[PATCH] Revert "drivers: scsi: fix inaccurate block count reporting in scsi operations"

[Balaji Selvanathan]

On 12/19/2025 9:59 PM, Tom Rini wrote:
> On Fri, Dec 19, 2025 at 11:04:07AM +0530, Balaji Selvanathan wrote:
>> Hi Tom,
>>
>> Apologies for late reply. Somehow missed the mail.
>>
>> Upon analysis, it seems the most likely root cause is Tony's 238GB disk
>> triggers the CONFIG_SYS_64BIT_LBA code path in scsi_read function. Any read
>> beyond block 268,435,455 blocks enters this path.
>>
>> 'blks' is decremented both inside the 64-bit LBA block AND after successful
>> scsi_exec(), causing incorrect block count tracking and (most likely) the
>> data abort observed.
>>
>> The fix is to remove 'blks -= blocks;' from inside the CONFIG_SYS_64BIT_LBA
>> block in scsi_read() function.
>>
>> Hi Tony, can you please check with this change?
>>
>> Tom, shall I raise a new patch for this now?
> Thanks for looking in to this now. Yes, please post a proper patch for
> it so Tony can test and add a Tested-by if it works, that'll make
> pulling to master before release easiest.

Hi Tom,

Have posted patch for this: 
https://lore.kernel.org/u-boot/20251222042533.2024310-1-balaji.selvanathan@oss.qualcomm.com/

Regards,

Balaji

>