linux-kernel - Re: [PATCH 1/2] ARM: at91: fix link error

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Date:   Mon, 19 Jul 2021 14:40:27 +0200
From:   Nicolas Ferre <nicolas.ferre@...rochip.com>
To:     Claudiu Beznea <claudiu.beznea@...rochip.com>,
        <linux@...linux.org.uk>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>, <mturquette@...libre.com>,
        <sboyd@...nel.org>
CC:     <eugen.hristev@...rochip.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <sfr@...b.auug.org.au>
Subject: Re: [PATCH 1/2] ARM: at91: fix link error

Hi Claudiu,

On 19/07/2021 at 10:03, Claudiu Beznea wrote:
> PM support for SAMA7G5 has been submitted to mailing list before SAMA7G5
> soc support thus the SAMA7G5 was not present in AT91 Kconfig file at
> that moment. SoC support for SAMA7G5 hasn't added the proper PM flags to
> Kconfig thus the link error bellow:
> 
> arch/arm/mach-at91/sama7.o: In function `sama7_dt_device_init':
> sama7.c:(.init.text+0x18): undefined reference to `sama7_pm_init'
> make: *** [Makefile:1176: vmlinux] Error 1
> 
> Add proper flags to AT91 Kconfig file to solve the issue.
> 
> Fixes: 5617a08dd9e1 ("ARM: at91: pm: add pm support for SAMA7G5")
> Fixes: 18d694ecd91e ("ARM: at91: add new SoC sama7g5")
> Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
> ---
>   arch/arm/mach-at91/Kconfig | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
> index f52b46bccd85..b09bb2279f7f 100644
> --- a/arch/arm/mach-at91/Kconfig
> +++ b/arch/arm/mach-at91/Kconfig
> @@ -204,6 +204,9 @@ config ATMEL_PM
>   config SOC_SAMA7
>   	bool
>   	select ARM_GIC
> +	select ATMEL_PM if PM
> +	select ATMEL_SDRAMC
>   	select MEMORY
>   	select SOC_SAM_V7
> +	select SRAM if PM

Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com>

I squashed this patch in 18d694ecd91e ("ARM: at91: add new SoC 
sama7g5"), verified that it compiles and rebased the at91-soc branch on 
it. The commit message is as follow (wrapped):

ARM: at91: add new SoC sama7g5

Add new SoC from at91 family : sama7g5

Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
[claudiu.beznea@...rochip.com: Select PLL, generic clock and UTMI 
support, add PM configs]
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@...rochip.com>
Link: 
https://lore.kernel.org/r/20210409113116.482199-1-eugen.hristev@microchip.com
Link: 
https://lore.kernel.org/r/20210719080317.1045832-2-claudiu.beznea@microchip.com

Added lore link will allow us to trace this part of the discussion.
Here is the new branch:
https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux.git/log/?h=at91-soc

Tell me if it's good for you.

Thanks for having fixed that so quickly. Best regards,
   Nicolas


-- 
Nicolas Ferre