On 2015年11月23日 20:51, Herbert Xu wrote:
> On Tue, Nov 17, 2015 at 12:00:46PM +0800, Zain Wang wrote:
>> +static void rk_ablk_hw_init(struct rk_crypto_info *dev)
>> +{
>> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(dev->ablk_req);
>> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
>> + u32 conf_reg = 0;
>> +
>> + if (dev->mode & TDES) {
>> + dev->mode &= ~TDES;
>> + dev->mode |= RK_CRYPTO_TDES_FIFO_MODE |
>> + RK_CRYPTO_TDES_BYTESWAP_KEY |
>> + RK_CRYPTO_TDES_BYTESWAP_IV;
>> + CRYPTO_WRITE(dev, RK_CRYPTO_TDES_CTRL, dev->mode);
>> +
>> + memcpy(dev->reg + RK_CRYPTO_TDES_IV_0, dev->ablk_req->info, 8);
> Please ensure that the IV is copied back after the operation.
> I know that many existing drivers are buggy in this regard but
> they will be fixed soon and we will start enforcing this rule
> so I don't want to add any new drivers that break this rule.
Thanks your responding, I will fix it in v5.
>
> Thanks,
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