diff options
| -rw-r--r-- | arch/arm/mach-ixp4xx/common.c | 26 | ||||
| -rw-r--r-- | drivers/crypto/ixp4xx_crypto.c | 37 |
2 files changed, 39 insertions, 24 deletions
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 000f672a94c9..007a44412e24 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -233,12 +233,38 @@ static struct platform_device *ixp46x_devices[] __initdata = { unsigned long ixp4xx_exp_bus_size; EXPORT_SYMBOL(ixp4xx_exp_bus_size); +static struct platform_device_info ixp_dev_info __initdata = { + .name = "ixp4xx_crypto", + .id = 0, + .dma_mask = DMA_BIT_MASK(32), +}; + +static int __init ixp_crypto_register(void) +{ + struct platform_device *pdev; + + if (!(~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH | + IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) { + printk(KERN_ERR "ixp_crypto: No HW crypto available\n"); + return -ENODEV; + } + + pdev = platform_device_register_full(&ixp_dev_info); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return 0; +} + void __init ixp4xx_sys_init(void) { ixp4xx_exp_bus_size = SZ_16M; platform_add_devices(ixp4xx_devices, ARRAY_SIZE(ixp4xx_devices)); + if (IS_ENABLED(CONFIG_CRYPTO_DEV_IXP4XX)) + ixp_crypto_register(); + if (cpu_is_ixp46x()) { int region; diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index b38650b0fea1..76099d6cfff9 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -229,8 +229,6 @@ static dma_addr_t crypt_phys; static int support_aes = 1; -#define DRIVER_NAME "ixp4xx_crypto" - static struct platform_device *pdev; static inline dma_addr_t crypt_virt2phys(struct crypt_ctl *virt) @@ -453,11 +451,6 @@ static int init_ixp_crypto(struct device *dev) int ret = -ENODEV; u32 msg[2] = { 0, 0 }; - if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH | - IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) { - dev_err(dev, "ixp_crypto: No HW crypto available\n"); - return ret; - } npe_c = npe_request(NPE_ID); if (!npe_c) return ret; @@ -1441,26 +1434,17 @@ static struct ixp_aead_alg ixp4xx_aeads[] = { #define IXP_POSTFIX "-ixp4xx" -static const struct platform_device_info ixp_dev_info __initdata = { - .name = DRIVER_NAME, - .id = 0, - .dma_mask = DMA_BIT_MASK(32), -}; - -static int __init ixp_module_init(void) +static int ixp_crypto_probe(struct platform_device *_pdev) { int num = ARRAY_SIZE(ixp4xx_algos); int i, err; - pdev = platform_device_register_full(&ixp_dev_info); - if (IS_ERR(pdev)) - return PTR_ERR(pdev); + pdev = _pdev; err = init_ixp_crypto(&pdev->dev); - if (err) { - platform_device_unregister(pdev); + if (err) return err; - } + for (i = 0; i < num; i++) { struct skcipher_alg *cra = &ixp4xx_algos[i].crypto; @@ -1531,7 +1515,7 @@ static int __init ixp_module_init(void) return 0; } -static void __exit ixp_module_exit(void) +static int ixp_crypto_remove(struct platform_device *pdev) { int num = ARRAY_SIZE(ixp4xx_algos); int i; @@ -1546,11 +1530,16 @@ static void __exit ixp_module_exit(void) crypto_unregister_skcipher(&ixp4xx_algos[i].crypto); } release_ixp_crypto(&pdev->dev); - platform_device_unregister(pdev); + + return 0; } -module_init(ixp_module_init); -module_exit(ixp_module_exit); +static struct platform_driver ixp_crypto_driver = { + .probe = ixp_crypto_probe, + .remove = ixp_crypto_remove, + .driver = { .name = "ixp4xx_crypto" }, +}; +module_platform_driver(ixp_crypto_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Christian Hohnstaedt <chohnstaedt@innominate.com>"); |