lkml.org 
[lkml]   [2023]   [Mar]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v4 1/5] mfd: Add support for Intel LJCA device
On Thu, Mar 9, 2023, at 08:10, Ye Xiang wrote:

> The minimum code in ASL that covers this board is
> Scope (\_SB.PCI0.DWC3.RHUB.HS01)
> {
> Device (GPIO)
> {
> Name (_ADR, Zero)
> Name (_STA, 0x0F)
> }
>
> Device (I2C)
> {
> Name (_ADR, One)
> Name (_STA, 0x0F)
> }
>
> Device (SPI)
> {
> Name (_ADR, 0x02)
> Name (_STA, 0x0F)
> }
> }

I'm a bit confused by this bit, does that mean this only works
if the device is integrated on the mainboard and the BIOS is
aware of it? This won't work if you plug it into a random
USB port, or have no ACPI firmware, right?

> Signed-off-by: Ye Xiang <xiang.ye@intel.com>
> Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> ---
> drivers/usb/misc/Kconfig | 13 +
> drivers/usb/misc/Makefile | 1 +
> drivers/usb/misc/ljca.c | 969 ++++++++++++++++++++++++++++++++++++++
> include/linux/mfd/ljca.h | 95 ++++

Why is this in driver/usb/misc? It looks like a normal
mfd driver to me, and it evenhas the header in include/linux/mfd/

Arnd

\
 
 \ /
  Last update: 2023-03-27 00:51    [W:0.991 / U:1.204 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site