diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/crypto/ixp4xx_crypto.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index af9761ccf9f1..9224c1f49311 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c | |||
@@ -415,6 +415,7 @@ static void crypto_done_action(unsigned long arg) | |||
415 | static int init_ixp_crypto(void) | 415 | static int init_ixp_crypto(void) |
416 | { | 416 | { |
417 | int ret = -ENODEV; | 417 | int ret = -ENODEV; |
418 | u32 msg[2] = { 0, 0 }; | ||
418 | 419 | ||
419 | if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH | | 420 | if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH | |
420 | IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) { | 421 | IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) { |
@@ -426,9 +427,35 @@ static int init_ixp_crypto(void) | |||
426 | return ret; | 427 | return ret; |
427 | 428 | ||
428 | if (!npe_running(npe_c)) { | 429 | if (!npe_running(npe_c)) { |
429 | npe_load_firmware(npe_c, npe_name(npe_c), dev); | 430 | ret = npe_load_firmware(npe_c, npe_name(npe_c), dev); |
431 | if (ret) { | ||
432 | return ret; | ||
433 | } | ||
434 | if (npe_recv_message(npe_c, msg, "STATUS_MSG")) | ||
435 | goto npe_error; | ||
436 | } else { | ||
437 | if (npe_send_message(npe_c, msg, "STATUS_MSG")) | ||
438 | goto npe_error; | ||
439 | |||
440 | if (npe_recv_message(npe_c, msg, "STATUS_MSG")) | ||
441 | goto npe_error; | ||
430 | } | 442 | } |
431 | 443 | ||
444 | switch ((msg[1]>>16) & 0xff) { | ||
445 | case 3: | ||
446 | printk(KERN_WARNING "Firmware of %s lacks AES support\n", | ||
447 | npe_name(npe_c)); | ||
448 | support_aes = 0; | ||
449 | break; | ||
450 | case 4: | ||
451 | case 5: | ||
452 | support_aes = 1; | ||
453 | break; | ||
454 | default: | ||
455 | printk(KERN_ERR "Firmware of %s lacks crypto support\n", | ||
456 | npe_name(npe_c)); | ||
457 | return -ENODEV; | ||
458 | } | ||
432 | /* buffer_pool will also be used to sometimes store the hmac, | 459 | /* buffer_pool will also be used to sometimes store the hmac, |
433 | * so assure it is large enough | 460 | * so assure it is large enough |
434 | */ | 461 | */ |
@@ -459,6 +486,10 @@ static int init_ixp_crypto(void) | |||
459 | 486 | ||
460 | qmgr_enable_irq(RECV_QID); | 487 | qmgr_enable_irq(RECV_QID); |
461 | return 0; | 488 | return 0; |
489 | |||
490 | npe_error: | ||
491 | printk(KERN_ERR "%s not responding\n", npe_name(npe_c)); | ||
492 | ret = -EIO; | ||
462 | err: | 493 | err: |
463 | if (ctx_pool) | 494 | if (ctx_pool) |
464 | dma_pool_destroy(ctx_pool); | 495 | dma_pool_destroy(ctx_pool); |