Hi Paul, On Sat, 20 Jun 2015 20:14:08 -0400 Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx> wrote: > On Sat, Jun 20, 2015 at 4:32 PM, Paul Gortmaker > <paul.gortmaker@xxxxxxxxxxxxx> wrote: > > On Fri, Jun 19, 2015 at 10:24 AM, Herbert Xu > > <herbert@xxxxxxxxxxxxxxxxxxx> wrote: > >> On Thu, Jun 18, 2015 at 03:46:16PM +0200, Boris Brezillon wrote: > >>> Hello, > >>> > >>> This patch series adds a new driver supporting Marvell's CESA IP. > >>> This driver addresses some limitations of the existing one. > >>> >From a performance and CPU load point of view the most important > >>> limitation in the existing driver is the lack of DMA support, thus > >>> preventing us from chaining crypto operations. > >> > >> All applied to cryptodev. Thanks a lot! > > > > It seems this breaks linux-next allmodconfig on i386: > > Similar breakage for s390 and sparc it seems: > > drivers/crypto/marvell/cesa.c:353:2: error: implicit declaration of > function 'phys_to_dma' [-Werror=implicit-function-declaration] > > http://kisskb.ellerman.id.au/kisskb/buildresult/12445415/ > http://kisskb.ellerman.id.au/kisskb/buildresult/12445345/ > > If the CESA IP is only available on a single arch then > adding an arch dependency might be the easiest fix, > since phys_to_dma seems sparsely implemented. Indeed. Here is a patch fixing that. Thanks, Boris --- >8 --- >From 891d4e5f185c39cd34b5859a1a63850ef997514d Mon Sep 17 00:00:00 2001 From: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> Date: Sun, 21 Jun 2015 10:17:54 +0200 Subject: [PATCH] crypto: marvell/CESA: enforce dependency on ARM The CESA driver calls phys_to_virt() which is not available on all architectures. Enforce the dependency on ARM so that other architectures won't compile the driver even if COMPILE_TEST is set. Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> Reported-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx> Suggested-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx> --- drivers/crypto/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index cdca762..b374d5d 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -176,7 +176,7 @@ config CRYPTO_DEV_MV_CESA config CRYPTO_DEV_MARVELL_CESA tristate "New Marvell's Cryptographic Engine driver" - depends on (PLAT_ORION || ARCH_MVEBU || COMPILE_TEST) && HAS_DMA && HAS_IOMEM + depends on (PLAT_ORION || ARCH_MVEBU || COMPILE_TEST) && HAS_DMA && HAS_IOMEM && ARM select CRYPTO_AES select CRYPTO_DES select CRYPTO_BLKCIPHER -- 1.9.1 -- Boris Brezillon, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe devicetree" in
