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[ Upstream commit9ec5128a8b] The spec recommends that for transfer length larger than the max-single-cmd attribute (bMAX_DATA_SIZE_FOR_HPB_SINGLE_CMD) it is possible to couple pre-requests with the HPB-READ command. Being a recommendation, using pre-requests can be perceived merely as a means of optimization. A common practice was to send pre-requests for chunks within some interval, and leave the READ10 untouched if larger. Now that the pre-request flows have been removed, all the commands are single commands. Properly handle this attribute and do not send HPB-READ for transfer lengths larger than max-single-cmd. [mkp: resolve conflict] Fixes:09d9e4d041("scsi: ufs: ufshpb: Remove HPB2.0 flows") Link: https://lore.kernel.org/r/20211031123654.17719-1-avri.altman@wdc.com Reviewed-by: Daejun Park <daejun7.park@samsung.com> Signed-off-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.