Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

[sfrench/cifs-2.6.git] / drivers / crypto / ixp4xx_crypto.c

diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index af9761ccf9f132a6414aacec926251b06c8b64c6..6c6656d3b1e2f25c718f85c654a133e21c3090d5 100644 (file)
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -209,7 +209,7 @@ static struct platform_device pseudo_dev = {
        .id   = 0,
        .num_resources = 0,
        .dev  = {
-               .coherent_dma_mask = DMA_32BIT_MASK,
+               .coherent_dma_mask = DMA_BIT_MASK(32),
                .release = dev_release,
        }
 };
@@ -415,6 +415,7 @@ static void crypto_done_action(unsigned long arg)
 static int init_ixp_crypto(void)
 {
        int ret = -ENODEV;
+       u32 msg[2] = { 0, 0 };
 
        if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH |
                                IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) {
@@ -426,9 +427,35 @@ static int init_ixp_crypto(void)
                return ret;
 
        if (!npe_running(npe_c)) {
-               npe_load_firmware(npe_c, npe_name(npe_c), dev);
+               ret = npe_load_firmware(npe_c, npe_name(npe_c), dev);
+               if (ret) {
+                       return ret;
+               }
+               if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
+                       goto npe_error;
+       } else {
+               if (npe_send_message(npe_c, msg, "STATUS_MSG"))
+                       goto npe_error;
+
+               if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
+                       goto npe_error;
        }
 
+       switch ((msg[1]>>16) & 0xff) {
+       case 3:
+               printk(KERN_WARNING "Firmware of %s lacks AES support\n",
+                               npe_name(npe_c));
+               support_aes = 0;
+               break;
+       case 4:
+       case 5:
+               support_aes = 1;
+               break;
+       default:
+               printk(KERN_ERR "Firmware of %s lacks crypto support\n",
+                       npe_name(npe_c));
+               return -ENODEV;
+       }
        /* buffer_pool will also be used to sometimes store the hmac,
         * so assure it is large enough
         */
@@ -459,6 +486,10 @@ static int init_ixp_crypto(void)
 
        qmgr_enable_irq(RECV_QID);
        return 0;
+
+npe_error:
+       printk(KERN_ERR "%s not responding\n", npe_name(npe_c));
+       ret = -EIO;
 err:
        if (ctx_pool)
                dma_pool_destroy(ctx_pool);