835.h
-@@ -137,7 +137,6 @@ typedef struct bcm2835_alsa_stream {
- 	unsigned int pos;
- 	unsigned int buffer_size;
- 	unsigned int period_size;
--	u64 interpolate_start;
- 
- 	uint32_t enable_fifo_irq;
- 	irq_handler_t fifo_irq_handler;