This driver hangs the kernel on boot when loaded via kexec.

To make this driver kexec-safe, add a suspend or freeze hook, and when
probing, don't make any assumptions about the existing hardware state
(e.g. don't request_irq before quiescing the device).

Signed-off-by: Scott Wood <scottw...@freescale.com>
Cc: Cristian Stoica <cristian.sto...@freescale.com>
Cc: Horia Geanta <horia.gea...@freescale.com>
Cc: Herbert Xu <herb...@gondor.apana.org.au>
Cc: linux-cry...@vger.kernel.org
---
 drivers/crypto/caam/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/caam/Kconfig b/drivers/crypto/caam/Kconfig
index e286e28..310e9e0 100644
--- a/drivers/crypto/caam/Kconfig
+++ b/drivers/crypto/caam/Kconfig
@@ -1,6 +1,6 @@
 config CRYPTO_DEV_FSL_CAAM
        tristate "Freescale CAAM-Multicore driver backend"
-       depends on FSL_SOC
+       depends on FSL_SOC && !KEXEC
        help
          Enables the driver module for Freescale's Cryptographic Accelerator
          and Assurance Module (CAAM), also known as the SEC version 4 (SEC4).
-- 
2.1.4

_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev

Reply via email to