linux-kernel - Re: [PATCH 40/44] tty: hvc, drop unneeded forward declarations

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Date:   Tue, 2 Mar 2021 11:09:48 -0800
From:   Tyrel Datwyler <tyreld@...ux.ibm.com>
To:     Jiri Slaby <jslaby@...e.cz>, gregkh@...uxfoundation.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org
Subject: Re: [PATCH 40/44] tty: hvc, drop unneeded forward declarations

On 3/1/21 10:22 PM, Jiri Slaby wrote:
> Forward declarations make the code larger and rewrites harder. Harder as
> they are often omitted from global changes. Remove forward declarations
> which are not really needed, i.e. the definition of the function is
> before its first use.
> 
> Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> Cc: linuxppc-dev@...ts.ozlabs.org

Reviewed-by: Tyrel Datwyler <tyreld@...ux.ibm.com>

> ---
>  drivers/tty/hvc/hvcs.c | 25 -------------------------
>  1 file changed, 25 deletions(-)
> 
> diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
> index c90848919644..0b89d878a108 100644
> --- a/drivers/tty/hvc/hvcs.c
> +++ b/drivers/tty/hvc/hvcs.c
> @@ -290,36 +290,11 @@ static LIST_HEAD(hvcs_structs);
>  static DEFINE_SPINLOCK(hvcs_structs_lock);
>  static DEFINE_MUTEX(hvcs_init_mutex);
> 
> -static void hvcs_unthrottle(struct tty_struct *tty);
> -static void hvcs_throttle(struct tty_struct *tty);
> -static irqreturn_t hvcs_handle_interrupt(int irq, void *dev_instance);
> -
> -static int hvcs_write(struct tty_struct *tty,
> -		const unsigned char *buf, int count);
> -static int hvcs_write_room(struct tty_struct *tty);
> -static int hvcs_chars_in_buffer(struct tty_struct *tty);
> -
> -static int hvcs_has_pi(struct hvcs_struct *hvcsd);
> -static void hvcs_set_pi(struct hvcs_partner_info *pi,
> -		struct hvcs_struct *hvcsd);
>  static int hvcs_get_pi(struct hvcs_struct *hvcsd);
>  static int hvcs_rescan_devices_list(void);
> 
> -static int hvcs_partner_connect(struct hvcs_struct *hvcsd);
>  static void hvcs_partner_free(struct hvcs_struct *hvcsd);
> 
> -static int hvcs_enable_device(struct hvcs_struct *hvcsd,
> -		uint32_t unit_address, unsigned int irq, struct vio_dev *dev);
> -
> -static int hvcs_open(struct tty_struct *tty, struct file *filp);
> -static void hvcs_close(struct tty_struct *tty, struct file *filp);
> -static void hvcs_hangup(struct tty_struct * tty);
> -
> -static int hvcs_probe(struct vio_dev *dev,
> -		const struct vio_device_id *id);
> -static int hvcs_remove(struct vio_dev *dev);
> -static int __init hvcs_module_init(void);
> -static void __exit hvcs_module_exit(void);
>  static int hvcs_initialize(void);
> 
>  #define HVCS_SCHED_READ	0x00000001
>