linux-kernel - [PATCH v4 0/1] Remove support for legacy UFS

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Message-ID: <20240410183720.908-1-avri.altman@wdc.com>
Date: Wed, 10 Apr 2024 21:37:18 +0300
From: Avri Altman <avri.altman@....com>
To: "James E . J . Bottomley" <jejb@...ux.ibm.com>,
	"Martin K . Petersen" <martin.petersen@...cle.com>
Cc: Christoph Hellwig <hch@...radead.org>,
	Bart Van Assche <bvanassche@....org>,
	Bean Huo <beanhuo@...ron.com>,
	linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Avri Altman <avri.altman@....com>
Subject: [PATCH v4 0/1] Remove support for legacy UFS

UFS1.0 and UFS1.1, published in the early 2010s, were more of a proof of
concept rather than a mature functional spec. Toshiba was the only
device manufacturer with the most accomplished phy team to come up with
a small UFS1.0 device. Alas, there were no commercial platforms it can
be paired with. Even UFS2.0 that was published in 2013, didn't really
make it to the market: too moot to take effect. It's not until UFS2.1
that was published in 2016, were a myriad of devices and platforms
flooded the market. Designated to mobile devices, dictates a rapid short
lives for those platforms. Hence, we can safely remove those pre-UFS2.0
pieces of code.

Changes from v2:
 - Make it clear that UFSHCI2.0 is not included in this change (Bart).

Changes from v2:
 - leave UFSHCI2.0 out of this change (Bart).

Changes from v1:
 - remove ufshcd_get_local_unipro_ver which practically mean squashing
   patch 1 & 2 into a single patch (Christoph)
 - restore an if clause to avoid functional change in
   ufshcd_compl_one_cqe (Bart)

Avri Altman (1):
  scsi: ufs: Remove support for old UFSHCI versions

 drivers/ufs/core/ufshcd.c   | 158 +++---------------------------------
 drivers/ufs/host/ufs-qcom.c |   3 +-
 include/ufs/ufshcd.h        |   2 -
 include/ufs/ufshci.h        |  13 +--
 4 files changed, 15 insertions(+), 161 deletions(-)

-- 
2.42.0