Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-25 Thread Pierre Ossman
Manuel Lauss wrote:
> 
> Apparently my HW is broken... I got a hold of a DB1200 demoboard and
> the distributed version works fine there.
> 
> I'm very sorry for the noise!
> 

No problem. Better safe than sorry.

> 
> Aren't people from AMD (now Raza) maintaining it? I have source for this
> driver which also implements SDIO, also from AMD. It's a bit dated (for
> 2.6.11). But I'm willing to look into problems, as long as I have access
> to the hardware.
> 

I have not heard anything from Raza, so I wouldn't even know who to
contact there.

Rgds
-- 
 -- Pierre Ossman

  Linux kernel, MMC maintainerhttp://www.kernel.org
  PulseAudio, core developer  http://pulseaudio.org
  rdesktop, core developer  http://www.rdesktop.org
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-25 Thread Pierre Ossman
Manuel Lauss wrote:
> 
> Actually, the bug is that because of MMC_RSP_R6 not being handled in
> the switch in au1xmmc_send_command(), the controller gets told that
> no response is expected. I changed the R6 to R1 in mmc.h, thats why
> it worked in the demoboard, and it also works now on the previously
> thought-to-be-broken HW.
> 

So in order to detect any similar problems in the future, I'd like a
patch that adds a "default:" to that switch statement.

Rgds
-- 
 -- Pierre Ossman

  Linux kernel, MMC maintainerhttp://www.kernel.org
  PulseAudio, core developer  http://pulseaudio.org
  rdesktop, core developer  http://www.rdesktop.org
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-25 Thread Manuel Lauss
Hi Pierre,
> 
> > HEAD has this fixed. Every spec I can get my hands on states that R1 and
> > R6 have the same format. So it sounds like this controller is doing
> > something stupid.
> 
> Apparently my HW is broken... I got a hold of a DB1200 demoboard and
> the distributed version works fine there.

Actually, the bug is that because of MMC_RSP_R6 not being handled in
the switch in au1xmmc_send_command(), the controller gets told that
no response is expected. I changed the R6 to R1 in mmc.h, thats why
it worked in the demoboard, and it also works now on the previously
thought-to-be-broken HW.

So it's only broken in releases < 2.6.20-rc6.

Thanks,

-- 
 ml.
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-25 Thread Manuel Lauss
Hi Pierre,
 
  HEAD has this fixed. Every spec I can get my hands on states that R1 and
  R6 have the same format. So it sounds like this controller is doing
  something stupid.
 
 Apparently my HW is broken... I got a hold of a DB1200 demoboard and
 the distributed version works fine there.

Actually, the bug is that because of MMC_RSP_R6 not being handled in
the switch in au1xmmc_send_command(), the controller gets told that
no response is expected. I changed the R6 to R1 in mmc.h, thats why
it worked in the demoboard, and it also works now on the previously
thought-to-be-broken HW.

So it's only broken in releases  2.6.20-rc6.

Thanks,

-- 
 ml.
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-25 Thread Pierre Ossman
Manuel Lauss wrote:
 
 Actually, the bug is that because of MMC_RSP_R6 not being handled in
 the switch in au1xmmc_send_command(), the controller gets told that
 no response is expected. I changed the R6 to R1 in mmc.h, thats why
 it worked in the demoboard, and it also works now on the previously
 thought-to-be-broken HW.
 

So in order to detect any similar problems in the future, I'd like a
patch that adds a default: to that switch statement.

Rgds
-- 
 -- Pierre Ossman

  Linux kernel, MMC maintainerhttp://www.kernel.org
  PulseAudio, core developer  http://pulseaudio.org
  rdesktop, core developer  http://www.rdesktop.org
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-25 Thread Pierre Ossman
Manuel Lauss wrote:
 
 Apparently my HW is broken... I got a hold of a DB1200 demoboard and
 the distributed version works fine there.
 
 I'm very sorry for the noise!
 

No problem. Better safe than sorry.

 
 Aren't people from AMD (now Raza) maintaining it? I have source for this
 driver which also implements SDIO, also from AMD. It's a bit dated (for
 2.6.11). But I'm willing to look into problems, as long as I have access
 to the hardware.
 

I have not heard anything from Raza, so I wouldn't even know who to
contact there.

Rgds
-- 
 -- Pierre Ossman

  Linux kernel, MMC maintainerhttp://www.kernel.org
  PulseAudio, core developer  http://pulseaudio.org
  rdesktop, core developer  http://www.rdesktop.org
-
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-24 Thread Manuel Lauss
Hi Pierre,

> HEAD has this fixed. Every spec I can get my hands on states that R1 and
> R6 have the same format. So it sounds like this controller is doing
> something stupid.

Apparently my HW is broken... I got a hold of a DB1200 demoboard and
the distributed version works fine there.

I'm very sorry for the noise!

> On a related note... Would you, or anyone else you know, be willing to
> sign up as official maintainer of this driver? Otherwise I'll have to
> mark it as unmaintained.

Aren't people from AMD (now Raza) maintaining it? I have source for this
driver which also implements SDIO, also from AMD. It's a bit dated (for
2.6.11). But I'm willing to look into problems, as long as I have access
to the hardware.

Thanks for your time,

-- 
 ml.
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-24 Thread Pierre Ossman
Manuel Lauss wrote:
> 
> not in my version of 2.6.20-rc5 (and 2.6.19):
> 

HEAD has this fixed. Every spec I can get my hands on states that R1 and
R6 have the same format. So it sounds like this controller is doing
something stupid.

> 
> Without the patch, SD card detection stops with CMD7 returning error.
> 

Can I see a dump with MMC_DEBUG enabled?

On a related note... Would you, or anyone else you know, be willing to
sign up as official maintainer of this driver? Otherwise I'll have to
mark it as unmaintained.

Rgds
-- 
 -- Pierre Ossman

  Linux kernel, MMC maintainerhttp://www.kernel.org
  PulseAudio, core developer  http://pulseaudio.org
  rdesktop, core developer  http://www.rdesktop.org
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-24 Thread Pierre Ossman
Manuel Lauss wrote:
 
 not in my version of 2.6.20-rc5 (and 2.6.19):
 

HEAD has this fixed. Every spec I can get my hands on states that R1 and
R6 have the same format. So it sounds like this controller is doing
something stupid.

 
 Without the patch, SD card detection stops with CMD7 returning error.
 

Can I see a dump with MMC_DEBUG enabled?

On a related note... Would you, or anyone else you know, be willing to
sign up as official maintainer of this driver? Otherwise I'll have to
mark it as unmaintained.

Rgds
-- 
 -- Pierre Ossman

  Linux kernel, MMC maintainerhttp://www.kernel.org
  PulseAudio, core developer  http://pulseaudio.org
  rdesktop, core developer  http://www.rdesktop.org
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-24 Thread Manuel Lauss
Hi Pierre,

 HEAD has this fixed. Every spec I can get my hands on states that R1 and
 R6 have the same format. So it sounds like this controller is doing
 something stupid.

Apparently my HW is broken... I got a hold of a DB1200 demoboard and
the distributed version works fine there.

I'm very sorry for the noise!

 On a related note... Would you, or anyone else you know, be willing to
 sign up as official maintainer of this driver? Otherwise I'll have to
 mark it as unmaintained.

Aren't people from AMD (now Raza) maintaining it? I have source for this
driver which also implements SDIO, also from AMD. It's a bit dated (for
2.6.11). But I'm willing to look into problems, as long as I have access
to the hardware.

Thanks for your time,

-- 
 ml.
-
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the body of a message to [EMAIL PROTECTED]
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-23 Thread Manuel Lauss
On Wed, Jan 24, 2007 at 06:52:02AM +0100, Manuel Lauss wrote:
> On Tue, Jan 23, 2007 at 07:56:51PM +0100, Pierre Ossman wrote:
> > > here's a trivial patch which adds R6 reponse support to the au1xmmc
> > > driver. Fixes SD card detection / operation.
> > > 
> > NAK. MMC_RSP_R1 and MMC_RSP_R6 have the same value so this will break
> > the switch.
> 
> not in my version of 2.6.20-rc5 (and 2.6.19):
> 
> #define MMC_RSP_R1(MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
> #define MMC_RSP_R6(MMC_RSP_PRESENT|MMC_RSP_CRC)
> 
> Without the patch, SD card detection stops with CMD7 returning error.

Correction: it fails at SD_SEND_RELATIVE_ADDR (it's the only command
which request R6 response)

-- 
 ml.
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-23 Thread Manuel Lauss
On Tue, Jan 23, 2007 at 07:56:51PM +0100, Pierre Ossman wrote:
> > here's a trivial patch which adds R6 reponse support to the au1xmmc
> > driver. Fixes SD card detection / operation.
> > 
> NAK. MMC_RSP_R1 and MMC_RSP_R6 have the same value so this will break
> the switch.

not in my version of 2.6.20-rc5 (and 2.6.19):

#define MMC_RSP_R1  (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define MMC_RSP_R6  (MMC_RSP_PRESENT|MMC_RSP_CRC)

Without the patch, SD card detection stops with CMD7 returning error.

Thanks,

-- 
 mll.
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-23 Thread Pierre Ossman
Manuel Lauss wrote:
> Hi,
> 
> here's a trivial patch which adds R6 reponse support to the au1xmmc
> driver. Fixes SD card detection / operation.
> 

NAK. MMC_RSP_R1 and MMC_RSP_R6 have the same value so this will break
the switch.

Rgds
-- 
 -- Pierre Ossman

  Linux kernel, MMC maintainerhttp://www.kernel.org
  PulseAudio, core developer  http://pulseaudio.org
  rdesktop, core developer  http://www.rdesktop.org
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[PATCH] MMC: au1xmmc R6 response support

2007-01-23 Thread Manuel Lauss
Hi,

here's a trivial patch which adds R6 reponse support to the au1xmmc
driver. Fixes SD card detection / operation.

---

Add Response type R6 support to the au1xmmc driver; fixes SD card
detection and operation.

Signed-off-by: Manuel Lauss <[EMAIL PROTECTED]>

--- a/drivers/mmc/au1xmmc.c~2007-01-23 10:52:33.771983000 +0100
+++ b/drivers/mmc/au1xmmc.c 2007-01-23 10:52:33.771983000 +0100
@@ -205,6 +205,9 @@ static int au1xmmc_send_command(struct a
case MMC_RSP_R3:
mmccmd |= SD_CMD_RT_3;
break;
+   case MMC_RSP_R6:
+   mmccmd |= SD_CMD_RT_6;
+   break;
}
 
switch(cmd->opcode) {
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-23 Thread Pierre Ossman
Manuel Lauss wrote:
 Hi,
 
 here's a trivial patch which adds R6 reponse support to the au1xmmc
 driver. Fixes SD card detection / operation.
 

NAK. MMC_RSP_R1 and MMC_RSP_R6 have the same value so this will break
the switch.

Rgds
-- 
 -- Pierre Ossman

  Linux kernel, MMC maintainerhttp://www.kernel.org
  PulseAudio, core developer  http://pulseaudio.org
  rdesktop, core developer  http://www.rdesktop.org
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-23 Thread Manuel Lauss
On Tue, Jan 23, 2007 at 07:56:51PM +0100, Pierre Ossman wrote:
  here's a trivial patch which adds R6 reponse support to the au1xmmc
  driver. Fixes SD card detection / operation.
  
 NAK. MMC_RSP_R1 and MMC_RSP_R6 have the same value so this will break
 the switch.

not in my version of 2.6.20-rc5 (and 2.6.19):

#define MMC_RSP_R1  (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define MMC_RSP_R6  (MMC_RSP_PRESENT|MMC_RSP_CRC)

Without the patch, SD card detection stops with CMD7 returning error.

Thanks,

-- 
 mll.
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Re: [PATCH] MMC: au1xmmc R6 response support

2007-01-23 Thread Manuel Lauss
On Wed, Jan 24, 2007 at 06:52:02AM +0100, Manuel Lauss wrote:
 On Tue, Jan 23, 2007 at 07:56:51PM +0100, Pierre Ossman wrote:
   here's a trivial patch which adds R6 reponse support to the au1xmmc
   driver. Fixes SD card detection / operation.
   
  NAK. MMC_RSP_R1 and MMC_RSP_R6 have the same value so this will break
  the switch.
 
 not in my version of 2.6.20-rc5 (and 2.6.19):
 
 #define MMC_RSP_R1(MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
 #define MMC_RSP_R6(MMC_RSP_PRESENT|MMC_RSP_CRC)
 
 Without the patch, SD card detection stops with CMD7 returning error.

Correction: it fails at SD_SEND_RELATIVE_ADDR (it's the only command
which request R6 response)

-- 
 ml.
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[PATCH] MMC: au1xmmc R6 response support

2007-01-23 Thread Manuel Lauss
Hi,

here's a trivial patch which adds R6 reponse support to the au1xmmc
driver. Fixes SD card detection / operation.

---

Add Response type R6 support to the au1xmmc driver; fixes SD card
detection and operation.

Signed-off-by: Manuel Lauss [EMAIL PROTECTED]

--- a/drivers/mmc/au1xmmc.c~2007-01-23 10:52:33.771983000 +0100
+++ b/drivers/mmc/au1xmmc.c 2007-01-23 10:52:33.771983000 +0100
@@ -205,6 +205,9 @@ static int au1xmmc_send_command(struct a
case MMC_RSP_R3:
mmccmd |= SD_CMD_RT_3;
break;
+   case MMC_RSP_R6:
+   mmccmd |= SD_CMD_RT_6;
+   break;
}
 
switch(cmd-opcode) {
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