summaryrefslogtreecommitdiff
path: root/drivers/scsi/ufs/ufs_quirks.h
AgeCommit message (Collapse)AuthorFilesLines
2020-07-30scsi: ufs: Introduce device quirk "DELAY_AFTER_LPM"Stanley Chu1-0/+7
Some UFS devices require delay after VCC power rail is turned off. Introduce a device quirk "DELAY_AFTER_LPM" to add 5ms delay after VCC power-off during suspend flow. Link: https://lore.kernel.org/r/20200729051840.31318-2-stanley.chu@mediatek.com Reviewed-by: Andy Teng <andy.teng@mediatek.com> Reviewed-by: Peter Wang <peter.wang@mediatek.com> Reviewed-by: Can Guo <cang@codeaurora.org> Acked-by: Avri Altman <Avri.Altman@wdc.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-06-15scsi: ufs: Clean up device vendor name and device quirk tableStanley Chu1-1/+1
Clean up the following items: - Sort vendor names in alphabetical order - Squash quirks as compact as possible in device table to enhance performance of the lookup - Sort device quirks in alphabetical order Link: https://lore.kernel.org/r/20200612012625.6615-3-stanley.chu@mediatek.com Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-06-15scsi: ufs: Add DELAY_BEFORE_LPM quirk for Micron devicesStanley Chu1-0/+1
It is confirmed that Micron device needs DELAY_BEFORE_LPM quirk to have a delay before VCC is powered off. Sdd Micron vendor ID and this quirk for Micron devices. Link: https://lore.kernel.org/r/20200612012625.6615-2-stanley.chu@mediatek.com Reviewed-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-05-11scsi: ufs: Enable WriteBooster on some pre-3.1 UFS devicesStanley Chu1-0/+7
The WriteBooster feature can be supported by some pre-3.1 UFS devices by upgrading firmware. To enable WriteBooster feature in such devices, introduce a device quirk to relax the entrance condition of ufshcd_wb_probe() to allow host driver to check those devices' WriteBooster capability. WriteBooster feature can be available if below all conditions are satisfied, 1. Host enables WriteBooster capability 2. UFS 3.1 device or UFS pre-3.1 device with quirk UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES enabled 3. The device descriptor shall have DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP field 4. WriteBooster support is specified in above field Link: https://lore.kernel.org/r/20200508080115.24233-2-stanley.chu@mediatek.com Reviewed-by: Avri Altman <avri.altman@wdc.com> Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: ufs-qcom: Apply QUIRK_HOST_TACTIVATE for WDC UFS devicesCan Guo1-0/+1
Western Digital UFS devices require host's PA_TACTIVATE to be lower than device's PA_TACTIVATE, otherwise it may get stuck during hibern8 sequence. Link: https://lore.kernel.org/r/1582517363-11536-3-git-send-email-cang@codeaurora.org Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Acked-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Can Guo <cang@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-20scsi: ufs: Delete struct ufs_dev_descBean Huo1-4/+5
In consideration of UFS host driver uses parameters of struct ufs_dev_desc, move its parameters to struct ufs_dev_info, delete struct ufs_dev_desc. Link: https://lore.kernel.org/r/20200120130820.1737-3-huobean@gmail.com Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-06-05treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284Thomas Gleixner1-10/+1
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 and only version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 294 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.825281744@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-02-27scsi: ufs: Remove unused device quirksMarc Gonzalez1-29/+0
The UFSHC driver defines a few quirks that are not used anywhere: UFS_DEVICE_QUIRK_BROKEN_LCC UFS_DEVICE_NO_VCCQ UFS_DEVICE_QUIRK_NO_LINK_OFF UFS_DEVICE_NO_FASTAUTO Let's remove them. Acked-by: Avri Altman <avri.altman@wdc.com> Acked-by: Alim Akhtar <alim.akhtar@samsung.com> Reviewed-by: Evan Green <evgreen@chromium.org> Signed-off-by: Marc Gonzalez <marc.w.gonzalez@free.fr> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-08scsi: ufs: Fix hynix ufs bug with quirk on hi36xx SoCWei Li1-0/+6
Hynix ufs has deviations on hi36xx platform which will result in ufs bursts transfer failures. To fix the problem, the Hynix device must set the register VS_DebugSaveConfigTime to 0x10, which will set time reference for SaveConfigTime is 250 ns. The time reference for SaveConfigTime is 40 ns by default. This patch is necessary to boot on HiKey960 boards that use Hynix UFS chips (H28U62301AMR model: hB8aL1). Cc: Vinayak Holikatti <vinholikatti@gmail.com> Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: linux-scsi@vger.kernel.org Signed-off-by: Wei Li <liwei213@huawei.com> Signed-off-by: Dmitry Shmidt <dimitrysh@google.com> [jstultz: Forward ported from older code, slight tweak to commit message] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-01-10scsi: ufs: refactor device descriptor readingTomas Winkler1-22/+6
Pull device descriptor reading out of ufs quirk so it can be used also for other purposes. Revamp the fixup setup: 1. Rename ufs_device_info to ufs_dev_desc as very similar name ufs_dev_info is already in use. 2. Make the handlers static as they are not used out of the ufshdc.c file. [mkp: applied by hand] Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-12-08scsi: ufs: add quirk to increase host PA_SaveConfigTimeSubhash Jadavani1-21/+9
The maximum value PA_SaveConfigTime is 250 (10us) but this is not enough for some vendors. Gear switch from PWM to HS may fail even with this max. PA_SaveConfigTime. Gear switch can be issued by host controller as an error recovery and any software delay will not help on this case so we need to increase PA_SaveConfigTime to >32us as per vendor recommendation. This change adds a quirk to increase the PA_SaveConfigTime parameter. Reviewed-by: Venkat Gopalakrishnan <venkatg@codeaurora.org> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-29scsi: ufs: ensure that host pa_tactivate is higher than devicesubhashj@codeaurora.org1-0/+9
Some UFS devices require host PA_TACTIVATE to be higher than device PA_TACTIVATE otherwise it may get stuck during hibern8 sequence. This change allows this by using quirk. Reviewed-by: Venkat Gopalakrishnan <venkatg@codeaurora.org> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-09-28scsi: ufs: Enable no vccq quirk for skhynix deviceKyuho Choi1-0/+2
This patch enable no vccq quirk for SKHynix devices. SKHynix ufs device don't need vccq vrail for device operation. Signed-off-by: Kyuho Choi <kyuho.choi@sk.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-03-14scsi: ufs: add device quirk delay before putting UFS rails in LPMYaniv Gardi1-1/+13
We put the UFS device in sleep state & UFS link in hibern8 state during runtime suspend. After this we put all the UFS rails in low power modes immediately but it seems some devices may still draw more than sleep current from UFS rails (especially from VCCQ rail) at-least for 500us. To avoid this situation, this change adds 2ms delay before putting these UFS rails in LPM mode. Reviewed-by: Gilad Broner <gbroner@codeaurora.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-03-14scsi: ufs: separate device and host quirksYaniv Gardi1-0/+139
Currently we use the host quirks mechanism in order to handle both device and host controller quirks. In order to support various of UFS devices we should separate handling the device quirks from the host controller's. Reviewed-by: Gilad Broner <gbroner@codeaurora.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Raviv Shvili <rshvili@codeaurora.org> Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 08:41:52 +0000