From: mturquette@linaro.org (Mike Turquette)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 02/11] clk: davinci - add PSC clock driver
Date: Fri, 22 Mar 2013 13:37:15 -0700 [thread overview]
Message-ID: <20130322203715.834.30085@quantum> (raw)
In-Reply-To: <514C3E7C.3000705@ti.com>
Quoting Sekhar Nori (2013-03-22 04:20:28)
> Mike,
>
> On 11/28/2012 6:52 PM, Sekhar Nori wrote:
> > On 11/27/2012 10:59 PM, Mike Turquette wrote:
>
> >> Also have you looked into regmap? Since you are defining your own clock
> >> type that might be something nice for you.
> >
> > No, haven't looked at regmap yet. Will look at that.
>
> I could get to this only now. regmap needs a valid struct device. We
> aren't modelling psc clocks as device so regmap cannot be used here.
>
According to Murali's reply back in November it was still not known if
the PTCMD register was going to be concurrently accessed by sources
outside the clock framework. If this is so then neither the existing
framework-level lock (e.g. enable_lock) nor the shared clock driver lock
(e.g. spinlock in struct clk_psc) are adequate. You may need a device
driver which represents the PSC and use accessor functions to write to
those register which provide coordination.
Regards,
Mike
> Thanks,
> Sekhar
next prev parent reply other threads:[~2013-03-22 20:37 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-25 16:11 [PATCH v3 00/11] common clk drivers migration for DaVinci SoCs Murali Karicheri
2012-10-25 16:11 ` [PATCH v3 01/11] clk: davinci - add main PLL clock driver Murali Karicheri
2012-10-28 19:18 ` Linus Walleij
2012-10-31 13:23 ` Murali Karicheri
2012-10-31 12:29 ` Sekhar Nori
2012-10-31 13:46 ` Murali Karicheri
2012-11-01 11:01 ` Sekhar Nori
2012-10-25 16:11 ` [PATCH v3 02/11] clk: davinci - add PSC " Murali Karicheri
2012-10-28 19:24 ` Linus Walleij
2012-10-31 13:23 ` Murali Karicheri
2013-03-19 10:57 ` Sekhar Nori
2012-11-03 12:07 ` Sekhar Nori
2012-11-05 15:10 ` Murali Karicheri
2012-11-10 2:22 ` Mike Turquette
2012-11-27 15:05 ` Sekhar Nori
2012-11-27 17:29 ` Mike Turquette
2012-11-27 20:38 ` Murali Karicheri
2012-11-28 13:22 ` Sekhar Nori
2013-03-22 11:20 ` Sekhar Nori
2013-03-22 20:37 ` Mike Turquette [this message]
2013-03-25 6:50 ` Sekhar Nori
2012-10-25 16:11 ` [PATCH v3 03/11] clk: davinci - common clk utilities to init clk driver Murali Karicheri
2012-10-28 19:25 ` Linus Walleij
2012-10-31 13:23 ` Murali Karicheri
2012-11-01 12:41 ` Sekhar Nori
2012-11-01 18:34 ` Murali Karicheri
2012-11-03 12:35 ` Sekhar Nori
2012-11-05 15:20 ` Murali Karicheri
2012-11-06 9:31 ` Sekhar Nori
2012-11-06 15:04 ` Murali Karicheri
2012-10-25 16:11 ` [PATCH v3 04/11] clk: davinci - add pll divider clock driver Murali Karicheri
2012-10-28 19:26 ` Linus Walleij
2012-10-31 13:22 ` Murali Karicheri
2012-11-02 11:33 ` Sekhar Nori
2012-11-02 13:53 ` Murali Karicheri
2012-11-03 12:03 ` Sekhar Nori
2012-11-05 15:10 ` Murali Karicheri
2012-10-25 16:11 ` [PATCH v3 05/11] clk: davinci - add dm644x clock initialization Murali Karicheri
2012-11-03 13:30 ` Sekhar Nori
2012-11-05 15:42 ` Murali Karicheri
2012-11-06 10:18 ` Sekhar Nori
2012-11-05 23:23 ` Murali Karicheri
2012-11-06 9:40 ` Sekhar Nori
2012-10-25 16:11 ` [PATCH v3 06/11] clk: davinci - add build infrastructure for DaVinci clock drivers Murali Karicheri
2012-11-04 13:34 ` Sekhar Nori
2012-11-05 16:17 ` Murali Karicheri
2012-11-06 9:48 ` Sekhar Nori
2012-10-25 16:11 ` [PATCH v3 07/11] ARM: davinci - restructure header files for common clock migration Murali Karicheri
2012-11-04 14:05 ` Sekhar Nori
2012-11-05 19:11 ` Murali Karicheri
2012-11-06 10:03 ` Sekhar Nori
2012-11-05 21:57 ` Murali Karicheri
2012-12-03 13:23 ` Sekhar Nori
2012-10-25 16:11 ` [PATCH v3 08/11] ARM: davinci - migrating to use common clock init code Murali Karicheri
2012-10-25 16:11 ` [PATCH v3 09/11] ARM: davinci - dm644x: update SoC code to remove the clock data Murali Karicheri
2012-10-25 16:11 ` [PATCH v3 10/11] ARM: davinci - migrate to common clock Murali Karicheri
2012-11-04 13:06 ` Sekhar Nori
2012-11-05 15:43 ` Murali Karicheri
2012-10-25 16:11 ` [PATCH v3 11/11] ARM: davinci - common clock migration: clean up the old code Murali Karicheri
2012-10-30 17:00 ` [PATCH v3 00/11] common clk drivers migration for DaVinci SoCs Karicheri, Muralidharan
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