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From: daniel.thompson@linaro.org (Daniel Thompson)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X)
Date: Fri, 04 Apr 2014 16:18:12 +0100	[thread overview]
Message-ID: <533ECD34.5030502@linaro.org> (raw)
In-Reply-To: <20140404144108.GD7528@n2100.arm.linux.org.uk>

On 04/04/14 15:41, Russell King - ARM Linux wrote:
>> The happens because the multi-platform mode may include ARCH_SPEAR13XX
>> and this forcibly engages DEBUG_UART_PL01X to provide some kind of
>> compatibility with single platform builds (SPEAr supports both single and
>> multi-platform). This in turn causes DEBUG_LL_INCLUDE to wedge at
>> debug/pl01x.S.
>>
>> Problem is fixed by only deploying the compatibility options for SPEAr
>> when ARCH_MULTIPLATFORM is not set.
> 
> I think it's probably about time we killed the def_bool and just made
> this a plain 'bool'.  The affected platforms should be using
> DEBUG_LL_UART_PL01X by now.

Ok.

Looking closely I think this will actually be better even for the single
platforms since today KConfig will not honour targeting DEBUG_LL at
EmbeddedICE or semihosting on the platforms that remain in the list.

Expect a v3...



Daniel.

WARNING: multiple messages have this Message-ID (diff)
From: Daniel Thompson <daniel.thompson@linaro.org>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: patches@linaro.org, linaro-kernel@lists.linaro.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, spear-devel@list.st.com
Subject: Re: [PATCH] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X)
Date: Fri, 04 Apr 2014 16:18:12 +0100	[thread overview]
Message-ID: <533ECD34.5030502@linaro.org> (raw)
In-Reply-To: <20140404144108.GD7528@n2100.arm.linux.org.uk>

On 04/04/14 15:41, Russell King - ARM Linux wrote:
>> The happens because the multi-platform mode may include ARCH_SPEAR13XX
>> and this forcibly engages DEBUG_UART_PL01X to provide some kind of
>> compatibility with single platform builds (SPEAr supports both single and
>> multi-platform). This in turn causes DEBUG_LL_INCLUDE to wedge at
>> debug/pl01x.S.
>>
>> Problem is fixed by only deploying the compatibility options for SPEAr
>> when ARCH_MULTIPLATFORM is not set.
> 
> I think it's probably about time we killed the def_bool and just made
> this a plain 'bool'.  The affected platforms should be using
> DEBUG_LL_UART_PL01X by now.

Ok.

Looking closely I think this will actually be better even for the single
platforms since today KConfig will not honour targeting DEBUG_LL at
EmbeddedICE or semihosting on the platforms that remain in the list.

Expect a v3...



Daniel.

  reply	other threads:[~2014-04-04 15:18 UTC|newest]

Thread overview: 156+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-04 11:17 [PATCH] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X) Daniel Thompson
2014-04-04 11:17 ` Daniel Thompson
2014-04-04 11:39 ` Arnd Bergmann
2014-04-04 11:39   ` Arnd Bergmann
2014-04-04 14:02   ` Daniel Thompson
2014-04-04 14:02     ` Daniel Thompson
2014-04-04 14:14   ` Paul Bolle
2014-04-04 14:14     ` Paul Bolle
2014-04-04 14:52     ` Paul Bolle
2014-04-04 14:52       ` Paul Bolle
2014-04-04 14:41 ` Russell King - ARM Linux
2014-04-04 14:41   ` Russell King - ARM Linux
2014-04-04 15:18   ` Daniel Thompson [this message]
2014-04-04 15:18     ` Daniel Thompson
2014-04-04 14:47 ` [PATCH v2] " Daniel Thompson
2014-04-04 14:47   ` Daniel Thompson
2014-04-04 15:41   ` [PATCH v3] " Daniel Thompson
2014-04-04 15:41     ` Daniel Thompson
2014-04-07 12:48     ` Daniel Thompson
2014-04-07 12:48       ` Daniel Thompson
2014-04-07 15:54     ` [PATCH v4 0/5] " Daniel Thompson
2014-04-07 15:54       ` Daniel Thompson
2014-04-07 15:54       ` [PATCH v4 1/5] ARM: versatile: Enable DEBUG_LL_UART_PL01X Daniel Thompson
2014-04-07 15:54         ` Daniel Thompson
2014-04-07 15:54       ` [PATCH v4 2/5] ARM: ep93xx: " Daniel Thompson
2014-04-07 15:54         ` Daniel Thompson
2014-04-07 15:54       ` [PATCH v4 3/5] ARM: Conceal DEBUG_LL_UART_NONE from unsupported platforms Daniel Thompson
2014-04-07 15:54         ` Daniel Thompson
2014-04-07 15:54       ` [PATCH v4 4/5] arm: Seperate DEBUG_UART_PHYS from DEBUG_LL on EP93XX Daniel Thompson
2014-04-07 15:54         ` Daniel Thompson
2014-04-07 15:54       ` [PATCH v4 5/5] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X) Daniel Thompson
2014-04-07 15:54         ` Daniel Thompson
2014-04-24 16:00       ` [RESEND PATCH v5 0/5] " Daniel Thompson
2014-04-24 16:00         ` Daniel Thompson
2014-04-24 16:00         ` [RESEND PATCH v5 1/5] ARM: versatile: Enable DEBUG_LL_UART_PL01X Daniel Thompson
2014-04-24 16:00           ` Daniel Thompson
2014-04-24 16:00         ` [RESEND PATCH v5 2/5] ARM: ep93xx: " Daniel Thompson
2014-04-24 16:00           ` Daniel Thompson
2014-04-24 16:00         ` [RESEND PATCH v5 3/5] ARM: Conceal DEBUG_LL_UART_NONE from unsupported platforms Daniel Thompson
2014-04-24 16:00           ` Daniel Thompson
2014-04-24 16:00         ` [RESEND PATCH v5 4/5] arm: Seperate DEBUG_UART_PHYS from DEBUG_LL on EP93XX Daniel Thompson
2014-04-24 16:00           ` Daniel Thompson
2014-04-24 16:00         ` [RESEND PATCH v5 5/5] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X) Daniel Thompson
2014-04-24 16:00           ` Daniel Thompson
2014-05-23 15:10         ` [RESEND PATCH v5 0/5] " Daniel Thompson
2014-05-23 15:10           ` Daniel Thompson
2014-05-23 15:10           ` [RESEND PATCH v5 1/5] ARM: versatile: Enable DEBUG_LL_UART_PL01X Daniel Thompson
2014-05-23 15:10             ` Daniel Thompson
2014-05-23 15:10           ` [RESEND PATCH v5 2/5] ARM: ep93xx: " Daniel Thompson
2014-05-23 15:10             ` Daniel Thompson
2014-05-23 15:10           ` [RESEND PATCH v5 3/5] ARM: Conceal DEBUG_LL_UART_NONE from unsupported platforms Daniel Thompson
2014-05-23 15:10             ` Daniel Thompson
2014-05-23 15:35             ` Arnd Bergmann
2014-05-23 15:35               ` Arnd Bergmann
2014-05-26 13:39               ` Arnd Bergmann
2014-05-26 13:39                 ` Arnd Bergmann
2014-05-27 13:13                 ` Daniel Thompson
2014-05-27 13:13                   ` Daniel Thompson
2014-05-27 13:37                   ` Arnd Bergmann
2014-05-27 13:37                     ` Arnd Bergmann
2014-05-27 13:52                     ` Daniel Thompson
2014-05-27 13:52                       ` Daniel Thompson
2014-05-23 15:10           ` [RESEND PATCH v5 4/5] arm: Seperate DEBUG_UART_PHYS from DEBUG_LL on EP93XX Daniel Thompson
2014-05-23 15:10             ` Daniel Thompson
2014-05-23 15:10           ` [RESEND PATCH v5 5/5] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X) Daniel Thompson
2014-05-23 15:10             ` Daniel Thompson
2014-05-27 16:00           ` [PATCH v6 0/5] " Daniel Thompson
2014-05-27 16:00             ` Daniel Thompson
2014-05-27 16:00             ` [PATCH v6 1/5] ARM: versatile: Enable DEBUG_LL_UART_PL01X Daniel Thompson
2014-05-27 16:00               ` Daniel Thompson
2014-05-27 16:00             ` [PATCH v6 2/5] ARM: ep93xx: " Daniel Thompson
2014-05-27 16:00               ` Daniel Thompson
2014-05-27 16:00             ` [PATCH v6 3/5] ARM: Hide DEBUG_LL_UART_NONE from unsupported platforms Daniel Thompson
2014-05-27 16:00               ` Daniel Thompson
2014-05-27 16:00             ` [PATCH v6 4/5] arm: Seperate DEBUG_UART_PHYS from DEBUG_LL on EP93XX Daniel Thompson
2014-05-27 16:00               ` Daniel Thompson
2014-05-27 16:00             ` [PATCH v6 5/5] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X) Daniel Thompson
2014-05-27 16:00               ` Daniel Thompson
2014-06-30 11:30             ` [PATCH v7 0/4] " Daniel Thompson
2014-06-30 11:30               ` Daniel Thompson
2014-06-30 11:30               ` [PATCH v7 1/4] ARM: versatile: Enable DEBUG_LL_UART_PL01X Daniel Thompson
2014-06-30 11:30                 ` Daniel Thompson
2014-06-30 11:30               ` [PATCH v7 2/4] ARM: ep93xx: " Daniel Thompson
2014-06-30 11:30                 ` Daniel Thompson
2014-06-30 11:30               ` [PATCH v7 3/4] arm: Seperate DEBUG_UART_PHYS from DEBUG_LL on EP93XX Daniel Thompson
2014-06-30 11:30                 ` Daniel Thompson
2014-06-30 11:30               ` [PATCH v7 4/4] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X) Daniel Thompson
2014-06-30 11:30                 ` Daniel Thompson
2014-06-30 13:20               ` [PATCH v7 0/4] " Arnd Bergmann
2014-06-30 13:20                 ` Arnd Bergmann
2014-07-12 10:16               ` Russell King - ARM Linux
2014-07-12 10:16                 ` Russell King - ARM Linux
2014-07-12 11:10                 ` Russell King - ARM Linux
2014-07-12 11:10                   ` Russell King - ARM Linux
2014-07-14  9:05                   ` Daniel Thompson
2014-07-14  9:05                     ` Daniel Thompson
2014-07-14 10:39                     ` Daniel Thompson
2014-07-14 10:39                       ` Daniel Thompson
2014-07-14 15:27                     ` Arnd Bergmann
2014-07-14 15:27                       ` Arnd Bergmann
2014-07-15 10:32                       ` Arnd Bergmann
2014-07-15 10:32                         ` Arnd Bergmann
2014-07-15 10:54                         ` Daniel Thompson
2014-07-15 10:54                           ` Daniel Thompson
2014-08-19 14:48               ` [PATCH v8 0/9] " Daniel Thompson
2014-08-19 14:48                 ` Daniel Thompson
2014-08-19 14:48                 ` [PATCH v8 1/9] arm: versatile: Enable DEBUG_LL_UART_PL01X Daniel Thompson
2014-08-19 14:48                   ` Daniel Thompson
2014-08-19 14:48                 ` [PATCH v8 2/9] arm: ep93xx: " Daniel Thompson
2014-08-19 14:48                   ` Daniel Thompson
2014-08-19 14:48                 ` [PATCH v8 3/9] arm: Remove DEBUG_LL_UART_NONE Daniel Thompson
2014-08-19 14:48                   ` Daniel Thompson
2014-08-19 14:48                 ` [PATCH v8 4/9] arm: ks8695: Migrate debug_ll macros to shared directory Daniel Thompson
2014-08-19 14:48                   ` Daniel Thompson
2014-08-19 14:48                 ` [PATCH v8 5/9] arm: omap1: Migrate debug_ll macros to use 8250.S Daniel Thompson
2014-08-19 14:48                   ` Daniel Thompson
2014-08-19 14:48                 ` [PATCH v8 6/9] arm: netx: Migrate DEBUG_LL macros to shared directory Daniel Thompson
2014-08-19 14:48                   ` Daniel Thompson
2014-09-15 16:34                   ` Paul Bolle
2014-09-15 16:34                     ` Paul Bolle
2014-09-15 21:47                     ` Daniel Thompson
2014-09-15 21:47                       ` Daniel Thompson
2014-09-16 22:37                       ` Daniel Thompson
2014-09-16 22:37                         ` Daniel Thompson
2014-08-19 14:48                 ` [PATCH v8 7/9] arm: sa1100: " Daniel Thompson
2014-08-19 14:48                   ` Daniel Thompson
2014-08-19 14:48                 ` [PATCH v8 8/9] arm: Seperate DEBUG_UART_PHYS from DEBUG_LL on EP93XX Daniel Thompson
2014-08-19 14:48                   ` Daniel Thompson
2014-08-19 14:48                 ` [PATCH v8 9/9] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X) Daniel Thompson
2014-08-19 14:48                   ` Daniel Thompson
2014-08-19 15:16                 ` [PATCH v9 0/9] " Daniel Thompson
2014-08-19 15:16                   ` Daniel Thompson
2014-08-19 15:16                   ` [PATCH v9 1/9] arm: versatile: Enable DEBUG_LL_UART_PL01X Daniel Thompson
2014-08-19 15:16                     ` Daniel Thompson
2014-08-19 15:16                   ` [PATCH v9 2/9] arm: ep93xx: " Daniel Thompson
2014-08-19 15:16                     ` Daniel Thompson
2014-08-19 15:16                   ` [PATCH v9 3/9] arm: Remove DEBUG_LL_UART_NONE Daniel Thompson
2014-08-19 15:16                     ` Daniel Thompson
2014-08-19 15:16                   ` [PATCH v9 4/9] arm: ks8695: Migrate debug_ll macros to shared directory Daniel Thompson
2014-08-19 15:16                     ` Daniel Thompson
2014-08-21 11:46                     ` Greg Ungerer
2014-08-21 11:46                       ` Greg Ungerer
2014-09-01  9:04                       ` Daniel Thompson
2014-09-01  9:04                         ` Daniel Thompson
2014-08-19 15:16                   ` [PATCH v9 5/9] arm: omap1: Migrate debug_ll macros to use 8250.S Daniel Thompson
2014-08-19 15:16                     ` Daniel Thompson
2014-09-08 23:04                     ` Tony Lindgren
2014-09-08 23:04                       ` Tony Lindgren
2014-08-19 15:16                   ` [PATCH v9 6/9] arm: netx: Migrate DEBUG_LL macros to shared directory Daniel Thompson
2014-08-19 15:16                     ` Daniel Thompson
2014-08-19 15:16                   ` [PATCH v9 7/9] arm: sa1100: " Daniel Thompson
2014-08-19 15:16                     ` Daniel Thompson
2014-08-19 15:16                   ` [PATCH v9 8/9] arm: Seperate DEBUG_UART_PHYS from DEBUG_LL on EP93XX Daniel Thompson
2014-08-19 15:16                     ` Daniel Thompson
2014-08-19 15:16                   ` [PATCH v9 9/9] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X) Daniel Thompson
2014-08-19 15:16                     ` Daniel Thompson

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