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Linux/drivers/scsi/ufs/Kconfig

  1 #
  2 # Kernel configuration file for the UFS Host Controller
  3 #
  4 # This code is based on drivers/scsi/ufs/Kconfig
  5 # Copyright (C) 2011-2013 Samsung India Software Operations
  6 #
  7 # Authors:
  8 #       Santosh Yaraganavi <santosh.sy@samsung.com>
  9 #       Vinayak Holikatti <h.vinayak@samsung.com>
 10 #
 11 # This program is free software; you can redistribute it and/or
 12 # modify it under the terms of the GNU General Public License
 13 # as published by the Free Software Foundation; either version 2
 14 # of the License, or (at your option) any later version.
 15 # See the COPYING file in the top-level directory or visit
 16 # <http://www.gnu.org/licenses/gpl-2.0.html>
 17 #
 18 # This program is distributed in the hope that it will be useful,
 19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 21 # GNU General Public License for more details.
 22 #
 23 # This program is provided "AS IS" and "WITH ALL FAULTS" and
 24 # without warranty of any kind. You are solely responsible for
 25 # determining the appropriateness of using and distributing
 26 # the program and assume all risks associated with your exercise
 27 # of rights with respect to the program, including but not limited
 28 # to infringement of third party rights, the risks and costs of
 29 # program errors, damage to or loss of data, programs or equipment,
 30 # and unavailability or interruption of operations. Under no
 31 # circumstances will the contributor of this Program be liable for
 32 # any damages of any kind arising from your use or distribution of
 33 # this program.
 34 
 35 config SCSI_UFSHCD
 36         tristate "Universal Flash Storage Controller Driver Core"
 37         depends on SCSI && SCSI_DMA
 38         select PM_DEVFREQ
 39         select DEVFREQ_GOV_SIMPLE_ONDEMAND
 40         ---help---
 41         This selects the support for UFS devices in Linux, say Y and make
 42           sure that you know the name of your UFS host adapter (the card
 43           inside your computer that "speaks" the UFS protocol, also
 44           called UFS Host Controller), because you will be asked for it.
 45           The module will be called ufshcd.
 46 
 47           To compile this driver as a module, choose M here and read
 48           <file:Documentation/scsi/ufs.txt>.
 49           However, do not compile this as a module if your root file system
 50           (the one containing the directory /) is located on a UFS device.
 51 
 52 config SCSI_UFSHCD_PCI
 53         tristate "PCI bus based UFS Controller support"
 54         depends on SCSI_UFSHCD && PCI
 55         ---help---
 56         This selects the PCI UFS Host Controller Interface. Select this if
 57         you have UFS Host Controller with PCI Interface.
 58 
 59           If you have a controller with this interface, say Y or M here.
 60 
 61           If unsure, say N.
 62 
 63 config SCSI_UFSHCD_PLATFORM
 64         tristate "Platform bus based UFS Controller support"
 65         depends on SCSI_UFSHCD
 66         ---help---
 67         This selects the UFS host controller support. Select this if
 68         you have an UFS controller on Platform bus.
 69 
 70         If you have a controller with this interface, say Y or M here.
 71 
 72           If unsure, say N.

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