From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?utf-8?Q?Lothar_Wa=C3=9Fmann?= <LW@KARO-electronics.de>
Subject: Re: [PATCH V3 07/12] ata/sata_mv: Remove conditional compilation of
 clk code
Date: Wed, 25 Apr 2012 10:35:53 +0200
Message-ID: <20375.46953.269684.680915@ipc1.ka-ro>
References: <cover.1335266056.git.viresh.kumar@st.com>
	<abbcf661dc58948794839eb0fba1d5a0950ec848.1335266056.git.viresh.kumar@st.com>
	<20120424120019.GE24089@lunn.ch>
	<CAOh2x==YaPxYxigyE=n2weoKHhu4ktGRHHGdzgs2+d1_Lo-D4Q@mail.gmail.com>
	<20120424201802.GE3628@n2100.arm.linux.org.uk>
	<CAOh2x==Se4ipK_jexOE_=82=S4p41W9Ek0Om6DrUwctSz-Wcyw@mail.gmail.com>
	<20120425052802.GF13489@lunn.ch>
	<20375.40225.227084.644318@ipc1.ka-ro>
	<20120425071418.GA2116@lunn.ch>
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To: Andrew Lunn <andrew@lunn.ch>
Cc: viresh kumar <viresh.linux@gmail.com>, Russell King - ARM Linux <linux@arm.linux.org.uk>, sshtylyov@mvista.com, spear-devel@list.st.com, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, mturquette@linaro.org, akpm@linux-foundation.org, jgarzik@redhat.com, linux-arm-kernel@lists.infradead.org

Andrew Lunn writes:
> > AFAICT the PCI archs do not have HAVE_CLK enabled. Thus they will h=
ave
> > a dummy clk API in place that provides the driver with a non-error
> > clk_get() return value.
> =20
> Hi Lothar
>=20
> Please could you explain this a little bit more. What exactly is a PC=
I
> arch?
>=20
> Most of the Orion SoC have PCIe busses. Does this make them an PCI
> arch? Because they also have HAVE_CLK. There are more SoCs with PCI.
>=20
If an arch has HAVE_CLK enabled it must provide valid clocks (be it
dummy clocks) for all devices it supports.


Lothar Wa=C3=9Fmann
--=20
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