* expansion of its usage.
*/
struct samsung_aes_variant {
- unsigned int aes_offset;
+ unsigned int aes_offset;
};
struct s5p_aes_reqctx {
- unsigned long mode;
+ unsigned long mode;
};
struct s5p_aes_ctx {
- struct s5p_aes_dev *dev;
+ struct s5p_aes_dev *dev;
- uint8_t aes_key[AES_MAX_KEY_SIZE];
- uint8_t nonce[CTR_RFC3686_NONCE_SIZE];
- int keylen;
+ uint8_t aes_key[AES_MAX_KEY_SIZE];
+ uint8_t nonce[CTR_RFC3686_NONCE_SIZE];
+ int keylen;
};
struct s5p_aes_dev {
- struct device *dev;
- struct clk *clk;
- void __iomem *ioaddr;
- void __iomem *aes_ioaddr;
- int irq_fc;
+ struct device *dev;
+ struct clk *clk;
+ void __iomem *ioaddr;
+ void __iomem *aes_ioaddr;
+ int irq_fc;
- struct ablkcipher_request *req;
- struct s5p_aes_ctx *ctx;
- struct scatterlist *sg_src;
- struct scatterlist *sg_dst;
+ struct ablkcipher_request *req;
+ struct s5p_aes_ctx *ctx;
+ struct scatterlist *sg_src;
+ struct scatterlist *sg_dst;
/* In case of unaligned access: */
- struct scatterlist *sg_src_cpy;
- struct scatterlist *sg_dst_cpy;
+ struct scatterlist *sg_src_cpy;
+ struct scatterlist *sg_dst_cpy;
- struct tasklet_struct tasklet;
- struct crypto_queue queue;
- bool busy;
- spinlock_t lock;
+ struct tasklet_struct tasklet;
+ struct crypto_queue queue;
+ bool busy;
+ spinlock_t lock;
- struct samsung_aes_variant *variant;
+ struct samsung_aes_variant *variant;
};
static struct s5p_aes_dev *s5p_dev;
static irqreturn_t s5p_aes_interrupt(int irq, void *dev_id)
{
struct platform_device *pdev = dev_id;
- struct s5p_aes_dev *dev = platform_get_drvdata(pdev);
- uint32_t status;
- unsigned long flags;
- bool set_dma_tx = false;
- bool set_dma_rx = false;
+ struct s5p_aes_dev *dev = platform_get_drvdata(pdev);
+ bool set_dma_tx = false;
+ bool set_dma_rx = false;
+ unsigned long flags;
+ uint32_t status;
spin_lock_irqsave(&dev->lock, flags);
static void s5p_aes_crypt_start(struct s5p_aes_dev *dev, unsigned long mode)
{
- struct ablkcipher_request *req = dev->req;
- uint32_t aes_control;
- int err;
- unsigned long flags;
+ struct ablkcipher_request *req = dev->req;
+ uint32_t aes_control;
+ unsigned long flags;
+ int err;
aes_control = SSS_AES_KEY_CHANGE_MODE;
if (mode & FLAGS_AES_DECRYPT)
static int s5p_aes_crypt(struct ablkcipher_request *req, unsigned long mode)
{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct s5p_aes_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct s5p_aes_reqctx *reqctx = ablkcipher_request_ctx(req);
- struct s5p_aes_dev *dev = ctx->dev;
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct s5p_aes_reqctx *reqctx = ablkcipher_request_ctx(req);
+ struct s5p_aes_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct s5p_aes_dev *dev = ctx->dev;
if (!IS_ALIGNED(req->nbytes, AES_BLOCK_SIZE)) {
dev_err(dev->dev, "request size is not exact amount of AES blocks\n");
static int s5p_aes_setkey(struct crypto_ablkcipher *cipher,
const uint8_t *key, unsigned int keylen)
{
- struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+ struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
struct s5p_aes_ctx *ctx = crypto_tfm_ctx(tfm);
if (keylen != AES_KEYSIZE_128 &&
static int s5p_aes_probe(struct platform_device *pdev)
{
- int i, j, err = -ENODEV;
- struct s5p_aes_dev *pdata;
- struct device *dev = &pdev->dev;
- struct resource *res;
+ struct device *dev = &pdev->dev;
+ int i, j, err = -ENODEV;
struct samsung_aes_variant *variant;
+ struct s5p_aes_dev *pdata;
+ struct resource *res;
if (s5p_dev)
return -EEXIST;