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This patch introduces a sysfs group entry for the UFS health descriptor
parameters. The group adds "health_descriptor" folder under the UFS driver
sysfs entry (/sys/bus/platform/drivers/ufshcd/*). The parameters are shown
as hexadecimal numbers. The full information about the parameters could be
found at UFS specifications 2.1.
Change-Id: I059d6be2914dbb58ac337ddf7509f36a534b531f
Signed-off-by: Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Git-commit: c648c2d27f168ae4faeb43f8c3074226aae3862c
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Anjana <ahari@codeaurora.org>
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"bBootLunEn" attribute value decides the active Boot LUN but there could
be a case where userspace may want to change it during image update.
This change allows writing to this parameter.
Change-Id: I6e8d630606d8caf6197ef662003ec1ee646afe81
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
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This patch adds a new debugfs capability to collect query statistics.
It counts how many times each IDN (index) was sent to device for each
query opcode.
A usage example:
1. to clean current query statistics:
echo 1 > /d/ufshcd0/stats/query_stats
2. to dump the current query statistics:
cat /d/ufshcd0/stats/query_stats
This capability is always on, and can not be turned off.
Change-Id: I46ec405aae480c0dc161dca015b407bde6335cf7
Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
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This patch exposes the ioctl interface for UFS
driver via SCSI device ioctl interface. As of
now UFS driver would provide the ioctl for query
interface to connected UFS device.
Change-Id: Ib8301a69550408bfcb5fc85bb9c0498450c8cc31
Signed-off-by: Dolev Raviv <draviv@codeaurora.org>
Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>
[subhashj@codeaurora.org: resolved trivial merge conflicts]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
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