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Message-ID: <s5hegwt4r10.wl%tiwai@suse.de>
Date: Wed, 06 Aug 2014 16:43:55 +0200
From: Takashi Iwai <tiwai@...e.de>
To: Himangi Saraogi <himangi774@...il.com>
Cc: Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org,
linux-kernel@...r.kernel.org, Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] sound: oss: uart401: Remove typedef uart401_devc
At Wed, 6 Aug 2014 18:17:25 +0530,
Himangi Saraogi wrote:
>
> The Linux kernel coding style guidelines suggest not using typedefs
> for structure types. This patch gets rid of the typedef for uart401_devc.
>
> The following Coccinelle semantic patch detects the case.
>
> @tn@
> identifier i;
> type td;
> @@
>
> -typedef
> struct i { ... }
> -td
> ;
>
> @@
> type tn.td;
> identifier tn.i;
> @@
>
> -td
> + struct i
>
> Signed-off-by: Himangi Saraogi <himangi774@...il.com>
> Acked-by: Julia Lawall <julia.lawall@...6.fr>
Applied, thanks.
Takashi
> ---
> sound/oss/uart401.c | 40 +++++++++++++++++++++-------------------
> 1 file changed, 21 insertions(+), 19 deletions(-)
>
> diff --git a/sound/oss/uart401.c b/sound/oss/uart401.c
> index 62b8869..279bc56 100644
> --- a/sound/oss/uart401.c
> +++ b/sound/oss/uart401.c
> @@ -30,7 +30,7 @@
>
> #include "mpu401.h"
>
> -typedef struct uart401_devc
> +struct uart401_devc
> {
> int base;
> int irq;
> @@ -41,14 +41,13 @@ typedef struct uart401_devc
> int my_dev;
> int share_irq;
> spinlock_t lock;
> -}
> -uart401_devc;
> +};
>
> #define DATAPORT (devc->base)
> #define COMDPORT (devc->base+1)
> #define STATPORT (devc->base+1)
>
> -static int uart401_status(uart401_devc * devc)
> +static int uart401_status(struct uart401_devc *devc)
> {
> return inb(STATPORT);
> }
> @@ -56,17 +55,17 @@ static int uart401_status(uart401_devc * devc)
> #define input_avail(devc) (!(uart401_status(devc)&INPUT_AVAIL))
> #define output_ready(devc) (!(uart401_status(devc)&OUTPUT_READY))
>
> -static void uart401_cmd(uart401_devc * devc, unsigned char cmd)
> +static void uart401_cmd(struct uart401_devc *devc, unsigned char cmd)
> {
> outb((cmd), COMDPORT);
> }
>
> -static int uart401_read(uart401_devc * devc)
> +static int uart401_read(struct uart401_devc *devc)
> {
> return inb(DATAPORT);
> }
>
> -static void uart401_write(uart401_devc * devc, unsigned char byte)
> +static void uart401_write(struct uart401_devc *devc, unsigned char byte)
> {
> outb((byte), DATAPORT);
> }
> @@ -77,10 +76,10 @@ static void uart401_write(uart401_devc * devc, unsigned char byte)
> #define MPU_RESET 0xFF
> #define UART_MODE_ON 0x3F
>
> -static int reset_uart401(uart401_devc * devc);
> -static void enter_uart_mode(uart401_devc * devc);
> +static int reset_uart401(struct uart401_devc *devc);
> +static void enter_uart_mode(struct uart401_devc *devc);
>
> -static void uart401_input_loop(uart401_devc * devc)
> +static void uart401_input_loop(struct uart401_devc *devc)
> {
> int work_limit=30000;
>
> @@ -99,7 +98,7 @@ static void uart401_input_loop(uart401_devc * devc)
>
> irqreturn_t uart401intr(int irq, void *dev_id)
> {
> - uart401_devc *devc = dev_id;
> + struct uart401_devc *devc = dev_id;
>
> if (devc == NULL)
> {
> @@ -118,7 +117,8 @@ uart401_open(int dev, int mode,
> void (*output) (int dev)
> )
> {
> - uart401_devc *devc = (uart401_devc *) midi_devs[dev]->devc;
> + struct uart401_devc *devc = (struct uart401_devc *)
> + midi_devs[dev]->devc;
>
> if (devc->opened)
> return -EBUSY;
> @@ -138,7 +138,8 @@ uart401_open(int dev, int mode,
>
> static void uart401_close(int dev)
> {
> - uart401_devc *devc = (uart401_devc *) midi_devs[dev]->devc;
> + struct uart401_devc *devc = (struct uart401_devc *)
> + midi_devs[dev]->devc;
>
> reset_uart401(devc);
> devc->opened = 0;
> @@ -148,7 +149,8 @@ static int uart401_out(int dev, unsigned char midi_byte)
> {
> int timeout;
> unsigned long flags;
> - uart401_devc *devc = (uart401_devc *) midi_devs[dev]->devc;
> + struct uart401_devc *devc = (struct uart401_devc *)
> + midi_devs[dev]->devc;
>
> if (devc->disabled)
> return 1;
> @@ -219,7 +221,7 @@ static const struct midi_operations uart401_operations =
> .buffer_status = uart401_buffer_status,
> };
>
> -static void enter_uart_mode(uart401_devc * devc)
> +static void enter_uart_mode(struct uart401_devc *devc)
> {
> int ok, timeout;
> unsigned long flags;
> @@ -241,7 +243,7 @@ static void enter_uart_mode(uart401_devc * devc)
> spin_unlock_irqrestore(&devc->lock,flags);
> }
>
> -static int reset_uart401(uart401_devc * devc)
> +static int reset_uart401(struct uart401_devc *devc)
> {
> int ok, timeout, n;
>
> @@ -285,7 +287,7 @@ static int reset_uart401(uart401_devc * devc)
>
> int probe_uart401(struct address_info *hw_config, struct module *owner)
> {
> - uart401_devc *devc;
> + struct uart401_devc *devc;
> char *name = "MPU-401 (UART) MIDI";
> int ok = 0;
> unsigned long flags;
> @@ -300,7 +302,7 @@ int probe_uart401(struct address_info *hw_config, struct module *owner)
> return 0;
> }
>
> - devc = kmalloc(sizeof(uart401_devc), GFP_KERNEL);
> + devc = kmalloc(sizeof(struct uart401_devc), GFP_KERNEL);
> if (!devc) {
> printk(KERN_WARNING "uart401: Can't allocate memory\n");
> goto cleanup_region;
> @@ -392,7 +394,7 @@ cleanup_region:
>
> void unload_uart401(struct address_info *hw_config)
> {
> - uart401_devc *devc;
> + struct uart401_devc *devc;
> int n=hw_config->slots[4];
>
> /* Not set up */
> --
> 1.9.1
>
--
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