From mboxrd@z Thu Jan 1 00:00:00 1970 From: lrg@slimlogic.co.uk (Liam Girdwood) Date: Thu, 27 Jan 2011 20:42:06 +0000 Subject: [alsa-devel] [PATCH] ASoC: DaVinci: fix kernel panic due to uninitialized platform_data In-Reply-To: <1296136063-31625-1-git-send-email-prakash.pm@ti.com> References: <1296136063-31625-1-git-send-email-prakash.pm@ti.com> Message-ID: <1296160926.3376.56.camel@odin> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, 2011-01-27 at 19:17 +0530, Manjunathappa, Prakash wrote: > This patch fixes the Kernel panic issue on accessing davinci_vc in > cq93vc_probe function. struct davinci_vc is part of platform device's > private driver data(codec->dev->p->driver_data) and this is populated > by DaVinci Voice Codec MFD driver. > > Signed-off-by: Manjunathappa, Prakash > --- > This patch applies to Linus's tree at [1]. > > [1] http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git > --- > sound/soc/codecs/cq93vc.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/sound/soc/codecs/cq93vc.c b/sound/soc/codecs/cq93vc.c > index 46dbfd0..347a567 100644 > --- a/sound/soc/codecs/cq93vc.c > +++ b/sound/soc/codecs/cq93vc.c > @@ -153,7 +153,7 @@ static int cq93vc_resume(struct snd_soc_codec *codec) > > static int cq93vc_probe(struct snd_soc_codec *codec) > { > - struct davinci_vc *davinci_vc = codec->dev->platform_data; > + struct davinci_vc *davinci_vc = snd_soc_codec_get_drvdata(codec); > > davinci_vc->cq93vc.codec = codec; > codec->control_data = davinci_vc; Acked-by: Liam Girdwood -- Freelance Developer, SlimLogic Ltd ASoC and Voltage Regulator Maintainer. http://www.slimlogic.co.uk