cryptodev: add missing patch

Fix the following build warning:
| WARNING: .../meta-fsl-ppc/recipes-kernel/cryptodev/cryptodev-qoriq-linux_1.8.bb:
| Unable to get checksum for cryptodev-qoriq-linux SRC_URI entry
| 0001-don-t-advertise-RSA-keygen.patch: file could not be found

Signed-off-by: Zhenhua Luo <zhenhua.luo@nxp.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/recipes-kernel/cryptodev/yocto_patches/0001-don-t-advertise-RSA-keygen.patch b/recipes-kernel/cryptodev/yocto_patches/0001-don-t-advertise-RSA-keygen.patch
new file mode 100644
index 0000000..10d6c8b
--- /dev/null
+++ b/recipes-kernel/cryptodev/yocto_patches/0001-don-t-advertise-RSA-keygen.patch
@@ -0,0 +1,33 @@
+From d30c9c64aca4a7905e1b7eb3e28e1c616191bd34 Mon Sep 17 00:00:00 2001
+From: Cristian Stoica <cristian.stoica@freescale.com>
+Date: Tue, 9 Dec 2014 16:41:25 +0200
+Subject: [PATCH] don't advertise RSA keygen
+
+Disable RSA keygen operations when they are not available.
+
+Currently no testing can be done and this patch should be applied
+selectively on platforms that have incomplete support for RSA operations
+(for example pkc driver on C293)
+
+Change-Id: Ic8df014623410c3cf4b0b217a246efcea8f2eeef
+Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
+---
+ ioctl.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/ioctl.c b/ioctl.c
+index 53dbf64..27dc66e 100644
+--- a/ioctl.c
++++ b/ioctl.c
+@@ -979,7 +979,7 @@ cryptodev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg_)
+        case CIOCASYMFEAT:
+                ses = 0;
+                if (crypto_has_alg("pkc(rsa)", 0, 0))
+-                       ses = CRF_MOD_EXP_CRT | CRF_MOD_EXP | CRF_RSA_GENERATE_KEY;
++                       ses = CRF_MOD_EXP_CRT | CRF_MOD_EXP ;
+                if (crypto_has_alg("pkc(dsa)", 0, 0))
+                        ses |= CRF_DSA_SIGN | CRF_DSA_VERIFY | CRF_DSA_GENERATE_KEY;
+                if (crypto_has_alg("pkc(dh)", 0, 0))
+-- 
+2.3.5
+