linux-kernel - Re: [PATCH] ARM: remove duplicate 'const' annotations'

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Date:   Thu, 11 May 2017 11:07:39 -0400 (EDT)
From:   Nicolas Pitre <nicolas.pitre@...aro.org>
To:     Arnd Bergmann <arnd@...db.de>
cc:     arm@...nel.org, Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        Russell King <linux@...linux.org.uk>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Krzysztof Halasa <khalasa@...p.pl>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Paul Walmsley <paul@...an.com>,
        Tony Lindgren <tony@...mide.com>,
        Viresh Kumar <vireshk@...nel.org>,
        Wenyou Yang <wenyou.yang@...el.com>,
        Olof Johansson <olof@...om.net>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org
Subject: Re: [PATCH] ARM: remove duplicate 'const' annotations'

On Thu, 11 May 2017, Arnd Bergmann wrote:

> gcc-7 warns about some declarations that are more 'const' than necessary:
> 
> arch/arm/mach-at91/pm.c:338:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
>  static const struct of_device_id const ramc_ids[] __initconst = {
> arch/arm/mach-bcm/bcm_kona_smc.c:36:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
>  static const struct of_device_id const bcm_kona_smc_ids[] __initconst = {
> arch/arm/mach-spear/time.c:207:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
>  static const struct of_device_id const timer_of_match[] __initconst = {
> arch/arm/mach-omap2/prm_common.c:714:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
>  static const struct of_device_id const omap_prcm_dt_match_table[] __initconst = {
> arch/arm/mach-omap2/vc.c:562:35: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
>  static const struct i2c_init_data const omap4_i2c_timing_data[] __initconst = {
> 
> The ones in arch/arm were apparently all introduced accidentally by one
> commit that correctly marked a lot of variables as __initconst.
> 
> Cc: Nicolas Pitre <nico@...aro.org>
> Fixes: 19c233b79d1a ("ARM: appropriate __init annotation for const data")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Nicolas Pitre <nico@...aro.org>



> ---
>  arch/arm/mach-at91/pm.c          | 2 +-
>  arch/arm/mach-bcm/bcm_kona_smc.c | 2 +-
>  arch/arm/mach-cns3xxx/core.c     | 2 +-
>  arch/arm/mach-omap2/prm_common.c | 2 +-
>  arch/arm/mach-omap2/vc.c         | 2 +-
>  arch/arm/mach-spear/time.c       | 2 +-
>  6 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
> index 2cd27c830ab6..283e79ab587d 100644
> --- a/arch/arm/mach-at91/pm.c
> +++ b/arch/arm/mach-at91/pm.c
> @@ -335,7 +335,7 @@ static const struct ramc_info ramc_infos[] __initconst = {
>  	{ .idle = sama5d3_ddr_standby, .memctrl = AT91_MEMCTRL_DDRSDR},
>  };
>  
> -static const struct of_device_id const ramc_ids[] __initconst = {
> +static const struct of_device_id ramc_ids[] __initconst = {
>  	{ .compatible = "atmel,at91rm9200-sdramc", .data = &ramc_infos[0] },
>  	{ .compatible = "atmel,at91sam9260-sdramc", .data = &ramc_infos[1] },
>  	{ .compatible = "atmel,at91sam9g45-ddramc", .data = &ramc_infos[2] },
> diff --git a/arch/arm/mach-bcm/bcm_kona_smc.c b/arch/arm/mach-bcm/bcm_kona_smc.c
> index 5157faa502eb..3937bd5d452f 100644
> --- a/arch/arm/mach-bcm/bcm_kona_smc.c
> +++ b/arch/arm/mach-bcm/bcm_kona_smc.c
> @@ -33,7 +33,7 @@ struct bcm_kona_smc_data {
>  	unsigned result;
>  };
>  
> -static const struct of_device_id const bcm_kona_smc_ids[] __initconst = {
> +static const struct of_device_id bcm_kona_smc_ids[] __initconst = {
>  	{.compatible = "brcm,kona-smc"},
>  	{.compatible = "bcm,kona-smc"}, /* deprecated name */
>  	{},
> diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c
> index 03da3813f1ab..7d5a44a06648 100644
> --- a/arch/arm/mach-cns3xxx/core.c
> +++ b/arch/arm/mach-cns3xxx/core.c
> @@ -346,7 +346,7 @@ static struct usb_ohci_pdata cns3xxx_usb_ohci_pdata = {
>  	.power_off	= csn3xxx_usb_power_off,
>  };
>  
> -static const struct of_dev_auxdata const cns3xxx_auxdata[] __initconst = {
> +static const struct of_dev_auxdata cns3xxx_auxdata[] __initconst = {
>  	{ "intel,usb-ehci", CNS3XXX_USB_BASE, "ehci-platform", &cns3xxx_usb_ehci_pdata },
>  	{ "intel,usb-ohci", CNS3XXX_USB_OHCI_BASE, "ohci-platform", &cns3xxx_usb_ohci_pdata },
>  	{ "cavium,cns3420-ahci", CNS3XXX_SATA2_BASE, "ahci", NULL },
> diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
> index 2b138b65129a..dc11841ca334 100644
> --- a/arch/arm/mach-omap2/prm_common.c
> +++ b/arch/arm/mach-omap2/prm_common.c
> @@ -711,7 +711,7 @@ static struct omap_prcm_init_data scrm_data __initdata = {
>  };
>  #endif
>  
> -static const struct of_device_id const omap_prcm_dt_match_table[] __initconst = {
> +static const struct of_device_id omap_prcm_dt_match_table[] __initconst = {
>  #ifdef CONFIG_SOC_AM33XX
>  	{ .compatible = "ti,am3-prcm", .data = &am3_prm_data },
>  #endif
> diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
> index 2028167fff31..d76b1e5eb8ba 100644
> --- a/arch/arm/mach-omap2/vc.c
> +++ b/arch/arm/mach-omap2/vc.c
> @@ -559,7 +559,7 @@ struct i2c_init_data {
>  	u8 hsscll_12;
>  };
>  
> -static const struct i2c_init_data const omap4_i2c_timing_data[] __initconst = {
> +static const struct i2c_init_data omap4_i2c_timing_data[] __initconst = {
>  	{
>  		.load = 50,
>  		.loadbits = 0x3,
> diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c
> index 4878ba90026d..289e036c9c30 100644
> --- a/arch/arm/mach-spear/time.c
> +++ b/arch/arm/mach-spear/time.c
> @@ -204,7 +204,7 @@ static void __init spear_clockevent_init(int irq)
>  	setup_irq(irq, &spear_timer_irq);
>  }
>  
> -static const struct of_device_id const timer_of_match[] __initconst = {
> +static const struct of_device_id timer_of_match[] __initconst = {
>  	{ .compatible = "st,spear-timer", },
>  	{ },
>  };
> -- 
> 2.9.0
> 
>