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serial: core: Switch to use DEVICE_ATTR_RO()

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Move device attributes to DEVICE_ATTR_RO() as that would make things
a lot more "obvious" what is happening here.

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200217114016.49856-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2020-02-17 13:40:11 +02:00 committed by Greg Kroah-Hartman
parent 643f7d95fe
commit 143c02c88d
1 changed files with 28 additions and 29 deletions
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57
drivers/tty/serial/serial_core.c
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@ -2614,7 +2614,7 @@ struct tty_driver *uart_console_device(struct console *co, int *index)
} }
EXPORT_SYMBOL_GPL(uart_console_device); EXPORT_SYMBOL_GPL(uart_console_device);
static ssize_t uart_get_attr_uartclk(struct device *dev, static ssize_t uartclk_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2624,7 +2624,7 @@ static ssize_t uart_get_attr_uartclk(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", tmp.baud_base * 16); return snprintf(buf, PAGE_SIZE, "%d\n", tmp.baud_base * 16);
} }
static ssize_t uart_get_attr_type(struct device *dev, static ssize_t type_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2633,7 +2633,8 @@ static ssize_t uart_get_attr_type(struct device *dev,
uart_get_info(port, &tmp); uart_get_info(port, &tmp);
return snprintf(buf, PAGE_SIZE, "%d\n", tmp.type); return snprintf(buf, PAGE_SIZE, "%d\n", tmp.type);
} }
static ssize_t uart_get_attr_line(struct device *dev,
static ssize_t line_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2643,7 +2644,7 @@ static ssize_t uart_get_attr_line(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", tmp.line); return snprintf(buf, PAGE_SIZE, "%d\n", tmp.line);
} }
static ssize_t uart_get_attr_port(struct device *dev, static ssize_t port_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2657,7 +2658,7 @@ static ssize_t uart_get_attr_port(struct device *dev,
return snprintf(buf, PAGE_SIZE, "0x%lX\n", ioaddr); return snprintf(buf, PAGE_SIZE, "0x%lX\n", ioaddr);
} }
static ssize_t uart_get_attr_irq(struct device *dev, static ssize_t irq_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2667,7 +2668,7 @@ static ssize_t uart_get_attr_irq(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", tmp.irq); return snprintf(buf, PAGE_SIZE, "%d\n", tmp.irq);
} }
static ssize_t uart_get_attr_flags(struct device *dev, static ssize_t flags_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2677,7 +2678,7 @@ static ssize_t uart_get_attr_flags(struct device *dev,
return snprintf(buf, PAGE_SIZE, "0x%X\n", tmp.flags); return snprintf(buf, PAGE_SIZE, "0x%X\n", tmp.flags);
} }
static ssize_t uart_get_attr_xmit_fifo_size(struct device *dev, static ssize_t xmit_fifo_size_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2687,8 +2688,7 @@ static ssize_t uart_get_attr_xmit_fifo_size(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", tmp.xmit_fifo_size); return snprintf(buf, PAGE_SIZE, "%d\n", tmp.xmit_fifo_size);
} }
static ssize_t close_delay_show(struct device *dev,
static ssize_t uart_get_attr_close_delay(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2698,8 +2698,7 @@ static ssize_t uart_get_attr_close_delay(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", tmp.close_delay); return snprintf(buf, PAGE_SIZE, "%d\n", tmp.close_delay);
} }
static ssize_t closing_wait_show(struct device *dev,
static ssize_t uart_get_attr_closing_wait(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2709,7 +2708,7 @@ static ssize_t uart_get_attr_closing_wait(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", tmp.closing_wait); return snprintf(buf, PAGE_SIZE, "%d\n", tmp.closing_wait);
} }
static ssize_t uart_get_attr_custom_divisor(struct device *dev, static ssize_t custom_divisor_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2719,7 +2718,7 @@ static ssize_t uart_get_attr_custom_divisor(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", tmp.custom_divisor); return snprintf(buf, PAGE_SIZE, "%d\n", tmp.custom_divisor);
} }
static ssize_t uart_get_attr_io_type(struct device *dev, static ssize_t io_type_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2729,7 +2728,7 @@ static ssize_t uart_get_attr_io_type(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", tmp.io_type); return snprintf(buf, PAGE_SIZE, "%d\n", tmp.io_type);
} }
static ssize_t uart_get_attr_iomem_base(struct device *dev, static ssize_t iomem_base_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2739,7 +2738,7 @@ static ssize_t uart_get_attr_iomem_base(struct device *dev,
return snprintf(buf, PAGE_SIZE, "0x%lX\n", (unsigned long)tmp.iomem_base); return snprintf(buf, PAGE_SIZE, "0x%lX\n", (unsigned long)tmp.iomem_base);
} }
static ssize_t uart_get_attr_iomem_reg_shift(struct device *dev, static ssize_t iomem_reg_shift_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct serial_struct tmp; struct serial_struct tmp;
@ -2749,28 +2748,28 @@ static ssize_t uart_get_attr_iomem_reg_shift(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%d\n", tmp.iomem_reg_shift); return snprintf(buf, PAGE_SIZE, "%d\n", tmp.iomem_reg_shift);
} }
static DEVICE_ATTR(type, 0440, uart_get_attr_type, NULL); static DEVICE_ATTR_RO(uartclk);
static DEVICE_ATTR(line, 0440, uart_get_attr_line, NULL); static DEVICE_ATTR_RO(type);
static DEVICE_ATTR(port, 0440, uart_get_attr_port, NULL); static DEVICE_ATTR_RO(line);
static DEVICE_ATTR(irq, 0440, uart_get_attr_irq, NULL); static DEVICE_ATTR_RO(port);
static DEVICE_ATTR(flags, 0440, uart_get_attr_flags, NULL); static DEVICE_ATTR_RO(irq);
static DEVICE_ATTR(xmit_fifo_size, 0440, uart_get_attr_xmit_fifo_size, NULL); static DEVICE_ATTR_RO(flags);
static DEVICE_ATTR(uartclk, 0440, uart_get_attr_uartclk, NULL); static DEVICE_ATTR_RO(xmit_fifo_size);
static DEVICE_ATTR(close_delay, 0440, uart_get_attr_close_delay, NULL); static DEVICE_ATTR_RO(close_delay);
static DEVICE_ATTR(closing_wait, 0440, uart_get_attr_closing_wait, NULL); static DEVICE_ATTR_RO(closing_wait);
static DEVICE_ATTR(custom_divisor, 0440, uart_get_attr_custom_divisor, NULL); static DEVICE_ATTR_RO(custom_divisor);
static DEVICE_ATTR(io_type, 0440, uart_get_attr_io_type, NULL); static DEVICE_ATTR_RO(io_type);
static DEVICE_ATTR(iomem_base, 0440, uart_get_attr_iomem_base, NULL); static DEVICE_ATTR_RO(iomem_base);
static DEVICE_ATTR(iomem_reg_shift, 0440, uart_get_attr_iomem_reg_shift, NULL); static DEVICE_ATTR_RO(iomem_reg_shift);
static struct attribute *tty_dev_attrs[] = { static struct attribute *tty_dev_attrs[] = {
&dev_attr_uartclk.attr,
&dev_attr_type.attr, &dev_attr_type.attr,
&dev_attr_line.attr, &dev_attr_line.attr,
&dev_attr_port.attr, &dev_attr_port.attr,
&dev_attr_irq.attr, &dev_attr_irq.attr,
&dev_attr_flags.attr, &dev_attr_flags.attr,
&dev_attr_xmit_fifo_size.attr, &dev_attr_xmit_fifo_size.attr,
&dev_attr_uartclk.attr,
&dev_attr_close_delay.attr, &dev_attr_close_delay.attr,
&dev_attr_closing_wait.attr, &dev_attr_closing_wait.attr,
&dev_attr_custom_divisor.attr, &dev_attr_custom_divisor.attr,