From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] Kernel debugging: omap: print warning if CONFIG_DEBUG_LL is enabled
Date: Wed, 8 Nov 2017 14:27:55 -0800 [thread overview]
Message-ID: <20171108222755.GW28152@atomide.com> (raw)
In-Reply-To: <b80b85cd6f26d02d698463b3dd5e9783081aa780.1510176592.git.hns@goldelico.com>
* H. Nikolaus Schaller <hns@goldelico.com> [171108 21:32]:
> commit d2b310b0234c ("ARM: debug: Use generic 8250 debug_ll for omap2 and omap3/4/5 common uarts")
> commit fc23beb8a577 ("ARM: debug: Use generic 8250 debug_ll for omap3/4/5")
>
> switched to generic 8250 debug_ll code which seems to be incompatible
> with at least OMAP5 boards (OMAP5EVM, Pyra) if CONFIG_DEBUG_LL is
> still enabled in some legacy defconfig. Since this is very hard to
> relate to these patches and difficult to identify, let's have the
> compiler emit a warning.
Hmm the issue is the existing values in .config as Kconfig.debug
does default XXX if DEBUG_XXX, right?
I think we have this issue in general if you enable DEBUG_LL for
a SoC, then enable it for another SoC using the same .config?
Regards,
Tony
next prev parent reply other threads:[~2017-11-08 22:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-08 21:29 [PATCH] Kernel debugging: omap: print warning if CONFIG_DEBUG_LL is enabled H. Nikolaus Schaller
2017-11-08 22:27 ` Tony Lindgren [this message]
2017-11-08 22:36 ` Russell King - ARM Linux
2017-11-08 22:38 ` Russell King - ARM Linux
2017-11-09 5:44 ` H. Nikolaus Schaller
2017-11-09 16:58 ` Russell King - ARM Linux
2017-11-09 17:16 ` H. Nikolaus Schaller
2017-11-09 17:35 ` Russell King - ARM Linux
2017-11-09 18:12 ` H. Nikolaus Schaller
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