linux-kernel - Re: [PATCH v2 1/2] powerpc: Make some functions static

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Message-ID: <144a0b47-184c-94ab-caa7-fbf15cfb3b4d@codeaurora.org>
Date:   Wed, 27 Mar 2019 18:10:12 +0530
From:   Mukesh Ojha <mojha@...eaurora.org>
To:     Mathieu Malaterre <malat@...ian.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] powerpc: Make some functions static


On 3/27/2019 2:17 AM, Mathieu Malaterre wrote:
> In commit cb9e4d10c448 ("[POWERPC] Add support for 750CL Holly board")
> new functions were added. Since most of these functions can be made static,
> make it so.
>
> Both holly_power_off and holly_halt functions were not changed since they
> are unused, making them static would have triggered the following warning
> (treated as error):
>
>    arch/powerpc/platforms/embedded6xx/holly.c:244:13: error: 'holly_halt' defined but not used [-Werror=unused-function]
>
> Silence the following warnings triggered using W=1:
>
>    arch/powerpc/platforms/embedded6xx/holly.c:47:5: error: no previous prototype for 'holly_exclude_device' [-Werror=missing-prototypes]
>    arch/powerpc/platforms/embedded6xx/holly.c:190:6: error: no previous prototype for 'holly_show_cpuinfo' [-Werror=missing-prototypes]
>    arch/powerpc/platforms/embedded6xx/holly.c:196:17: error: no previous prototype for 'holly_restart' [-Werror=missing-prototypes]
>
> Signed-off-by: Mathieu Malaterre <malat@...ian.org>


Reviewed-by: Mukesh Ojha <mojha@...eaurora.org>

> ---
> v2: Split the patch in two operations
>
>   arch/powerpc/platforms/embedded6xx/holly.c | 7 ++++---
>   1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c
> index 0409714e8070..9d2eefef7b7b 100644
> --- a/arch/powerpc/platforms/embedded6xx/holly.c
> +++ b/arch/powerpc/platforms/embedded6xx/holly.c
> @@ -44,7 +44,8 @@
>   
>   #define HOLLY_PCI_CFG_PHYS 0x7c000000
>   
> -int holly_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn)
> +static int holly_exclude_device(struct pci_controller *hose, u_char bus,
> +				u_char devfn)
>   {
>   	if (bus == 0 && PCI_SLOT(devfn) == 0)
>   		return PCIBIOS_DEVICE_NOT_FOUND;
> @@ -187,13 +188,13 @@ static void __init holly_init_IRQ(void)
>   	tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0);
>   }
>   
> -void holly_show_cpuinfo(struct seq_file *m)
> +static void holly_show_cpuinfo(struct seq_file *m)
>   {
>   	seq_printf(m, "vendor\t\t: IBM\n");
>   	seq_printf(m, "machine\t\t: PPC750 GX/CL\n");
>   }
>   
> -void __noreturn holly_restart(char *cmd)
> +static void __noreturn holly_restart(char *cmd)
>   {
>   	__be32 __iomem *ocn_bar1 = NULL;
>   	unsigned long bar;