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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Tomas Winkler <tomas.winkler@intel.com>
Cc: Alexander Usyskin <alexander.usyskin@intel.com>,
	linux-kernel@vger.kernel.org,
	Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Subject: Re: [char-misc-next 2/2] mei: send OS type to the FW
Date: Thu, 10 Nov 2016 08:22:46 +0100	[thread overview]
Message-ID: <20161110072246.GB31032@kroah.com> (raw)
In-Reply-To: <1478622369-31604-2-git-send-email-tomas.winkler@intel.com>

On Tue, Nov 08, 2016 at 06:26:09PM +0200, Tomas Winkler wrote:
> From: Alexander Usyskin <alexander.usyskin@intel.com>
> 
> Tell the FW that we are running a sane OS and TPM2_ChangeEPS()
> is supported. This workaround was added to support other broken OS
> and we need to follow here. The command is sent just once at the boot time.
> 
> Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
> ---
>  drivers/misc/mei/bus-fixup.c | 98 ++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 98 insertions(+)
> 
> diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
> index 9e10d86e3887..344a0c99ee44 100644
> --- a/drivers/misc/mei/bus-fixup.c
> +++ b/drivers/misc/mei/bus-fixup.c
> @@ -38,6 +38,9 @@ static const uuid_le mei_nfc_info_guid = MEI_UUID_NFC_INFO;
>  #define MEI_UUID_WD UUID_LE(0x05B79A6F, 0x4628, 0x4D7F, \
>  			    0x89, 0x9D, 0xA9, 0x15, 0x14, 0xCB, 0x32, 0xAB)
>  
> +#define MEI_UUID_MKHIF_FIX UUID_LE(0x55213584, 0x9a29, 0x4916, \
> +			0xba, 0xdf, 0xf, 0xb7, 0xed, 0x68, 0x2a, 0xeb)
> +
>  #define MEI_UUID_ANY NULL_UUID_LE
>  
>  /**
> @@ -69,6 +72,100 @@ static void blacklist(struct mei_cl_device *cldev)
>  	cldev->do_match = 0;
>  }
>  
> +#define OSTYPE_LINUX    2
> +struct mei_os_ver {
> +	u16 build;
> +	u16 reserved1;

Don't you need to specify the endian-type of these (well for build), as
they get written to hardware?

thanks,

greg k-h

  parent reply	other threads:[~2016-11-10 11:33 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-08 16:26 [char-misc-next 1/2] mei: enable to set the internal flag for client write Tomas Winkler
2016-11-08 16:26 ` [char-misc-next 2/2] mei: send OS type to the FW Tomas Winkler
2016-11-08 16:32   ` Jarkko Sakkinen
2016-11-10  7:22   ` Greg Kroah-Hartman [this message]
2016-11-10 12:00     ` Winkler, Tomas
2016-11-10 12:14       ` Greg Kroah-Hartman
2016-11-10 12:19         ` Winkler, Tomas
2016-11-10 12:27           ` Greg Kroah-Hartman
2016-11-10 13:00             ` Winkler, Tomas
2016-11-10 13:15               ` Greg Kroah-Hartman
2016-11-10  7:24   ` Greg Kroah-Hartman
2016-11-10 12:13     ` Winkler, Tomas

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