linux-kernel - Re: [PATCH] tpm: select CONFIG

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Message-ID: <20170302091704.wuxhmhqrj7xe4e2j@intel.com>
Date:   Thu, 2 Mar 2017 11:17:04 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Peter Huewe <peterhuewe@....de>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Marcel Selhorst <tpmdd@...horst.net>,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        Christophe Ricard <christophe.ricard@...il.com>,
        Nayna Jain <nayna@...ux.vnet.ibm.com>,
        tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tpm: select CONFIG_CRYPTO

On Tue, Feb 28, 2017 at 10:24:45PM +0100, Peter Huewe wrote:
> 
> 
> Am 28. Februar 2017 22:12:55 MEZ schrieb Arnd Bergmann <arnd@...db.de>:
> >We get a newly introduced harmless warning when CONFIG_CRYPTO is
> >disabled:
> >
> >warning: (TCG_TPM && TRUSTED_KEYS && IMA) selects CRYPTO_HASH_INFO
> >which has unmet direct dependencies (CRYPTO)
> >
> >This adds another select to avoid the warning, consistent with other
> >users
> >of the crypto code.
> >
> >Fixes: c1f92b4b04ad ("tpm: enhance TPM 2.0 PCR extend to support
> >multiple banks")
> >Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Lgtm
> 
> Reviewed-by: Peter Huewe <peterhuewe@....de>

Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>

/Jarkko

> >---
> > drivers/char/tpm/Kconfig | 1 +
> > 1 file changed, 1 insertion(+)
> >
> >diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
> >index af985cca413c..d520ac51c11c 100644
> >--- a/drivers/char/tpm/Kconfig
> >+++ b/drivers/char/tpm/Kconfig
> >@@ -6,6 +6,7 @@ menuconfig TCG_TPM
> > 	tristate "TPM Hardware Support"
> > 	depends on HAS_IOMEM
> > 	select SECURITYFS
> >+	select CRYPTO
> > 	select CRYPTO_HASH_INFO
> > 	---help---
> > 	  If you have a TPM security chip in your system, which
> 
> -- 
> Sent from my mobile