From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Alexander Shiyan <shc_work@mail.ru>,
Russell King <linux@arm.linux.org.uk>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 12/17] ARM clps711x: Simple optimise debug_macro by removing one NOP
Date: Sat, 21 Apr 2012 11:18:23 +0000 [thread overview]
Message-ID: <201204211118.23857.arnd@arndb.de> (raw)
In-Reply-To: <1334999490-27177-13-git-send-email-shc_work@mail.ru>
On Saturday 21 April 2012, Alexander Shiyan wrote:
>
> .macro addruart, rp, rv, tmp
> -#ifndef CONFIG_DEBUG_CLPS711X_UART2
> - mov \rp, #0x0000 @ UART1
> -#else
> - mov \rp, #0x1000 @ UART2
> +#ifdef CONFIG_DEBUG_CLPS711X_UART2
> + mov \rp, #0x1000 @ Add offset for UART2 base reg
> #endif
> orr \rv, \rp, #CLPS711X_VIRT_BASE
> orr \rp, \rp, #CLPS711X_PHYS_BASE
This looks wrong at first sight. Is rp guaranteed to be zero when calling
the macro? Am I misreading this? Sorry my ARM assembly skill is still horrible.
Arnd
next prev parent reply other threads:[~2012-04-21 11:18 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-21 9:11 clps711x patchset Alexander Shiyan
2012-04-21 9:11 ` [PATCH 01/17] ARM clps711x: Cleanup: Rename ARCH_EP7211 and ARCH_EP7212 to SOC_xxx Alexander Shiyan
2012-04-21 9:11 ` [PATCH 02/17] ARM clps711x: Added Cirrus Logic EP7312 CPU variant Alexander Shiyan
2012-04-21 11:21 ` Arnd Bergmann
2012-04-21 11:30 ` Re[2]: " Alexander Shiyan
2012-04-21 11:48 ` Russell King - ARM Linux
2012-04-21 12:11 ` Arnd Bergmann
2012-04-21 12:20 ` Russell King - ARM Linux
2012-04-22 13:58 ` Arnd Bergmann
2012-04-22 14:13 ` Russell King - ARM Linux
2012-04-22 14:24 ` Re[2]: " Alexander Shiyan
2012-04-21 9:11 ` [PATCH 03/17] ARM clps711x: Selecting CPU-variant automatically for clps711x targets Alexander Shiyan
2012-04-21 9:11 ` [PATCH 04/17] ARM clps711x: Using a single definition for virtual address register Alexander Shiyan
2012-04-21 9:11 ` [PATCH 05/17] ARM clps711x: Added missing definitions for PORT C Alexander Shiyan
2012-04-21 9:11 ` [PATCH 06/17] ARM clps711x: Remove now unused cs89712 board header Alexander Shiyan
2012-04-21 9:11 ` [PATCH 07/17] ARM clps711x: Remove unused includes Alexander Shiyan
2012-04-21 9:11 ` [PATCH 08/17] ARM clps711x: Cleanup: remove unused definitions for ep_readl/ep_writel Alexander Shiyan
2012-04-21 9:11 ` [PATCH 09/17] ARM clps711x: Using a single definition for physical address register Alexander Shiyan
2012-04-21 9:11 ` [PATCH 10/17] ARM clps711x: Address register renaming to reflect the fact that the name is the same for all arch Alexander Shiyan
2012-04-21 9:11 ` [PATCH 11/17] ARM clps711x: Move definitions of register address in one unit Alexander Shiyan
2012-04-21 9:11 ` [PATCH 12/17] ARM clps711x: Simple optimise debug_macro by removing one NOP Alexander Shiyan
2012-04-21 10:46 ` Russell King - ARM Linux
2012-04-21 10:50 ` Re[2]: " Alexander Shiyan
2012-04-21 11:18 ` Arnd Bergmann [this message]
2012-04-21 11:49 ` Arnd Bergmann
2012-04-21 9:11 ` [PATCH 13/17] ARM clps711x: Removed unused header mach/time.h Alexander Shiyan
2012-04-21 9:11 ` [PATCH 14/17] ARM clps711x: Do not mask interrupts in ack procedure Alexander Shiyan
2012-04-21 9:11 ` [PATCH 15/17] ARM clps711x: Removed unused definitions from mach/irqs.h Alexander Shiyan
2012-04-21 9:11 ` [PATCH 16/17] ARM clps711x: Replaced frequency settings to definition Alexander Shiyan
2012-04-21 9:11 ` [PATCH 17/17] ARM clps711x: Make select CPU spees as KConfig option Alexander Shiyan
2012-04-21 11:40 ` clps711x patchset Arnd Bergmann
2012-04-21 12:04 ` Re[2]: " Alexander Shiyan
2012-04-21 12:14 ` Arnd Bergmann
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