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SubjectRe: [PATCH 09/11] misc: throttler: Add core support for non-thermal throttling
On Mon, May 28, 2018 at 10:08:26AM +0200, Greg Kroah-Hartman wrote:
> On Fri, May 25, 2018 at 01:30:41PM -0700, Matthias Kaehlcke wrote:
> > diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
> > index 20be70c3f118..01a1714dd2ad 100644
> > --- a/drivers/misc/Makefile
> > +++ b/drivers/misc/Makefile
> > @@ -57,3 +57,4 @@ obj-$(CONFIG_ASPEED_LPC_SNOOP) += aspeed-lpc-snoop.o
> > obj-$(CONFIG_PCI_ENDPOINT_TEST) += pci_endpoint_test.o
> > obj-$(CONFIG_OCXL) += ocxl/
> > obj-$(CONFIG_MISC_RTSX) += cardreader/
> > +obj-y += throttler/
>
> Shouldn't you depend on a Kconfig option to traverse into this
> directory?

Ack

> > diff --git a/drivers/misc/throttler/Kconfig b/drivers/misc/throttler/Kconfig
> > new file mode 100644
> > index 000000000000..ef8388f6bc0a
> > --- /dev/null
> > +++ b/drivers/misc/throttler/Kconfig
> > @@ -0,0 +1,13 @@
> > +menuconfig THROTTLER
> > + bool "Throttler support"
> > + default n
>
> the default is always 'n' no need to say it again here :)

Will remove

> > + depends on OF
> > + select CPU_FREQ
> > + select PM_DEVFREQ
> > + help
> > + This option enables core support for non-thermal throttling of CPUs
> > + and devfreq devices.
> > +
> > + Note that you also need a event monitor module usually called
> > + *_throttler.
> > +
> > diff --git a/drivers/misc/throttler/Makefile b/drivers/misc/throttler/Makefile
> > new file mode 100644
> > index 000000000000..c8d920cee315
> > --- /dev/null
> > +++ b/drivers/misc/throttler/Makefile
> > @@ -0,0 +1 @@
> > +obj-$(CONFIG_THROTTLER) += core.o
> > diff --git a/drivers/misc/throttler/core.c b/drivers/misc/throttler/core.c
> > new file mode 100644
> > index 000000000000..c058d03212b8
> > --- /dev/null
> > +++ b/drivers/misc/throttler/core.c
> > @@ -0,0 +1,373 @@
> > +/*
> > + * Core code for non-thermal throttling
> > + *
> > + * Copyright (C) 2018 Google, Inc.
> > + *
> > + * This software is licensed under the terms of the GNU General Public
> > + * License version 2, as published by the Free Software Foundation, and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * 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.
> > + *
> > + */
>
> Please just use a single SPDX line, like checkpatch.pl would have warned
> you about. No need for the full verbous license boiler-plate text here
> at all.

Ok

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