diff options
| -rw-r--r-- | Documentation/devicetree/bindings/crypto/samsung-sss.txt | 6 | ||||
| -rw-r--r-- | drivers/crypto/s5p-sss.c | 34 |
2 files changed, 8 insertions, 32 deletions
diff --git a/Documentation/devicetree/bindings/crypto/samsung-sss.txt b/Documentation/devicetree/bindings/crypto/samsung-sss.txt index a6dafa83c6df..7a5ca56683cc 100644 --- a/Documentation/devicetree/bindings/crypto/samsung-sss.txt +++ b/Documentation/devicetree/bindings/crypto/samsung-sss.txt @@ -23,10 +23,8 @@ Required properties: - "samsung,exynos4210-secss" for Exynos4210, Exynos4212, Exynos4412, Exynos5250, Exynos5260 and Exynos5420 SoCs. - reg : Offset and length of the register set for the module -- interrupts : interrupt specifiers of SSS module interrupts, should contain - following entries: - - first : feed control interrupt (required for all variants), - - second : hash interrupt (required only for samsung,s5pv210-secss). +- interrupts : interrupt specifiers of SSS module interrupts (one feed + control interrupt). - clocks : list of clock phandle and specifier pairs for all clocks listed in clock-names property. diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index b0484d4d68d9..71ca6a5d636d 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -149,7 +149,6 @@ /** * struct samsung_aes_variant - platform specific SSS driver data - * @has_hash_irq: true if SSS module uses hash interrupt, false otherwise * @aes_offset: AES register offset from SSS module's base. * * Specifies platform specific configuration of SSS module. @@ -157,7 +156,6 @@ * expansion of its usage. */ struct samsung_aes_variant { - bool has_hash_irq; unsigned int aes_offset; }; @@ -178,7 +176,6 @@ struct s5p_aes_dev { struct clk *clk; void __iomem *ioaddr; void __iomem *aes_ioaddr; - int irq_hash; int irq_fc; struct ablkcipher_request *req; @@ -201,12 +198,10 @@ struct s5p_aes_dev { static struct s5p_aes_dev *s5p_dev; static const struct samsung_aes_variant s5p_aes_data = { - .has_hash_irq = true, .aes_offset = 0x4000, }; static const struct samsung_aes_variant exynos_aes_data = { - .has_hash_irq = false, .aes_offset = 0x200, }; @@ -421,15 +416,13 @@ static irqreturn_t s5p_aes_interrupt(int irq, void *dev_id) spin_lock_irqsave(&dev->lock, flags); - if (irq == dev->irq_fc) { - status = SSS_READ(dev, FCINTSTAT); - if (status & SSS_FCINTSTAT_BRDMAINT) - s5p_aes_rx(dev); - if (status & SSS_FCINTSTAT_BTDMAINT) - s5p_aes_tx(dev); + status = SSS_READ(dev, FCINTSTAT); + if (status & SSS_FCINTSTAT_BRDMAINT) + s5p_aes_rx(dev); + if (status & SSS_FCINTSTAT_BTDMAINT) + s5p_aes_tx(dev); - SSS_WRITE(dev, FCINTPEND, status); - } + SSS_WRITE(dev, FCINTPEND, status); spin_unlock_irqrestore(&dev->lock, flags); @@ -795,21 +788,6 @@ static int s5p_aes_probe(struct platform_device *pdev) goto err_irq; } - if (variant->has_hash_irq) { - pdata->irq_hash = platform_get_irq(pdev, 1); - if (pdata->irq_hash < 0) { - err = pdata->irq_hash; - dev_warn(dev, "hash interrupt is not available.\n"); - goto err_irq; - } - err = devm_request_irq(dev, pdata->irq_hash, s5p_aes_interrupt, - IRQF_SHARED, pdev->name, pdev); - if (err < 0) { - dev_warn(dev, "hash interrupt is not available.\n"); - goto err_irq; - } - } - pdata->busy = false; pdata->variant = variant; pdata->dev = dev; |