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Commit 7e1be8a5 authored by Al Viro's avatar Al Viro
Browse files

silicom: helper functions are often useful... 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent e784788d

drivers/staging/silicom/bp_mod.c

+43 −280
Original line number Diff line number Diff line
@@ -7541,22 +7541,17 @@ get_wd_set_caps_pfs(char *page, char **start, off_t off, int count, 
	return len;

}



int

set_bypass_pfs(struct file *file, const char *buffer,

	       unsigned long count, void *data)

static int user_on_off(const void __user *buffer, size_t count)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int bypass_param = 0, length = 0;

	int length = 0;



	if (count > (sizeof(kbuf) - 1))

		return -1;



	if (copy_from_user(&kbuf, buffer, count)) {

	if (copy_from_user(&kbuf, buffer, count))

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);
@@ -7564,12 +7559,22 @@ set_bypass_pfs(struct file *file, const char *buffer, 
		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		bypass_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		bypass_param = 0;

		return 1;

	if (strcmp(kbuf, "off") == 0)

		return 0;

	return 0;

}



	set_bypass_fn(pbp_device_block, bypass_param);

int

set_bypass_pfs(struct file *file, const char *buffer,

	       unsigned long count, void *data)

{

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;

	int bypass_param = user_on_off(buffer, count);

	if (bypass_param < 0)

		return -1;



	set_bypass_fn(pbp_device_block, bypass_param);

	return count;

}
@@ -7578,30 +7583,12 @@ set_tap_pfs(struct file *file, const char *buffer, 
	    unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int tap_param = 0, length = 0;



	if (count > (sizeof(kbuf) - 1))

	int tap_param = user_on_off(buffer, count);

	if (tap_param < 0)

		return -1;



	if (copy_from_user(&kbuf, buffer, count)) {

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		tap_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		tap_param = 0;



	set_tap_fn(pbp_device_block, tap_param);



	return count;

}
@@ -7610,30 +7597,12 @@ set_disc_pfs(struct file *file, const char *buffer, 
	     unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int tap_param = 0, length = 0;



	if (count > (sizeof(kbuf) - 1))

	int tap_param = user_on_off(buffer, count);

	if (tap_param < 0)

		return -1;



	if (copy_from_user(&kbuf, buffer, count)) {

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		tap_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		tap_param = 0;



	set_disc_fn(pbp_device_block, tap_param);



	return count;

}
@@ -7914,30 +7883,12 @@ set_dis_bypass_pfs(struct file *file, const char *buffer, 
		   unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int bypass_param = 0, length = 0;



	if (count >= sizeof(kbuf))

	int bypass_param = user_on_off(buffer, count);

	if (bypass_param < 0)

		return -EINVAL;



	if (copy_from_user(&kbuf, buffer, count)) {

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		bypass_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		bypass_param = 0;



	set_dis_bypass_fn(pbp_device_block, bypass_param);



	return count;

}
@@ -7946,30 +7897,12 @@ set_dis_tap_pfs(struct file *file, const char *buffer, 
		unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int tap_param = 0, length = 0;



	if (count >= sizeof(kbuf))

	int tap_param = user_on_off(buffer, count);

	if (tap_param < 0)

		return -EINVAL;



	if (copy_from_user(&kbuf, buffer, count)) {

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		tap_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		tap_param = 0;



	set_dis_tap_fn(pbp_device_block, tap_param);



	return count;

}
@@ -7978,30 +7911,12 @@ set_dis_disc_pfs(struct file *file, const char *buffer, 
		 unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int tap_param = 0, length = 0;



	if (count >= sizeof(kbuf))

	int tap_param = user_on_off(buffer, count);

	if (tap_param < 0)

		return -EINVAL;



	if (copy_from_user(&kbuf, buffer, count)) {

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		tap_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		tap_param = 0;



	set_dis_disc_fn(pbp_device_block, tap_param);



	return count;

}
@@ -8069,31 +7984,12 @@ int 
set_bypass_pwup_pfs(struct file *file, const char *buffer,

		    unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int bypass_param = 0, length = 0;



	if (count >= sizeof(kbuf))

	int bypass_param = user_on_off(buffer, count);

	if (bypass_param < 0)

		return -EINVAL;



	if (copy_from_user(&kbuf, buffer, count)) {

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		bypass_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		bypass_param = 0;



	set_bypass_pwup_fn(pbp_device_block, bypass_param);



	return count;

}
@@ -8101,31 +7997,12 @@ int 
set_bypass_pwoff_pfs(struct file *file, const char *buffer,

		     unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int bypass_param = 0, length = 0;



	if (count >= sizeof(kbuf))

	int bypass_param = user_on_off(buffer, count);

	if (bypass_param < 0)

		return -EINVAL;



	if (copy_from_user(&kbuf, buffer, count)) {

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		bypass_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		bypass_param = 0;



	set_bypass_pwoff_fn(pbp_device_block, bypass_param);



	return count;

}
@@ -8133,31 +8010,12 @@ int 
set_tap_pwup_pfs(struct file *file, const char *buffer,

		 unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int tap_param = 0, length = 0;



	if (count >= sizeof(kbuf))

	int tap_param = user_on_off(buffer, count);

	if (tap_param < 0)

		return -EINVAL;



	if (copy_from_user(&kbuf, buffer, count)) {

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		tap_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		tap_param = 0;



	set_tap_pwup_fn(pbp_device_block, tap_param);



	return count;

}
@@ -8165,31 +8023,12 @@ int 
set_disc_pwup_pfs(struct file *file, const char *buffer,

		  unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int tap_param = 0, length = 0;



	if (count >= sizeof(kbuf))

	int tap_param = user_on_off(buffer, count);

	if (tap_param < 0)

		return -EINVAL;



	if (copy_from_user(&kbuf, buffer, count)) {

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		tap_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		tap_param = 0;



	set_disc_pwup_fn(pbp_device_block, tap_param);



	return count;

}
@@ -8277,31 +8116,12 @@ int 
set_std_nic_pfs(struct file *file, const char *buffer,

		unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int bypass_param = 0, length = 0;



	if (count >= sizeof(kbuf))

	int bypass_param = user_on_off(buffer, count);

	if (bypass_param < 0)

		return -EINVAL;



	if (copy_from_user(&kbuf, buffer, count)) {

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		bypass_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		bypass_param = 0;



	set_std_nic_fn(pbp_device_block, bypass_param);



	return count;

}
@@ -8420,31 +8240,12 @@ int 
set_tpl_pfs(struct file *file, const char *buffer,

	    unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int tpl_param = 0, length = 0;



	if (count > (sizeof(kbuf) - 1))

		return -1;



	if (copy_from_user(&kbuf, buffer, count)) {

	int tpl_param = user_on_off(buffer, count);

	if (tpl_param < 0)

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		tpl_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		tpl_param = 0;



	set_tpl_fn(pbp_device_block, tpl_param);



	return count;

}
@@ -8453,31 +8254,12 @@ int 
set_wait_at_pwup_pfs(struct file *file, const char *buffer,

		     unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int tpl_param = 0, length = 0;



	if (count > (sizeof(kbuf) - 1))

		return -1;



	if (copy_from_user(&kbuf, buffer, count)) {

	int tpl_param = user_on_off(buffer, count);

	if (tpl_param < 0)

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		tpl_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		tpl_param = 0;



	set_bp_wait_at_pwup_fn(pbp_device_block, tpl_param);



	return count;

}
@@ -8485,31 +8267,12 @@ int 
set_hw_reset_pfs(struct file *file, const char *buffer,

		 unsigned long count, void *data)

{



	char kbuf[256];

	bpctl_dev_t *pbp_device_block = (bpctl_dev_t *) data;



	int tpl_param = 0, length = 0;



	if (count > (sizeof(kbuf) - 1))

		return -1;



	if (copy_from_user(&kbuf, buffer, count)) {

	int tpl_param = user_on_off(buffer, count);

	if (tpl_param < 0)

		return -1;

	}



	kbuf[count] = '\0';

	length = strlen(kbuf);

	if (kbuf[length - 1] == '\n')

		kbuf[--length] = '\0';



	if (strcmp(kbuf, "on") == 0)

		tpl_param = 1;

	else if (strcmp(kbuf, "off") == 0)

		tpl_param = 0;



	set_bp_hw_reset_fn(pbp_device_block, tpl_param);



	return count;

}