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From: Christian Hartmann <cornogle@googlemail.com>
To: Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org, mika.westerberg@linux.intel.com,
	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
	Haojian Zhuang <haojian.zhuang@gmail.com>,
	linux-spi@vger.kernel.org, jarkko.nikula@linux.intel.com,
	Daniel Mack <daniel@zonque.org>,
	Charles Keepax <ckeepax@opensource.wolfsonmicro.com>,
	Robert Jarzmik <robert.jarzmik@free.fr>,
	dan.carpenter@oracle.com
Subject: Re: Fwd: [PATCH 1/1] SPI : spi-pxa2xx : fix spi init of WM510205 codec via ACPI (resend)
Date: Fri, 17 Jul 2015 09:11:07 +0200	[thread overview]
Message-ID: <CAKor6TcTrTzcf3u=UVoP9rkFS0cQYNWUBT1HEsWnTJfwoTKuEg@mail.gmail.com> (raw)
In-Reply-To: <CAKor6TcSc7n=Rd9NJAf-6cYXr50Z62cbcsbuaEutRMPAiM=2NQ@mail.gmail.com>

Hi,

I had already asked about the pxa2xx and the PIO mode (aka no DMA
channels available).
If I remember correctly, it does not need DMA at all.

Otherwise I see later in dmesg the DesignWare DMA Controller (2x) à 8 channels.

Is the pxa2xx not using the DMA mode cause the Designware controllers
are initialized later??
Or has this nothing to do with it at all ? Still interested...

snip of dmesg:
[    6.164409] pxa2xx-spi 80860F0E:00: no DMA channels available, using PIO
[    6.164485] pxa2xx-spi 80860F0E:00: registered master spi32766 (dynamic)
[    6.165020] spi spi-WM510205:00: 8333333 Hz actual, PIO
[    6.165028] spi spi-WM510205:00: setup mode 0, 8 bits/w, 8000000 Hz max --> 0
...
[    6.392552] dw_dmac INTL9C60:00: DesignWare DMA Controller, 8 channels
[    6.396310] dw_dmac INTL9C60:01: DesignWare DMA Controller, 8 channels


so far
chris
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  reply	other threads:[~2015-07-17  7:11 UTC|newest]

Thread overview: 79+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAKor6TfKws63jh6f3VzyYpmTffL4-DHWDTdJ6GSgDC08C5W=8w@mail.gmail.com>
     [not found] ` <20150625073618.GH827@lahna.fi.intel.com>
     [not found]   ` <20150625073618.GH827-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-06-25 12:18     ` Fwd: [alsa-devel] [PATCH 1/1] SPI : spi-pxa2xx : fix spi init of WM510205 codec via ACPI (resend) Christian Hartmann
     [not found]       ` <CAKor6TfxNW6UW6iX_FkRn2yZOHvdRHcsj6pKoKH-UWU51Bqvvg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-25 14:01         ` Mika Westerberg
2015-06-25 14:58         ` Mark Brown
     [not found]           ` <20150625145853.GP14071-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-06-25 15:44             ` Charles Keepax
     [not found]               ` <20150625154407.GE6321-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2015-06-25 15:56                 ` Mark Brown
     [not found]                   ` <20150625155612.GS14071-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-06-25 16:11                     ` Charles Keepax
     [not found]                       ` <20150625161108.GF6321-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2015-06-29  9:44                         ` Mark Brown
2015-06-29  8:12                     ` Christian Hartmann
     [not found]                       ` <CAKor6TdZNTLnhxpruqDxe4nQsDL+e6xgVHOtVdz4LuFisKNsoQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-29  8:35                         ` Charles Keepax
2015-06-26 11:46                 ` [alsa-devel] Fwd: " Pierre-Louis Bossart
     [not found]                   ` <558D3BAA.3080700-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-06-26 11:58                     ` Mark Brown
     [not found]                       ` <20150626115823.GY14071-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-06-29  7:27                         ` Christian Hartmann
     [not found]                           ` <CAKor6Tf20eC1WQSO=AV2b+XoB5Qv-2Oin_nrrTJUiDV4czxLjA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-29  7:46                             ` Christian Hartmann
     [not found]                               ` <CAKor6TdzzAqG1yNtqkWftdvNo8_bxC=qnU+60rgiM=38qrJ2yQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-29 10:22                                 ` Mark Brown
2015-06-29  9:48                             ` Mark Brown
     [not found]                               ` <20150629094854.GB11162-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-06-30  7:14                                 ` Christian Hartmann
     [not found]                                   ` <CAKor6TdDPb2qOgdHbeX2w+yQa_ioDM5ak9bk+=jF+cKt_twiXw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-30  9:25                                     ` Mark Brown
2015-06-30 10:34                                     ` Charles Keepax
     [not found]                                       ` <20150630103404.GI6321-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2015-07-07  7:06                                         ` Christian Hartmann
     [not found]                                           ` <CAKor6TdKk2OUz4o12RiQBSVZyhD=L4JpBJcYkGE=_6X+ZeQY_g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-07  9:56                                             ` Charles Keepax
     [not found]                                               ` <20150707095613.GG16517-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2015-07-07 11:40                                                 ` Mark Brown
2015-07-07 12:16                                             ` Charles Keepax
2015-07-13  9:53                                             ` Charles Keepax
     [not found]                                               ` <20150713095359.GM16517-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2015-07-15  7:01                                                 ` Christian Hartmann
     [not found]                                                   ` <CAKor6Td83zgOS+iHGHGhFW4n26H=tC-QQDuzaHHfybhLeH-jvw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-15  7:17                                                     ` Christian Hartmann
     [not found]                                                       ` <CAKor6TdheYM73aqti362bOnP2GZmX60uuDY5v2eow1vqO9tcKw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-15  8:12                                                         ` Charles Keepax
     [not found]                                                           ` <20150715081224.GN16517-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2015-07-15  9:17                                                             ` Mark Brown
     [not found]                                                               ` <20150715091709.GK11162-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-07-17  6:56                                                                 ` Christian Hartmann
2015-07-17  7:11                                                                   ` Christian Hartmann [this message]
     [not found]                                                                   ` <CAKor6TcSc7n=Rd9NJAf-6cYXr50Z62cbcsbuaEutRMPAiM=2NQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-17  8:54                                                                     ` Charles Keepax
2015-08-10  7:00                                                                       ` Christian Hartmann
     [not found]                                                                         ` <CAKor6Tcof3PA3JGD2=4X8mtSak8ka9BVD2L4zdYC4M1yEYEXjg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-10  7:53                                                                           ` [alsa-devel] " Charles Keepax
2015-08-10  8:00                                                                         ` Christian Hartmann
     [not found]                                                                           ` <CAKor6TdLkGZbARmV1CfqUiguH8HAD+oC8VSsH_OkNQ6E-7YVAw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-10  8:10                                                                             ` [alsa-devel] " Charles Keepax
2015-08-10  8:35                                                                               ` Mika Westerberg
     [not found]                                                                                 ` <20150810083540.GE1540-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-08-10  9:20                                                                                   ` [alsa-devel] " Christian Hartmann
     [not found]                                                                                     ` <CAKor6TfZC3AY0p-85mFAUJJYQ360NoDu6AppipSqAD73S_EkzQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-10  9:26                                                                                       ` Mika Westerberg
     [not found]                                                                                         ` <20150810092632.GA1541-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-08-10 12:43                                                                                           ` Christian Hartmann
2015-08-10 13:48                                                                                   ` Christian Hartmann
     [not found]                                                                                     ` <CAKor6Tc26kKG-7ytxBjT41S1h4eORoeTg_T=nZ4dZGM1H0gAMQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-10 14:02                                                                                       ` Mika Westerberg
     [not found]                                                                                         ` <20150810140207.GB1541-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-08-14 10:08                                                                                           ` Christian Hartmann
     [not found]                                                                                             ` <CAKor6TdKrQrvXTPU=fzL9LTCBbyc9WAbLnYdObY+Wu73g1w6Fg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-19 10:29                                                                                               ` Christian Hartmann
     [not found]                                                                                                 ` <CAKor6Tep1jjOnoPn7e5Djird3RVDNP8Gjcb8HOKO6g-_R5++VQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-19 13:43                                                                                                   ` Mika Westerberg
     [not found]                                                                                                     ` <20150819134328.GU1552-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-08-20  9:38                                                                                                       ` Christian Hartmann
     [not found]                                                                                                         ` <CAKor6Tc6RDW+2uuX2yMszk3O69=6QTPdd+emC-m_Cro67VPR8g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-20  9:45                                                                                                           ` Mika Westerberg
     [not found]                                                                                                             ` <20150820094542.GC30005-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-08-20 11:34                                                                                                               ` Christian Hartmann
     [not found]                                                                                                                 ` <CAKor6Te-DSDxx711-EQi=fw46nNPGnQNqhj-+6upBxhOOp5XvA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-20 11:52                                                                                                                   ` Christian Hartmann
2015-08-20 11:58                                                                                                                   ` Mika Westerberg
     [not found]                                                                                                                     ` <20150820115845.GF30005-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-08-21  7:31                                                                                                                       ` Christian Hartmann
     [not found]                                                                                                                         ` <CAKor6Teq=Aoa6WYkTEVpjBPsWziL-o5FzQHxJWOMeaTrMzXpMg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-21  7:43                                                                                                                           ` Mika Westerberg
     [not found]                                                                                                                             ` <20150821074310.GM30005-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-08-21 12:09                                                                                                                               ` Christian Hartmann
     [not found]                                                                                                                                 ` <CAKor6TeJp4ti6_QVCEpz0x7c2NwvUiS5wq_=_WDjM3B7T4=1Yg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-21 12:33                                                                                                                                   ` Christian Hartmann
2015-08-24  8:51                                                                                                                                 ` Charles Keepax
2015-08-24 13:25                                                                                                                                   ` Christian Hartmann
     [not found]                                                                                                                                     ` <CAKor6TcRWgn-Z+Va0JKCBqxVA9HBSLMR_vh-z8MSBZebn9kDVg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-25  6:21                                                                                                                                       ` [alsa-devel] " Mark Brown
     [not found]                                                                                                                                         ` <20150825062157.GB27431-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-08-26  8:47                                                                                                                                           ` Christian Hartmann
     [not found]                                                                                                                                             ` <CAKor6Tf_8J4DVrVRShw2ked-zJzmP6G1P1i=vTcbzWX-J1H6dQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-26  8:58                                                                                                                                               ` Christian Hartmann
2015-08-26  9:13                                                                                                                                                 ` Charles Keepax
2015-08-28  7:22                                                                                                                                                   ` [alsa-devel] " Christian Hartmann
     [not found]                                                                                                                                                 ` <CAKor6TfpWuhTG6dfARdHmXEb+bLpm5Q6Z-A0g60VPD2fCWHbOg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-26 10:01                                                                                                                                                   ` Mika Westerberg
     [not found]                                                                                                                                                     ` <20150826100155.GA1513-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-08-27 11:44                                                                                                                                                       ` Christian Hartmann
2015-08-27 11:59                                                                                                                                                         ` Mika Westerberg
     [not found]                                                                                                                                                           ` <20150827115914.GF28428-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-08-27 14:56                                                                                                                                                             ` [alsa-devel] " Mark Brown
     [not found]                                                                                                                                                               ` <20150827145614.GC5313-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-08-28  9:00                                                                                                                                                                 ` Mika Westerberg
2015-08-28  9:07                                                                                                                                                                   ` Richard Fitzgerald
     [not found]                                                                                                                                                                     ` <1440752855.25096.3.camel-WeElTRBN8n0bEPBeyYQi64iQ8/zYDDdY1BehtkLrGTY@public.gmane.org>
2015-08-28  9:12                                                                                                                                                                       ` [alsa-devel] " Mika Westerberg
     [not found]                                                                                                                                                                   ` <20150828090042.GI28428-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2015-08-28  9:16                                                                                                                                                                     ` Mark Brown
     [not found]                                                                                                                                                               ` <CAKor6Tf8kB0WPXLTBFmCzUJkMVEDu-xTEyw0-_NZvBdFSyQSFA@mail.gmail.com>
     [not found]                                                                                                                                                                 ` <CAKor6Tf8kB0WPXLTBFmCzUJkMVEDu-xTEyw0-_NZvBdFSyQSFA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-28  9:50                                                                                                                                                                   ` Fwd: " Christian Hartmann
     [not found]                                                                                                                                                                     ` <CAKor6TfW4reRz3m-xkCr_ZUfHQkfqT3q+S7JCpO-9F+k1QW38g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-01  9:45                                                                                                                                                                       ` Christian Hartmann
     [not found]                                                                                                                                                                         ` <CAKor6Tf7_Hiyc1v_TGvdVAU+G84Gp+KgKeSGi8EQJRoq9rhMuw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-02  8:13                                                                                                                                                                           ` Charles Keepax
2015-09-02  8:13                                                                                                                                                                             ` Charles Keepax
2015-09-04 13:32                                                                                                                                                                             ` Christian Hartmann
2015-09-04 14:34                                                                                                                                                                               ` Charles Keepax
     [not found]                                                                                                                                                                                 ` <20150904143434.GA1514-ARjQNJ2nNhTg0ogRn3sK4gTTu0opVTaCmpATvIKMPHk@public.gmane.org>
2015-09-07  7:58                                                                                                                                                                                   ` [alsa-devel] " Christian Hartmann
     [not found]                                                                                                                                                                                     ` <CAKor6TfhaHfqkmz-dogJ6dEUe06QFv-ee7uPOLiEGSTh3ibkhQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-28  9:08                                                                                                                                                                                       ` Charles Keepax
2015-09-28  9:08                                                                                                                                                                                         ` Charles Keepax
2015-09-29  7:48                                                                                                                                                                                         ` Christian Hartmann
2015-09-29  7:57                                                                                                                                                                                           ` Charles Keepax
2015-10-05 10:54                                                                                                                                                                                             ` Christian Hartmann

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