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rk29: vpu: add error log

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陈恒明
2011-04-07 10:30:30 +08:00
parent ca6de57ea4
commit a06d2dae53
1 changed files with 31 additions and 10 deletions
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41
arch/arm/mach-rk29/vpu.c
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@@ -373,6 +373,7 @@ static long vpu_clear_irqs(VPU_CLIENT_TYPE type)
break;
}
default : {
printk("undefined vpu_clear_irqs case\n");
ret = -1;
}
}
@@ -408,29 +409,37 @@ static long vpu_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case VPU_IOC_WR_DEC: {
if (copy_from_user(regs_dec, (void __user *)arg, SIZE_REG(REG_NUM_DEC)))
if (copy_from_user(regs_dec, (void __user *)arg, SIZE_REG(REG_NUM_DEC))) {
printk("VPU_IOC_WR_DEC copy_from_user failed\n");
return -EFAULT;
}
vpu_write_dec(regs_dec);
break;
}
case VPU_IOC_WR_DEC_PP: {
if (copy_from_user(regs_dec, (void __user *)arg, SIZE_REG(REG_NUM_DEC_PP)))
if (copy_from_user(regs_dec, (void __user *)arg, SIZE_REG(REG_NUM_DEC_PP))) {
printk("VPU_IOC_WR_DEC_PP copy_from_user failed\n");
return -EFAULT;
}
vpu_write_dec_pp(regs_dec);
break;
}
case VPU_IOC_WR_ENC: {
if (copy_from_user(regs_enc, (void __user *)arg, SIZE_REG(REG_NUM_ENC)))
if (copy_from_user(regs_enc, (void __user *)arg, SIZE_REG(REG_NUM_ENC))) {
printk("VPU_IOC_WR_ENC copy_from_user failed\n");
return -EFAULT;
}
vpu_write_enc(regs_enc);
break;
}
case VPU_IOC_WR_PP: {
if (copy_from_user(regs_pp, (void __user *)arg, SIZE_REG(REG_NUM_PP)))
if (copy_from_user(regs_pp, (void __user *)arg, SIZE_REG(REG_NUM_PP))) {
printk("VPU_IOC_WR_PP copy_from_user failed\n");
return -EFAULT;
}
vpu_write_pp(regs_pp);
break;
}
@@ -438,29 +447,37 @@ static long vpu_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case VPU_IOC_RD_DEC: {
vpu_read_dec(regs_dec);
if (copy_to_user((void __user *)arg, regs_dec, SIZE_REG(REG_NUM_DEC)))
if (copy_to_user((void __user *)arg, regs_dec, SIZE_REG(REG_NUM_DEC))) {
printk("VPU_IOC_RD_DEC copy_to_user failed\n");
return -EFAULT;
}
break;
}
case VPU_IOC_RD_DEC_PP: {
vpu_read_dec_pp(regs_dec);
if (copy_to_user((void __user *)arg, regs_dec, SIZE_REG(REG_NUM_DEC_PP)))
if (copy_to_user((void __user *)arg, regs_dec, SIZE_REG(REG_NUM_DEC_PP))) {
printk("VPU_IOC_RD_DEC_PP copy_to_user failed\n");
return -EFAULT;
}
break;
}
case VPU_IOC_RD_ENC: {
vpu_read_enc(regs_enc);
if (copy_to_user((void __user *)arg, regs_enc, SIZE_REG(REG_NUM_ENC)))
if (copy_to_user((void __user *)arg, regs_enc, SIZE_REG(REG_NUM_ENC))) {
printk("VPU_IOC_RD_ENC copy_to_user failed\n");
return -EFAULT;
}
break;
}
case VPU_IOC_RD_PP: {
vpu_read_pp(regs_pp);
if (copy_to_user((void __user *)arg, regs_pp, SIZE_REG(REG_NUM_PP)))
if (copy_to_user((void __user *)arg, regs_pp, SIZE_REG(REG_NUM_PP))) {
printk("VPU_IOC_RD_PP copy_to_user failed\n");
return -EFAULT;
}
break;
}
@@ -470,17 +487,21 @@ static long vpu_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
break;
}
default:
default: {
printk("undefined ioctl cmd\n");
return -ENOTTY;
}
}
return 0;
}
static int vpu_open(struct inode *inode, struct file *filp)
{
if (client.filp)
if (client.filp) {
printk("vpu is already opened\n");
return -EBUSY;
}
client.filp = filp;
vpu_power_on();