linux-kernel - Re: [PATCH] ARM: at91: use proper asm syntax in pm

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Date:   Thu, 4 Feb 2021 18:18:14 +0000
From:   <Claudiu.Beznea@...rochip.com>
To:     <arnd@...nel.org>, <linux@...linux.org.uk>,
        <Nicolas.Ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <Ludovic.Desroches@...rochip.com>, <nathan@...nel.org>,
        <ndesaulniers@...gle.com>
CC:     <soc@...nel.org>, <arnd@...db.de>, <sboyd@...nel.org>,
        <clang-built-linux@...glegroups.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: at91: use proper asm syntax in pm_suspend



On 04.02.2021 18:01, Arnd Bergmann wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> From: Arnd Bergmann <arnd@...db.de>
> 
> Compiling with the clang integrated assembler warns about
> a recently added instruction:
> 
> <instantiation>:14:13: error: unknown token in expression
>  ldr tmp1, =#0x00020010UL
> arch/arm/mach-at91/pm_suspend.S:542:2: note: while in macro instantiation
>  at91_plla_enable
> 
> Remove the extra '#' character that is not used for the 'ldr'
> instruction when doing an indirect load of a constant.
> 
> Fixes: 4fd36e458392 ("ARM: at91: pm: add plla disable/enable support for sam9x60")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
Tested-by: Claudiu Beznea <claudiu.beznea@...rochip.com>

> ---
>  arch/arm/mach-at91/pm_suspend.S | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
> index 909856c8a8c6..0d467cc40129 100644
> --- a/arch/arm/mach-at91/pm_suspend.S
> +++ b/arch/arm/mach-at91/pm_suspend.S
> @@ -446,7 +446,7 @@ ENDPROC(at91_backup_mode)
>         str     tmp1, [pmc, #AT91_PMC_PLL_UPDT]
> 
>         /* step 2. */
> -       ldr     tmp1, =#AT91_PMC_PLL_ACR_DEFAULT_PLLA
> +       ldr     tmp1, =AT91_PMC_PLL_ACR_DEFAULT_PLLA
>         str     tmp1, [pmc, #AT91_PMC_PLL_ACR]
> 
>         /* step 3. */
> --
> 2.29.2
>