Am 18.07.2012 14:50, schrieb Marek Vasut:
The commit 5dd95cf93dfffa1d19a1928990852aac9f55b9d9 'usb_storage:
Fix EHCI "out of buffer pointers" with CD-ROM' introduce a bug in
usb_storage as it wrongly assumes that every transfer can use
4096 bytes per qt_buffer. This is wrong if the start address
Dear Stefan Herbrechtsmeier,
> The commit 5dd95cf93dfffa1d19a1928990852aac9f55b9d9 'usb_storage:
> Fix EHCI "out of buffer pointers" with CD-ROM' introduce a bug in
> usb_storage as it wrongly assumes that every transfer can use
> 4096 bytes per qt_buffer. This is wrong if the start address of
> t
Dear Marek,
On Sun, Jul 15, 2012 at 1:51 PM, Marek Vasut wrote:
>
> Thanks! I'm marking this important in my mailbox to avoid missing that we
> need
> to fix this. Ilya, can you check the driver model papers and see if we can
> somehow integrate this into that?
>
>
I will try to.
Regards, Ilya.
Dear Ilya Yanok,
> Dear Marek,
>
> On Sun, Jul 15, 2012 at 12:14 PM, Marek Vasut wrote:
> > > The patch is good in the sense it does fix the real problem. But I
> > > wonder if it's a good idea to expose lower layer details (like
> > > size/number of buffers per EHCI TD) to upper layer driver? I
Dear Wolfgang Denk,
> The commit 5dd95cf93dfffa1d19a1928990852aac9f55b9d9 'usb_storage:
> Fix EHCI "out of buffer pointers" with CD-ROM' introduce a bug in
> usb_storage as it wrongly assumes that every transfer can use
> 4096 bytes per qt_buffer. This is wrong if the start address of
> the data i
Dear Marek,
On Sun, Jul 15, 2012 at 12:14 PM, Marek Vasut wrote:
> > The patch is good in the sense it does fix the real problem. But I wonder
> > if it's a good idea to expose lower layer details (like size/number of
> > buffers per EHCI TD) to upper layer driver? I know EHCI is most common
> U
Dear Ilya Yanok,
> Hi,
>
> The patch is good in the sense it does fix the real problem. But I wonder
> if it's a good idea to expose lower layer details (like size/number of
> buffers per EHCI TD) to upper layer driver? I know EHCI is most common USB
> HCD but we have drivers for a bunch of other
Hi,
The patch is good in the sense it does fix the real problem. But I wonder
if it's a good idea to expose lower layer details (like size/number of
buffers per EHCI TD) to upper layer driver? I know EHCI is most common USB
HCD but we have drivers for a bunch of others... How about them?
Regards,
Dear Stefan Herbrechtsmeier,
> The commit 5dd95cf93dfffa1d19a1928990852aac9f55b9d9 'usb_storage:
> Fix EHCI "out of buffer pointers" with CD-ROM' introduce a bug in
> usb_storage as it wrongly assumes that every transfer can use
> 4096 bytes per qt_buffer. This is wrong if the start address of
> t
The commit 5dd95cf93dfffa1d19a1928990852aac9f55b9d9 'usb_storage:
Fix EHCI "out of buffer pointers" with CD-ROM' introduce a bug in
usb_storage as it wrongly assumes that every transfer can use
4096 bytes per qt_buffer. This is wrong if the start address of
the data is not page aligned to 4096 byte
Dear Stefan Herbrechtsmeier,
> Am 10.07.2012 04:12, schrieb Marek Vasut:
> >> The commit 5dd95cf93dfffa1d19a1928990852aac9f55b9d9 'usb_storage:
> >> Fix EHCI "out of buffer pointers" with CD-ROM' introduce a bug in
> >> usb_storage as it wrongly assumes that every transfer can use
> >> 4096 bytes
Am 10.07.2012 04:12, schrieb Marek Vasut:
The commit 5dd95cf93dfffa1d19a1928990852aac9f55b9d9 'usb_storage:
Fix EHCI "out of buffer pointers" with CD-ROM' introduce a bug in
usb_storage as it wrongly assumes that every transfer can use
4096 bytes per qt_buffer. This is wrong if the start address
Dear Stefan Herbrechtsmeier,
> The commit 5dd95cf93dfffa1d19a1928990852aac9f55b9d9 'usb_storage:
> Fix EHCI "out of buffer pointers" with CD-ROM' introduce a bug in
> usb_storage as it wrongly assumes that every transfer can use
> 4096 bytes per qt_buffer. This is wrong if the start address of
> t
The commit 5dd95cf93dfffa1d19a1928990852aac9f55b9d9 'usb_storage:
Fix EHCI "out of buffer pointers" with CD-ROM' introduce a bug in
usb_storage as it wrongly assumes that every transfer can use
4096 bytes per qt_buffer. This is wrong if the start address of
the data is not page aligned to 4096 byte
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