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From: Tony Lindgren <tony@atomide.com>
To: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>,
	Arnd Bergmann <arnd@arndb.de>, Paul Bolle <pebolle@tiscali.nl>,
	linaro-kernel@lists.linaro.org, patches@linaro.org,
	spear-devel@list.st.com, linux-kernel@vger.kernel.org,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
	John Stultz <john.stultz@linaro.org>,
	Arnd Bergmann <arnd.bergmann@linaro.org>,
	linux-omap@vger.kernel.org,
	Sumit Semwal <sumit.semwal@linaro.org>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3.19-rc2 v15 5/8] arm: omap1: Migrate debug_ll macros to use 8250.S
Date: Tue, 20 Jan 2015 08:04:48 -0800	[thread overview]
Message-ID: <20150120160448.GC7718@atomide.com> (raw)
In-Reply-To: <54BE1921.5050902@linaro.org>

* Daniel Thompson <daniel.thompson@linaro.org> [150120 01:03]:
> On 19/01/15 21:38, Tony Lindgren wrote:
> > * Daniel Thompson <daniel.thompson@linaro.org> [150105 04:49]:
> >> The omap1's debug-macro.S is similar to the generic 8250 code. Compared to
> >> the 8520 code the omap1 macro automatically determines what UART to use
> >> based on breadcrumbs left by the bootloader and automatically copes with
> >> the eccentric register layout on OMAP7XX.
> >>
> >> This patch drops both these features and relies instead on the generic
> >> 8250 macros:
> >>
> >> 1. Dropping support for the bootloader breadcrumbs is identical to the
> >>    way the migration was handled for OMAP2 (see 808b7e07464d...).
> >>
> >> 2. Support for OMAP7XX still exists but it must be configured by hand
> >>    (DEBUG_OMAP7XXUART1/2/3) rather than handled at runtime.
> >>
> >> Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
> >> Cc: Russell King <linux@arm.linux.org.uk>
> >> Cc: Arnd Bergmann <arnd.bergmann@linaro.org>
> >> Cc: linux-omap@vger.kernel.org
> >> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
> >> Acked-by: Tony Lindgren <tony@atomide.com>
> > 
> > Daniel, I suggest you upload this patch into Russell's patch tracking
> > system to get it merged. That at least shrinks down your patch series
> > if the other patches need more work.
> 
> This has been in the patch tracker for a week or so:
> http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=8271/1

OK good to hear thanks.
 
> I'm very aware that this patch (and indeed the whole patch set) has been
> knocking round for longer than it should have. The changelog for this
> patchset is certainly not one to be especially proud off ;-) .

Yeah, it's been floating around for a while :)

Here it may have been doable to first add the Kconfig entries, then
flip them on and remove the related .S file in a follow up patch. Not
sure if that would have helped to remove the dependencies for the
rest of the series though.

Regards,

Tony

  reply	other threads:[~2015-01-20 16:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-05 12:40 [PATCH 3.19-rc2 v15 0/8] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X) Daniel Thompson
2015-01-05 12:40 ` [PATCH 3.19-rc2 v15 1/8] arm: cnx3xxx: Remove spurious default for DEBUG_CNS3xxx Daniel Thompson
2015-01-05 12:40 ` [PATCH 3.19-rc2 v15 2/8] arm: configs: Enable DEBUG_LL_UART_8250 where needed Daniel Thompson
2015-01-05 12:40 ` [PATCH 3.19-rc2 v15 3/8] arm: Remove DEBUG_LL_UART_NONE Daniel Thompson
2015-01-05 12:40 ` [PATCH 3.19-rc2 v15 4/8] arm: ks8695: Migrate debug_ll macros to shared directory Daniel Thompson
2015-01-05 12:40 ` [PATCH 3.19-rc2 v15 5/8] arm: omap1: Migrate debug_ll macros to use 8250.S Daniel Thompson
2015-01-19 21:38   ` Tony Lindgren
2015-01-20  9:00     ` Daniel Thompson
2015-01-20 16:04       ` Tony Lindgren [this message]
2015-01-05 12:40 ` [PATCH 3.19-rc2 v15 6/8] arm: netx: Migrate DEBUG_LL macros to shared directory Daniel Thompson
2015-01-05 12:40 ` [PATCH 3.19-rc2 v15 7/8] arm: Seperate DEBUG_UART_PHYS from DEBUG_LL on EP93XX Daniel Thompson
2015-01-05 12:40 ` [PATCH 3.19-rc2 v15 8/8] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X) Daniel Thompson
2015-01-09 16:43 ` [PATCH 3.19-rc2 v15 0/8] " Russell King - ARM Linux

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