Re: [PATCH RESEND] omap : nand : fix subpage ecc issue with prefetch

2011-05-12 Thread Artem Bityutskiy
On Wed, 2011-05-11 at 21:17 +0530, Kishore Kadiyala wrote: When reading/writing a subpage (When HW ECC is not available/enabled) for number of bytes not aligned to 4, the mis-aligned bytes are handled first (by cpu copy method) before enabling the Prefetch engine to/from 'p'(start of buffer

[PATCH RESEND] omap : nand : fix subpage ecc issue with prefetch

2011-05-11 Thread Kishore Kadiyala
When reading/writing a subpage (When HW ECC is not available/enabled) for number of bytes not aligned to 4, the mis-aligned bytes are handled first (by cpu copy method) before enabling the Prefetch engine to/from 'p'(start of buffer 'buf'). Then it reads/writes rest of the bytes with the help of

[PATCH RESEND] omap : nand : fix subpage ecc issue with prefetch

2011-05-11 Thread Kishore Kadiyala
When reading/writing a subpage (When HW ECC is not available/enabled) for number of bytes not aligned to 4, the mis-aligned bytes are handled first (by cpu copy method) before enabling the Prefetch engine to/from 'p'(start of buffer 'buf'). Then it reads/writes rest of the bytes with the help of

Re: [stable] [PATCH RESEND] omap : nand : fix subpage ecc issue with prefetch

2011-05-11 Thread Kishore Kadiyala
On Wed, May 11, 2011 at 8:24 PM, Greg KH g...@kroah.com wrote: On Wed, May 11, 2011 at 07:54:57PM +0530, Kishore Kadiyala wrote: When reading/writing a subpage (When HW ECC is not available/enabled) for number of bytes not aligned to 4, the mis-aligned bytes are handled first (by cpu copy

Re: [stable] [PATCH RESEND] omap : nand : fix subpage ecc issue with prefetch

2011-05-11 Thread Greg KH
On Wed, May 11, 2011 at 07:54:57PM +0530, Kishore Kadiyala wrote: When reading/writing a subpage (When HW ECC is not available/enabled) for number of bytes not aligned to 4, the mis-aligned bytes are handled first (by cpu copy method) before enabling the Prefetch engine to/from 'p'(start of

Re: [PATCH RESEND] omap : nand : fix subpage ecc issue with prefetch

2011-05-11 Thread Kishore Kadiyala
Oops forgot to CC sta...@kernel.org, posting again without any changes. Regards, Kishore On Mon, May 9, 2011 at 7:51 PM, Kishore Kadiyala kishore.kadiy...@ti.com wrote: When reading/writing a subpage (When HW ECC is not available/enabled) for number of bytes not aligned to 4, the mis-aligned

[PATCH RESEND] omap : nand : fix subpage ecc issue with prefetch

2011-05-09 Thread Kishore Kadiyala
When reading/writing a subpage (When HW ECC is not available/enabled) for number of bytes not aligned to 4, the mis-aligned bytes are handled first (by cpu copy method) before enabling the Prefetch engine to/from 'p'(start of buffer 'buf'). Then it reads/writes rest of the bytes with the help of