From: Tony Lindgren <tony@atomide.com>
To: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>,
mturquette@linaro.org, linux-omap@vger.kernel.org, nm@ti.com,
khilman@linaro.org, pdeschrijver@nvidia.com, rnayak@ti.com,
bcousson@baylibre.com, linux-arm-kernel@lists.infradead.org,
devicetree@vger.kernel.org, swarren@nvidia.com,
mark.rutland@arm.com
Subject: Re: [PATCHv7 00/36] ARM: OMAP: clock data conversion to DT
Date: Wed, 9 Oct 2013 12:24:21 -0700 [thread overview]
Message-ID: <20131009192420.GE8313@atomide.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1310091858411.30199@utopia.booyaka.com>
* Paul Walmsley <paul@pwsan.com> [131009 12:07]:
> Eh, one correction:
>
> On Wed, 9 Oct 2013, Paul Walmsley wrote:
>
> > We could easily wind up with kernels that won't boot at all when used
> > with newer DT data.
>
> This is a misstatement of the issue: the concern here is that newer
> kernels may not boot at all with older DT data - which could easily be in
> locked areas of the flash or firmware.
That's easy to avoid by allowing any combination of DT defined clocks,
loadable module clocks and /lib/firmware clocks depending on the use
case.
The older kernels have the clocks defined in DT, the newer kernels just
need to parse them.
Regards,
Tony
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv7 00/36] ARM: OMAP: clock data conversion to DT
Date: Wed, 9 Oct 2013 12:24:21 -0700 [thread overview]
Message-ID: <20131009192420.GE8313@atomide.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1310091858411.30199@utopia.booyaka.com>
* Paul Walmsley <paul@pwsan.com> [131009 12:07]:
> Eh, one correction:
>
> On Wed, 9 Oct 2013, Paul Walmsley wrote:
>
> > We could easily wind up with kernels that won't boot at all when used
> > with newer DT data.
>
> This is a misstatement of the issue: the concern here is that newer
> kernels may not boot at all with older DT data - which could easily be in
> locked areas of the flash or firmware.
That's easy to avoid by allowing any combination of DT defined clocks,
loadable module clocks and /lib/firmware clocks depending on the use
case.
The older kernels have the clocks defined in DT, the newer kernels just
need to parse them.
Regards,
Tony
next prev parent reply other threads:[~2013-10-09 19:24 UTC|newest]
Thread overview: 136+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-25 8:48 [PATCHv7 00/36] ARM: OMAP: clock data conversion to DT Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 01/36] CLK: TI: Add DPLL clock support Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 04/36] CLK: ti: add support for ti divider-clock Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 07/36] CLK: TI: add support for clockdomain binding Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 08/36] ARM: dts: omap4 clock data Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 10/36] clk: ti: add support for basic mux clock Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 11/36] CLK: TI: add omap4 clock init file Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 12/36] ARM: OMAP4: remove old clock data and link in new clock init code Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 13/36] ARM: dts: omap5 clock data Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 15/36] CLK: TI: omap5: Initialize USB_DPLL at boot Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 18/36] ARM: dts: DRA7: Change apll_pcie_m2_ck to fixed factor clock Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 19/36] ARM: dts: DRA7: Add PCIe related clock nodes Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 23/36] ARM: dts: DRA7: link in clock DT data Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 24/36] ARM: dts: am33xx clock data Tero Kristo
2013-09-25 8:48 ` Tero Kristo
[not found] ` <1380098922-30340-1-git-send-email-t-kristo-l0cyMroinI0@public.gmane.org>
2013-09-25 8:48 ` [PATCHv7 02/36] CLK: TI: add DT alias clock registration mechanism Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 03/36] CLK: TI: add autoidle support Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 05/36] clk: ti: add support for TI fixed factor clock Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 06/36] CLK: TI: add support for OMAP gate clock Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 09/36] clk: ti: add mux-gate clock support Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 14/36] CLK: TI: add omap5 clock init file Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 16/36] ARM: dts: dra7 clock data Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 17/36] ARM: dts: clk: Add apll related clocks Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 20/36] CLK: TI: DRA7: Add APLL support Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-10-08 5:16 ` Mike Turquette
2013-10-08 5:16 ` Mike Turquette
2013-09-25 8:48 ` [PATCHv7 21/36] CLK: TI: add dra7 clock init file Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 22/36] ARM: OMAP: DRA7: Enable clock init Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 25/36] CLK: TI: add am33xx clock init file Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 26/36] ARM: AM33xx: remove old clock data and link in new clock init code Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 27/36] CLK: TI: add interface clock support for OMAP3 Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 28/36] ARM: OMAP: hwmod: fix an incorrect clk type cast with _get_clkdm Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 29/36] ARM: OMAP3: hwmod: initialize clkdm from clkdm_name Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 30/36] ARM: dts: omap3 clock data Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-26 16:06 ` Nishanth Menon
2013-09-26 16:06 ` Nishanth Menon
2013-09-26 16:23 ` Nishanth Menon
2013-09-26 16:23 ` Nishanth Menon
2013-09-25 8:48 ` [PATCHv7 31/36] CLK: TI: add omap3 clock init file Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 34/36] ARM: dts: am43xx clock data Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 36/36] CLK: TI: add am43xx clock init file Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-26 15:21 ` [PATCHv7 00/36] ARM: OMAP: clock data conversion to DT Nishanth Menon
2013-09-26 15:21 ` Nishanth Menon
2013-09-26 15:29 ` Nishanth Menon
2013-09-26 15:29 ` Nishanth Menon
2013-10-04 15:34 ` Tero Kristo
2013-10-04 15:34 ` Tero Kristo
2013-10-07 2:15 ` Tony Lindgren
2013-10-07 2:15 ` Tony Lindgren
2013-10-07 6:35 ` Tero Kristo
2013-10-07 6:35 ` Tero Kristo
2013-10-07 15:41 ` Tony Lindgren
2013-10-07 15:41 ` Tony Lindgren
2013-10-07 16:13 ` Nishanth Menon
2013-10-07 16:13 ` Nishanth Menon
2013-10-07 19:03 ` Tony Lindgren
2013-10-07 19:03 ` Tony Lindgren
[not found] ` <20131007190322.GY8949-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2013-10-09 18:55 ` Paul Walmsley
2013-10-09 18:55 ` Paul Walmsley
2013-10-09 18:59 ` Paul Walmsley
2013-10-09 18:59 ` Paul Walmsley
2013-10-09 19:24 ` Tony Lindgren [this message]
2013-10-09 19:24 ` Tony Lindgren
2013-10-10 7:18 ` Tero Kristo
2013-10-10 7:18 ` Tero Kristo
2013-10-11 17:54 ` Paul Walmsley
2013-10-11 17:54 ` Paul Walmsley
2013-10-11 18:23 ` Tero Kristo
2013-10-11 18:23 ` Tero Kristo
2013-10-11 22:26 ` Paul Walmsley
2013-10-11 22:26 ` Paul Walmsley
2013-10-11 18:46 ` Tero Kristo
2013-10-11 18:46 ` Tero Kristo
2013-10-11 22:37 ` Paul Walmsley
2013-10-11 22:37 ` Paul Walmsley
2013-10-12 10:25 ` Tero Kristo
2013-10-12 10:25 ` Tero Kristo
2013-10-13 23:45 ` Paul Walmsley
2013-10-13 23:45 ` Paul Walmsley
2013-10-14 14:57 ` Tero Kristo
2013-10-14 14:57 ` Tero Kristo
2013-10-14 18:27 ` Paul Walmsley
2013-10-14 18:27 ` Paul Walmsley
2013-10-14 18:34 ` Tero Kristo
2013-10-14 18:34 ` Tero Kristo
2013-10-09 19:22 ` Tony Lindgren
2013-10-09 19:22 ` Tony Lindgren
2013-10-10 8:17 ` Tero Kristo
2013-10-10 8:17 ` Tero Kristo
2013-10-11 22:53 ` Tony Lindgren
2013-10-11 22:53 ` Tony Lindgren
2013-09-25 8:48 ` [PATCHv7 32/36] ARM: dts: AM35xx: use DT clock data Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 33/36] ARM: OMAP3: use DT clock init if DT data is available Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-09-25 8:48 ` [PATCHv7 35/36] ARM: dts: AM43xx: link in clock DT data Tero Kristo
2013-09-25 8:48 ` Tero Kristo
2013-10-08 5:40 ` [PATCHv7 00/36] ARM: OMAP: clock data conversion to DT Mike Turquette
2013-10-08 5:40 ` Mike Turquette
2013-10-08 8:17 ` Tero Kristo
2013-10-08 8:17 ` Tero Kristo
2013-10-08 16:47 ` Tony Lindgren
2013-10-08 16:47 ` Tony Lindgren
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