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path: root/drivers/pnp/interface.c
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Diffstat (limited to 'drivers/pnp/interface.c')
-rw-r--r--drivers/pnp/interface.c75
1 files changed, 43 insertions, 32 deletions
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 0c201317284b..44efcdb87e6f 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* interface.c - contains everything related to the user interface
*
@@ -17,7 +18,7 @@
#include <linux/slab.h>
#include <linux/mutex.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include "base.h"
@@ -32,6 +33,7 @@ struct pnp_info_buffer {
typedef struct pnp_info_buffer pnp_info_buffer_t;
+__printf(2, 3)
static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt, ...)
{
va_list args;
@@ -203,8 +205,8 @@ static void pnp_print_option(pnp_info_buffer_t * buffer, char *space,
}
}
-static ssize_t pnp_show_options(struct device *dmdev,
- struct device_attribute *attr, char *buf)
+static ssize_t options_show(struct device *dmdev, struct device_attribute *attr,
+ char *buf)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
pnp_info_buffer_t *buffer;
@@ -212,7 +214,7 @@ static ssize_t pnp_show_options(struct device *dmdev,
int ret, dep = 0, set = 0;
char *indent;
- buffer = pnp_alloc(sizeof(pnp_info_buffer_t));
+ buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
if (!buffer)
return -ENOMEM;
@@ -241,10 +243,10 @@ static ssize_t pnp_show_options(struct device *dmdev,
kfree(buffer);
return ret;
}
+static DEVICE_ATTR_RO(options);
-static ssize_t pnp_show_current_resources(struct device *dmdev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t resources_show(struct device *dmdev,
+ struct device_attribute *attr, char *buf)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
pnp_info_buffer_t *buffer;
@@ -255,7 +257,7 @@ static ssize_t pnp_show_current_resources(struct device *dmdev,
if (!dev)
return -EINVAL;
- buffer = pnp_alloc(sizeof(pnp_info_buffer_t));
+ buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
if (!buffer)
return -ENOMEM;
@@ -331,9 +333,9 @@ static char *pnp_get_resource_value(char *buf,
return buf;
}
-static ssize_t pnp_set_current_resources(struct device *dmdev,
- struct device_attribute *attr,
- const char *ubuf, size_t count)
+static ssize_t resources_store(struct device *dmdev,
+ struct device_attribute *attr, const char *ubuf,
+ size_t count)
{
struct pnp_dev *dev = to_pnp_dev(dmdev);
char *buf = (void *)ubuf;
@@ -346,41 +348,41 @@ static ssize_t pnp_set_current_resources(struct device *dmdev,
}
buf = skip_spaces(buf);
- if (!strnicmp(buf, "disable", 7)) {
+ if (!strncasecmp(buf, "disable", 7)) {
retval = pnp_disable_dev(dev);
goto done;
}
- if (!strnicmp(buf, "activate", 8)) {
+ if (!strncasecmp(buf, "activate", 8)) {
retval = pnp_activate_dev(dev);
goto done;
}
- if (!strnicmp(buf, "fill", 4)) {
+ if (!strncasecmp(buf, "fill", 4)) {
if (dev->active)
goto done;
retval = pnp_auto_config_dev(dev);
goto done;
}
- if (!strnicmp(buf, "auto", 4)) {
+ if (!strncasecmp(buf, "auto", 4)) {
if (dev->active)
goto done;
pnp_init_resources(dev);
retval = pnp_auto_config_dev(dev);
goto done;
}
- if (!strnicmp(buf, "clear", 5)) {
+ if (!strncasecmp(buf, "clear", 5)) {
if (dev->active)
goto done;
pnp_init_resources(dev);
goto done;
}
- if (!strnicmp(buf, "get", 3)) {
+ if (!strncasecmp(buf, "get", 3)) {
mutex_lock(&pnp_res_mutex);
if (pnp_can_read(dev))
dev->protocol->get(dev);
mutex_unlock(&pnp_res_mutex);
goto done;
}
- if (!strnicmp(buf, "set", 3)) {
+ if (!strncasecmp(buf, "set", 3)) {
resource_size_t start;
resource_size_t end;
unsigned long flags;
@@ -392,31 +394,31 @@ static ssize_t pnp_set_current_resources(struct device *dmdev,
mutex_lock(&pnp_res_mutex);
while (1) {
buf = skip_spaces(buf);
- if (!strnicmp(buf, "io", 2)) {
+ if (!strncasecmp(buf, "io", 2)) {
buf = pnp_get_resource_value(buf + 2,
IORESOURCE_IO,
&start, &end,
&flags);
pnp_add_io_resource(dev, start, end, flags);
- } else if (!strnicmp(buf, "mem", 3)) {
+ } else if (!strncasecmp(buf, "mem", 3)) {
buf = pnp_get_resource_value(buf + 3,
IORESOURCE_MEM,
&start, &end,
&flags);
pnp_add_mem_resource(dev, start, end, flags);
- } else if (!strnicmp(buf, "irq", 3)) {
+ } else if (!strncasecmp(buf, "irq", 3)) {
buf = pnp_get_resource_value(buf + 3,
IORESOURCE_IRQ,
&start, NULL,
&flags);
pnp_add_irq_resource(dev, start, flags);
- } else if (!strnicmp(buf, "dma", 3)) {
+ } else if (!strncasecmp(buf, "dma", 3)) {
buf = pnp_get_resource_value(buf + 3,
IORESOURCE_DMA,
&start, NULL,
&flags);
pnp_add_dma_resource(dev, start, flags);
- } else if (!strnicmp(buf, "bus", 3)) {
+ } else if (!strncasecmp(buf, "bus", 3)) {
buf = pnp_get_resource_value(buf + 3,
IORESOURCE_BUS,
&start, &end,
@@ -434,9 +436,10 @@ done:
return retval;
return count;
}
+static DEVICE_ATTR_RW(resources);
-static ssize_t pnp_show_current_ids(struct device *dmdev,
- struct device_attribute *attr, char *buf)
+static ssize_t id_show(struct device *dmdev, struct device_attribute *attr,
+ char *buf)
{
char *str = buf;
struct pnp_dev *dev = to_pnp_dev(dmdev);
@@ -448,12 +451,20 @@ static ssize_t pnp_show_current_ids(struct device *dmdev,
}
return (str - buf);
}
+static DEVICE_ATTR_RO(id);
-struct device_attribute pnp_interface_attrs[] = {
- __ATTR(resources, S_IRUGO | S_IWUSR,
- pnp_show_current_resources,
- pnp_set_current_resources),
- __ATTR(options, S_IRUGO, pnp_show_options, NULL),
- __ATTR(id, S_IRUGO, pnp_show_current_ids, NULL),
- __ATTR_NULL,
+static struct attribute *pnp_dev_attrs[] = {
+ &dev_attr_resources.attr,
+ &dev_attr_options.attr,
+ &dev_attr_id.attr,
+ NULL,
+};
+
+static const struct attribute_group pnp_dev_group = {
+ .attrs = pnp_dev_attrs,
+};
+
+const struct attribute_group *pnp_dev_groups[] = {
+ &pnp_dev_group,
+ NULL,
};
generated by cgit (git 2.34.1) at 2025-12-22 00:21:08 +0000