From 7003609b3bdf0336c742974bd1ad2d82ffb3b043 Mon Sep 17 00:00:00 2001 From: Cliff Cai Date: Wed, 3 Sep 2008 10:54:36 +0200 Subject: [PATCH] ALSA: add dummy function to support shared mmap in nommu Blackfin arch Cc: Mike Frysinger Signed-off-by: Cliff Cai Signed-off-by: Bryan Wu Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/core/pcm_native.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index df2299a8cefd..e61e12506ded 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -3385,6 +3385,17 @@ out: } #endif /* CONFIG_SND_SUPPORT_OLD_API */ +#ifndef CONFIG_MMU +unsigned long dummy_get_unmapped_area(struct file *file, unsigned long addr, + unsigned long len, unsigned long pgoff, + unsigned long flags) +{ + return 0; +} +#else +# define dummy_get_unmapped_area NULL +#endif + /* * Register section */ @@ -3401,6 +3412,7 @@ const struct file_operations snd_pcm_f_ops[2] = { .compat_ioctl = snd_pcm_ioctl_compat, .mmap = snd_pcm_mmap, .fasync = snd_pcm_fasync, + .get_unmapped_area = dummy_get_unmapped_area, }, { .owner = THIS_MODULE, @@ -3413,5 +3425,6 @@ const struct file_operations snd_pcm_f_ops[2] = { .compat_ioctl = snd_pcm_ioctl_compat, .mmap = snd_pcm_mmap, .fasync = snd_pcm_fasync, + .get_unmapped_area = dummy_get_unmapped_area, } }; -- 2.20.1