From: Greg KH <gregkh@linuxfoundation.org>
To: Peng Sun <sironhide0null@gmail.com>
Cc: liodot@gmail.com, charrer@alacritech.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/10] staging: slicoss: slic.h: add a macro IOMEM_GET_FIELDADDR to fix sparse warnings
Date: Fri, 16 Sep 2016 09:52:59 +0200 [thread overview]
Message-ID: <20160916075259.GB1858@kroah.com> (raw)
In-Reply-To: <2fdea4da0036cd13aa0879ffcf86e3303013d52a.1473821899.git.sironhide0null@gmail.com>
On Tue, Sep 13, 2016 at 07:59:50PM -0700, Peng Sun wrote:
> Signed-off-by: Peng Sun <sironhide0null@gmail.com>
> ---
> drivers/staging/slicoss/slic.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h
> index fe1d2ce..7c23190 100644
> --- a/drivers/staging/slicoss/slic.h
> +++ b/drivers/staging/slicoss/slic.h
> @@ -539,6 +539,13 @@ static inline void slic_flush_write(struct adapter *adapter)
> ioread32(adapter->regs + SLIC_REG_HOSTID);
> }
>
> +#define IOMEM_GET_FIELDADDR(base, member) \
> +({ \
> + char __iomem *_base = (char __iomem *)base; \
> + _base += offsetof(typeof(*base), member); \
> + (void __iomem *)_base; \
> +})
> +
> #define UPDATE_STATS(largestat, newstat, oldstat) \
> { \
> if ((newstat) < (oldstat)) \
> --
> 2.7.4
Wait, what does this patch on its own do? Why create this macro?
greg k-h
next prev parent reply other threads:[~2016-09-16 7:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-14 2:59 [PATCH 00/10] staging: slicoss: fix different address space sparse warnings Peng Sun
2016-09-14 2:59 ` [PATCH 01/10] staging: slicoss: slic.h: add a macro IOMEM_GET_FIELDADDR to fix " Peng Sun
2016-09-14 2:59 ` [PATCH 02/10] staging: slicoss: slic.h: add a macro IOMEM_GET_FIELD32 " Peng Sun
2016-09-14 2:59 ` [PATCH 03/10] staging: slicoss: slic.h: add a macro IOMEM_SET_FIELD32 " Peng Sun
2016-09-14 2:59 ` [PATCH 04/10] staging: slicoss: slic.h: add a macro IOMEM_GET_FIELD64 " Peng Sun
2016-09-14 2:59 ` [PATCH 05/10] staging: slicoss: slicoss.c: fix different address space sparse warning Peng Sun
2016-09-14 2:59 ` [PATCH 06/10] " Peng Sun
2016-09-14 2:59 ` [PATCH 07/10] " Peng Sun
2016-09-14 2:59 ` [PATCH 08/10] " Peng Sun
2016-09-14 2:59 ` [PATCH 09/10] " Peng Sun
2016-09-14 2:59 ` [PATCH 10/10] " Peng Sun
2016-09-16 7:52 ` [PATCH 01/10] staging: slicoss: slic.h: add a macro IOMEM_GET_FIELDADDR to fix sparse warnings Greg KH
2016-09-16 7:52 ` Greg KH [this message]
2016-09-16 10:41 ` zerons
2016-09-16 12:57 ` Greg KH
2016-09-16 13:54 ` zerons
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