linux-kernel - Re: [PATCH v2 7/7] sparc32: Fix section mismatch in leon_pci

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Message-ID: <b62d0ae6-c2cb-4f2c-b792-2dba52a44e35@gaisler.com>
Date: Tue, 5 Mar 2024 16:06:52 +0100
From: Andreas Larsson <andreas@...sler.com>
To: sam@...nborg.org, "Maciej W. Rozycki" <macro@...am.me.uk>,
 sparclinux@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>
Cc: Miquel Raynal <miquel.raynal@...tlin.com>,
 linux-parport@...ts.infradead.org, "David S. Miller" <davem@...emloft.net>,
 Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
 Arvind Yadav <arvind.yadav.cs@...il.com>
Subject: Re: [PATCH v2 7/7] sparc32: Fix section mismatch in leon_pci_grpci

On 2024-02-24 18:42, Sam Ravnborg via B4 Relay wrote:
> From: Sam Ravnborg <sam@...nborg.org>
> 
> Passing a datastructre marked _initconst to platform_driver_register()
> is wrong. Drop the __initconst notation.
> 
> This fixes the following warnings:
> 
> WARNING: modpost: vmlinux: section mismatch in reference: grpci1_of_driver+0x30 (section: .data) -> grpci1_of_match (section: .init.rodata)
> WARNING: modpost: vmlinux: section mismatch in reference: grpci2_of_driver+0x30 (section: .data) -> grpci2_of_match (section: .init.rodata)
> 
> Signed-off-by: Sam Ravnborg <sam@...nborg.org>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Andreas Larsson <andreas@...sler.com>

Could you also add

Fixes: 4154bb821f0b ("sparc: leon: grpci1: constify of_device_id")
Fixes: 03949b1cb9f1 ("sparc: leon: grpci2: constify of_device_id")

for these fixes in your v3 of the series as well as CCing stable?

> ---
>  arch/sparc/kernel/leon_pci_grpci1.c | 2 +-
>  arch/sparc/kernel/leon_pci_grpci2.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/sparc/kernel/leon_pci_grpci1.c b/arch/sparc/kernel/leon_pci_grpci1.c
> index 8700a0e3b0df..b2b639bee068 100644
> --- a/arch/sparc/kernel/leon_pci_grpci1.c
> +++ b/arch/sparc/kernel/leon_pci_grpci1.c
> @@ -697,7 +697,7 @@ static int grpci1_of_probe(struct platform_device *ofdev)
>  	return err;
>  }
>  
> -static const struct of_device_id grpci1_of_match[] __initconst = {
> +static const struct of_device_id grpci1_of_match[] = {
>  	{
>  	 .name = "GAISLER_PCIFBRG",
>  	 },
> diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c
> index 282b49d496ea..9f662340b5b2 100644
> --- a/arch/sparc/kernel/leon_pci_grpci2.c
> +++ b/arch/sparc/kernel/leon_pci_grpci2.c
> @@ -889,7 +889,7 @@ static int grpci2_of_probe(struct platform_device *ofdev)
>  	return err;
>  }
>  
> -static const struct of_device_id grpci2_of_match[] __initconst = {
> +static const struct of_device_id grpci2_of_match[] = {
>  	{
>  	 .name = "GAISLER_GRPCI2",
>  	 },
> 

Thanks,
Andreas