int eddy_gpio_ioctl(struct inode *inode, struct file *flip,
unsigned int command, unsigned long arg)
{
int ret=0;
int tmp = 0;
int copy_size =0;
void __user *argp = (void __user *)arg;
switch (command) {
case INIT_PRODUCT:
productID = get_productID();
/* all common setting */
/* ready led set mode out */
at91_set_gpio_output(AT91_PIN_PC4,GPIO_HIGH);
/* reset swith read */
at91_set_gpio_input(AT91_PIN_PC16,PULLUP_ENABLE);
/* hardware reset */
/* each product dependent setting */
init_product();
break;
case GET_PRODUCTID:
if(productID == 0x00)
{
productID = get_productID();
}
return productID;
break;
case COMRXON:
/* receive enable */
at91_set_gpio_value(AT91_PIN_PC16,GPIO_HIGH);
/* transmit disable */
at91_set_gpio_value(AT91_PIN_PC17,GPIO_HIGH);
break;
case COMTXON:
/* receive disable */
at91_set_gpio_value(AT91_PIN_PC16,GPIO_LOW);
/* transmit enable */
at91_set_gpio_value(AT91_PIN_PC17,GPIO_LOW);
break;
case RDY_LED_ON:
/* ready LED on */
// printk("ready led on\n");
at91_set_gpio_value(AT91_PIN_PC4,GPIO_HIGH);
break;
case RDY_LED_OFF:
// printk("ready led off\n");
/* ready LED off */
at91_set_gpio_value(AT91_PIN_PC4,GPIO_LOW);
break;
case RESET_READ:
/* reset switch read */
// ret = at91_get_gpio_value(AT91_PIN_PC16);
ret = 1;
break;
case HW_RESET:
/* Hardware reset */
at91_set_gpio_value(AT91_PIN_PB19,GPIO_HIGH);
udelay(100);
at91_set_gpio_value(AT91_PIN_PB19,GPIO_HIGH);
udelay(100);
at91_set_gpio_value(AT91_PIN_PB19,GPIO_HIGH);
udelay(100);
break;
case SETGPIOMODEIN:
if(copy_from_user(&tmp, (void *) arg, sizeof(int)))
{
return -EFAULT;
}
else
{
if(productID == EDDY_CPU)
{
tmp += AT91_PIN_PC16 ;
}
if(productID == EDDY_S1_PIN || productID == EDDY_S1_PIN_C || productID == EDDY_S2_M || productID == EDDY_S2_M_C)
{
tmp += AT91_PIN_PC28 ;
}
if(productID == EDDY_DK_C)
{
tmp += AT91_PIN_PC20 ;
}
}
ret = check_gpio_num(tmp);
//printk("set gpio mode in ret = %d, tmp = %d \n",ret,tmp);
if(ret < 0)
{
break;
}
else
{
ret = at91_set_gpio_input(tmp,PULLUP_ENABLE);
break;
}
case SETGPIOMODEOUT:
if(copy_from_user(&tmp, (void *) arg, sizeof(int)))
{
return -EFAULT;
}
else
{
if(productID == EDDY_CPU)
{
//printk("set gpio mode out Eddy_CPU\n");
tmp += AT91_PIN_PC16 ;
}
if(productID == EDDY_S1_PIN || productID == EDDY_S1_PIN_C || productID == EDDY_S2_M || productID == EDDY_S2_M_C)
{
//printk("set gpio mode out Eddy_S1_PIN\n");
tmp += AT91_PIN_PC28 ;
}
if(productID == EDDY_DK_C)
{
tmp += AT91_PIN_PC20 ;
}
}
ret = check_gpio_num(tmp);
if(ret < 0)
{
break;
}
else
{
ret = at91_set_gpio_output(tmp,GPIO_HIGH);
break;
}
case GETGPIOMODE:
if(copy_from_user(&tmp, (void *) arg, sizeof(int)))
{
return -EFAULT;
}
else
{
if(productID == EDDY_CPU)
{
tmp += AT91_PIN_PC16 ;
}
if(productID == EDDY_S1_PIN || productID == EDDY_S1_PIN_C || productID == EDDY_S2_M || productID == EDDY_S2_M_C)
{
tmp += AT91_PIN_PC28 ;
}
if(productID == EDDY_DK_C)
{
tmp += AT91_PIN_PC20 ;
}
}
ret = check_gpio_num(tmp);
//printk("get gpio mode ret = %d, tmp = %d \n",ret,tmp);
if(ret < 0)
{
break;
}
else
{
ret = at91_get_gpio_mode(tmp);
break;
}
case SETGPIOVALUEHIGH:
if(copy_from_user(&tmp, (void *) arg, sizeof(int)))
{
return -EFAULT;
}
else
{
if(productID == EDDY_CPU)
{
tmp += AT91_PIN_PC16 ;
}
if(productID == EDDY_S1_PIN || productID == EDDY_S1_PIN_C || productID == EDDY_S2_M || productID == EDDY_S2_M_C)
{
tmp += AT91_PIN_PC28 ;
}
if(productID == EDDY_DK_C)
{
tmp += AT91_PIN_PC20 ;
}
}
ret = check_gpio_num(tmp);
if(ret < 0)
{
break;
}
else
{
ret = at91_set_gpio_value(tmp,GPIO_HIGH);
// printk("set gpio value high = %d \n",tmp);
break;
}
case SETGPIOVALUELOW:
//printk("\n");
if(copy_from_user(&tmp, (void *) arg, sizeof(int)))
{
return -EFAULT;
}
else
{
// printk("set gpio value low 1 = %d \n",tmp);
if(productID == EDDY_CPU)
{
tmp += AT91_PIN_PC16 ;
}
if(productID == EDDY_S1_PIN || productID == EDDY_S1_PIN_C || productID == EDDY_S2_M || productID == EDDY_S2_M_C)
{
tmp += AT91_PIN_PC28 ;
}
if(productID == EDDY_DK_C)
{
tmp += AT91_PIN_PC20 ;
}
}
ret = check_gpio_num(tmp);
// printk("set gpio value low 2 = %d \n",tmp);
if(ret < 0)
{
break;
}
else
{
ret = at91_set_gpio_value(tmp,GPIO_LOW);
// printk("set gpio value low 3 = %d \n",tmp);
break;
}
case GETGPIOVALUE:
//printk("\n");
if(copy_from_user(&tmp, (void *) arg, sizeof(int)))
{
return -EFAULT;
}
else
{
if(productID == EDDY_CPU)
{
tmp += AT91_PIN_PC16 ;
}
if(productID == EDDY_S1_PIN || productID == EDDY_S1_PIN_C || productID == EDDY_S2_M || productID == EDDY_S2_M_C)
{
tmp += AT91_PIN_PC28 ;
}
if(productID == EDDY_DK_C)
{
tmp += AT91_PIN_PC20 ;
}
}
ret = check_gpio_num(tmp);
if(ret < 0)
{
break;
}
else
{
ret = at91_get_gpio_value(tmp);
// printk("get gpio value = %d \n",tmp);
break;
}
case GPIO_CHIP:
// printk("gpio chip check\n");
ret = system_process();
break;
}
switch (tmp)
{
case SETGPIOINIT_LM :
copy_size = sizeof(tmp_gpio_l);
if (copy_from_user(&tmp_gpio_l, argp, copy_size))
{
return -EFAULT;
}
set_lowlevel_gpio_info(PIOM,SETGPIOMOD);
set_lowlevel_gpio_info(PIOM,PIO_SODR);
return ret;
case SETGPIOMOD_LM :
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_from_user(&tmp_gpio_l.mode[0], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOM,SETGPIOMOD);
return ret;
case GETGPIOMOD_LM :
ret = get_lowlevel_gpio_info(PIOM, PIO_OSR);
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_to_user(argp, &tmp_gpio_l.mode[0],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOVAL_LM :
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_from_user(&tmp_gpio_l.value[0], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOM,PIO_SODR);
return ret;
case GETGPIOVAL_LM :
ret = 0;
ret = get_lowlevel_gpio_info(PIOM, PIO_ODSR);
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_to_user(argp, &tmp_gpio_l.value[0],copy_size))
{
return -EFAULT;
}
return 0;
case SETGPIOPUL_LM :
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_from_user(&tmp_gpio_l.pullup[0], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOM,SETGPIOPUL);
return ret;
case GETGPIOPUL_LM :
ret = get_lowlevel_gpio_info(PIOM, PIO_PUSR);
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_to_user(argp, &tmp_gpio_l.pullup[0],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOMOD_LA :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.mode[0], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOA,SETGPIOMOD);
return ret;
case GETGPIOMOD_LA :
ret = get_lowlevel_gpio_info(PIOA, PIO_OSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.mode[0],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOVAL_LA :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.value[0], argp, copy_size))
{
return -EFAULT;
}
iowrite32(tmp_gpio_l.value[0], gpio_membase + PIO_SODR);
tmp_gpio_l.value[0] = ~(tmp_gpio_l.value[0]) & eddy_gpio_l.en_gpio[0];
iowrite32(tmp_gpio_l.value[0], gpio_membase + PIO_SODR);
return 0;
case GETGPIOVAL_LA :
ret = get_lowlevel_gpio_info(PIOA, PIO_ODSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.value[0],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOPUL_LA :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.pullup[0], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOA,SETGPIOPUL);
return ret;
case GETGPIOPUL_LA :
ret = 0;
ret = get_lowlevel_gpio_info(PIOA, PIO_PUSR);
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_to_user(argp, &tmp_gpio_l.pullup[0],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOMOD_LB :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.mode[1], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOB,SETGPIOMOD);
return ret;
case GETGPIOMOD_LB :
ret = get_lowlevel_gpio_info(PIOB, PIO_OSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.mode[1],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOVAL_LB :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.value[1], argp, copy_size))
{
return -EFAULT;
}
iowrite32(tmp_gpio_l.value[1], gpio_membase + pio[1] + PIO_SODR);
tmp_gpio_l.value[1] = ~(tmp_gpio_l.value[1]) & eddy_gpio_l.en_gpio[1];
iowrite32(tmp_gpio_l.value[1], gpio_membase + pio[1] + PIO_SODR);
return 0;
case GETGPIOVAL_LB :
ret = get_lowlevel_gpio_info(PIOB, PIO_ODSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.value[1],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOPUL_LB :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.pullup[1], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOB,SETGPIOPUL);
return ret;
case GETGPIOPUL_LB :
ret = get_lowlevel_gpio_info(PIOB, PIO_PUSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.pullup[1],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOMOD_LC :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.mode[2], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOC,SETGPIOMOD);
return ret;
case GETGPIOMOD_LC :
ret = get_lowlevel_gpio_info(PIOC, PIO_OSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.mode[2],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOVAL_LC :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.value[2], argp, copy_size))
{
return -EFAULT;
}
iowrite32(tmp_gpio_l.value[2], gpio_membase + pio[2] + PIO_SODR);
tmp_gpio_l.value[2] = ~(tmp_gpio_l.value[2]) & eddy_gpio_l.en_gpio[2];
iowrite32(tmp_gpio_l.value[2], gpio_membase + pio[2] + PIO_SODR);
return 0;
case GETGPIOVAL_LC :
ret = get_lowlevel_gpio_info(PIOC, PIO_ODSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.value[2],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOPUL_LC :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.pullup[2], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOC,SETGPIOPUL);
return ret;
case GETGPIOPUL_LC :
ret = get_lowlevel_gpio_info(PIOC, PIO_PUSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.pullup[2],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOMOD :
case GETGPIOMOD :
case SETGPIOVAL :
case GETGPIOVAL :
case SETGPIOPUL :
case GETGPIOPUL :
case SETGPIOMOD_M :
case GETGPIOMOD_M :
case SETGPIOVAL_M :
case GETGPIOVAL_M :
case SETGPIOPUL_M :
case GETGPIOPUL_M :
default :
return 0;
}
return ret;
}
int eddy_gpio_ioctl(struct inode *inode, struct file *flip,
unsigned int command, unsigned long arg)
{
int ret=0;
int copy_size =0;
void __user *argp = (void __user *)arg;
switch (command) {
case INIT_PRODUCT:
/* ready led set mode out */
at91_set_gpio_output(AT91_PIN_PC4,GPIO_HIGH);
/* reset swith read */
at91_set_gpio_input(AT91_PIN_PC16,PULLUP_ENABLE);
break;
case GET_PRODUCTID:
productID = get_productID();
return productID;
break;
case RDY_LED_ON:
/* ready LED on */
at91_set_gpio_value(AT91_PIN_PC4,GPIO_HIGH);
break;
case RDY_LED_OFF:
/* ready LED off */
at91_set_gpio_value(AT91_PIN_PC4,GPIO_LOW);
break;
case RESET_READ:
/* reset switch read */
ret = at91_get_gpio_value(AT91_PIN_PC16);
break;
case SETGPIOINIT:
copy_size = sizeof(tmp_gpio_l);
if (copy_from_user(&tmp_gpio_l, argp, copy_size))
{
return -EFAULT;
}
memcpy(&eddy_gpio_l,&tmp_gpio_l,copy_size);
set_lowlevel_gpio_info(PIOM,SETGPIOENABLE);
set_lowlevel_gpio_info(PIOM,SETGPIOMOD);
set_lowlevel_gpio_info(PIOM,SETGPIOPUL);
set_lowlevel_gpio_info(PIOM,SETGPIOVAL);
return ret;
case SETGPIOMOD_LM :
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_from_user(&tmp_gpio_l.mode[0], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOM,SETGPIOMOD);
return ret;
case GETGPIOMOD_LM :
ret = get_lowlevel_gpio_info(PIOM, PIO_OSR);
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_to_user(argp, &tmp_gpio_l.mode[0],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOVAL_LM :
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_from_user(&tmp_gpio_l.value[0], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOM,SETGPIOVAL);
return ret;
case GETGPIOVAL_LM :
ret = 0;
ret = get_lowlevel_gpio_info(PIOM, PIO_PDSR);
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_to_user(argp, &tmp_gpio_l.value[0],copy_size))
{
return -EFAULT;
}
return 0;
case SETGPIOPUL_LM :
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_from_user(&tmp_gpio_l.pullup[0], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOM,SETGPIOPUL);
return ret;
case GETGPIOPUL_LM :
ret = get_lowlevel_gpio_info(PIOM, PIO_PUSR);
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_to_user(argp, &tmp_gpio_l.pullup[0],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOMOD_LA :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.mode[0], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOA,SETGPIOMOD);
return ret;
case GETGPIOMOD_LA :
ret = get_lowlevel_gpio_info(PIOA, PIO_OSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.mode[0],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOVAL_LA :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.value[0], argp, copy_size))
{
return -EFAULT;
}
eddy_gpio_l.value[0] = tmp_gpio_l.value[0];
__raw_writel(tmp_gpio_l.value[0], gpio_membase + PIO_SODR);
tmp_gpio_l.value[0] = ~(tmp_gpio_l.value[0]) & eddy_gpio_l.en_gpio[0];
__raw_writel(tmp_gpio_l.value[0], gpio_membase + PIO_CODR);
return 0;
case GETGPIOVAL_LA :
ret = get_lowlevel_gpio_info(PIOA, PIO_PDSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.value[0],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOPUL_LA :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.pullup[0], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOA,SETGPIOPUL);
return ret;
case GETGPIOPUL_LA :
ret = 0;
ret = get_lowlevel_gpio_info(PIOA, PIO_PUSR);
copy_size = sizeof(unsigned int);
copy_size *= 3;
if (copy_to_user(argp, &tmp_gpio_l.pullup[0],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOMOD_LB :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.mode[1], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOB,SETGPIOMOD);
return ret;
case GETGPIOMOD_LB :
ret = get_lowlevel_gpio_info(PIOB, PIO_OSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.mode[1],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOVAL_LB :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.value[1], argp, copy_size))
{
return -EFAULT;
}
eddy_gpio_l.value[1] = tmp_gpio_l.value[1];
__raw_writel(tmp_gpio_l.value[1], gpio_membase + pio[1] + PIO_SODR);
tmp_gpio_l.value[1] = ~(tmp_gpio_l.value[1]) & eddy_gpio_l.en_gpio[1];
__raw_writel(tmp_gpio_l.value[1], gpio_membase + pio[1] + PIO_CODR);
return 0;
case GETGPIOVAL_LB :
ret = get_lowlevel_gpio_info(PIOB, PIO_PDSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.value[1],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOPUL_LB :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.pullup[1], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOB,SETGPIOPUL);
return ret;
case GETGPIOPUL_LB :
ret = get_lowlevel_gpio_info(PIOB, PIO_PUSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.pullup[1],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOMOD_LC :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.mode[2], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOC,SETGPIOMOD);
return ret;
case GETGPIOMOD_LC :
ret = get_lowlevel_gpio_info(PIOC, PIO_OSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.mode[2],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOVAL_LC :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.value[2], argp, copy_size))
{
return -EFAULT;
}
eddy_gpio_l.value[2] = tmp_gpio_l.value[2];
__raw_writel(tmp_gpio_l.value[2], gpio_membase + pio[2] + PIO_SODR);
tmp_gpio_l.value[2] = ~(tmp_gpio_l.value[2]) & eddy_gpio_l.en_gpio[2];
__raw_writel(tmp_gpio_l.value[2], gpio_membase + pio[2] + PIO_CODR);
return 0;
case GETGPIOVAL_LC :
ret = get_lowlevel_gpio_info(PIOC, PIO_PDSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.value[2],copy_size))
{
return -EFAULT;
}
return ret;
case SETGPIOPUL_LC :
copy_size = sizeof(unsigned int);
if (copy_from_user(&tmp_gpio_l.pullup[2], argp, copy_size))
{
return -EFAULT;
}
ret = set_lowlevel_gpio_info(PIOC,SETGPIOPUL);
return ret;
case GETGPIOPUL_LC :
ret = get_lowlevel_gpio_info(PIOC, PIO_PUSR);
copy_size = sizeof(unsigned int);
if (copy_to_user(argp, &tmp_gpio_l.pullup[2],copy_size))
{
return -EFAULT;
}
return ret;
default :
return 0;
}
return ret;
}
