linux-kernel - Re: [PATCH 3/9] crypto: qce: Add dma and sg helpers

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Date:	Mon, 7 Apr 2014 15:42:56 -0700
From:	Courtney Cavin <courtney.cavin@...ymobile.com>
To:	Stanimir Varbanov <svarbanov@...sol.com>
CC:	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH 3/9] crypto: qce: Add dma and sg helpers

On Fri, Apr 04, 2014 at 03:07:13PM +0200, Stanimir Varbanov wrote:
> >> diff --git a/drivers/crypto/qce/dma.h b/drivers/crypto/qce/dma.h
> >> new file mode 100644
> >> index 000000000000..932b02fd8f25
> >> --- /dev/null
> >> +++ b/drivers/crypto/qce/dma.h
> >> @@ -0,0 +1,57 @@
> >> +/*
> >> + * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
> >> + *
> >> + * This program is free software; you can redistribute it and/or modify
> >> + * it under the terms of the GNU General Public License version 2 and
> >> + * only version 2 as published by the Free Software Foundation.
> >> + *
> >> + * This program is distributed in the hope that it will be useful,
> >> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> >> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> >> + * GNU General Public License for more details.
> >> + */
> >> +
> >> +#ifndef _DMA_H_
> >> +#define _DMA_H_
> >> +
> >> +#define QCE_AUTHIV_REGS_CNT		16
> >> +#define QCE_AUTH_BYTECOUNT_REGS_CNT	4
> >> +#define QCE_CNTRIV_REGS_CNT		4
> >> +
> >> +/* result dump format */
> >> +struct qce_result_dump {
> >> +	u32 auth_iv[QCE_AUTHIV_REGS_CNT];
> >> +	u32 auth_byte_count[QCE_AUTH_BYTECOUNT_REGS_CNT];
> >> +	u32 encr_cntr_iv[QCE_CNTRIV_REGS_CNT];
> >> +	u32 status;
> >> +	u32 status2;
> >> +};
> >> +
> >> +#define QCE_IGNORE_BUF_SZ	(2 * QCE_BAM_BURST_SIZE)
> > 
> > QCE_BAM_BURST_SIZE is defined in common.h in 6/9.  Either that file
> > needs to be included from this one, or the definition needs to be moved.
> 
> I decided to not include any files in driver private headers. Thus I
> include the private header files in relevant c files in order.

Actually, that is exactly what I was trying to indicate as undesirable.
Please modify this so that each individual header file doesn't require
you to include another file for usage.

-Courtney
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