- To: Lothar Wa??mann <LW@xxxxxxxxxxxxxxxxxxx>
- Subject: Re: [PATCH V3 07/12] ata/sata_mv: Remove conditional compilation of clk code
- From: Andrew Lunn <andrew@xxxxxxx>
- Date: Wed, 25 Apr 2012 11:31:09 +0200
- Cc: Andrew Lunn <andrew@xxxxxxx>, viresh kumar <viresh.linux@xxxxxxxxx>, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>, sshtylyov@xxxxxxxxxx, spear-devel@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-ide@xxxxxxxxxxxxxxx, mturquette@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, jgarzik@xxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
- In-reply-to: <20375.46953.269684.680915@ipc1.ka-ro>
- List-id: <linux-ide.vger.kernel.org>
- Mail-followup-to: Lothar Wa??mann <LW@xxxxxxxxxxxxxxxxxxx>, Andrew Lunn <andrew@xxxxxxx>, viresh kumar <viresh.linux@xxxxxxxxx>, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>, sshtylyov@xxxxxxxxxx, spear-devel@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-ide@xxxxxxxxxxxxxxx, mturquette@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, jgarzik@xxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
- User-agent: Mutt/1.5.21 (2010-09-15)
> If an arch has HAVE_CLK enabled it must provide valid clocks (be it
> dummy clocks) for all devices it supports.
So, lets take the theoretical exaple of a unicore32 PUV3
config ARCH_PUV3
def_bool y
select CPU_UCV2
select GENERIC_CLOCKEVENTS
select HAVE_CLK
select ARCH_REQUIRE_GPIOLIB
select ARCH_HAS_CPUFREQ
Seems like this somewhat unknown, to me at least, architecture, also
supports PCI. So i plug in an HP Adaptec AIC8120 SATA host bus adapter
into a spare PCI slot. This uses the Marvell 88SX6041, which the
SATA_MV driver supports.
Should i expect that the unicore32 PUV3 has created a dummy clk for
this case?
Thanks
Andrew
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