From: Dan Carpenter <dan.carpenter@oracle.com>
To: Martin Kaiser <martin@kaiser.cx>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Larry Finger <Larry.Finger@lwfinger.net>,
Phillip Potter <phil@philpotter.co.uk>,
Michael Straube <straube.linux@gmail.com>,
linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 6/6] staging: r8188eu: remove local BIT macro
Date: Wed, 16 Mar 2022 12:27:44 +0300 [thread overview]
Message-ID: <20220316092743.GD1841@kadam> (raw)
In-Reply-To: <20220316090128.GT3293@kadam>
On Wed, Mar 16, 2022 at 12:01:28PM +0300, Dan Carpenter wrote:
> On Tue, Mar 15, 2022 at 09:50:41PM +0100, Martin Kaiser wrote:
> > The r8188eu driver defines a local BIT(x) macro. Remove this local macro
> > and use the one from include/linux/bits.h.
> >
> > The global BIT macro returns an unsigned long value. Therefore, we have to
> > cast DYNAMIC_BB_DYNAMIC_TXPWR to u32 explicitly. This define is used with
> > the bitwise not operator.
>
> It doesn't change run time at all if you leave it as unsigned long.
> I don't know if there are static checkers which care, but if there are
> then those checkers are wrong. It's nicer to not have the unnecesary
> cast.
Oop. It's a GCC warning...
People accept such absolute garbage from GCC. It's like in Africa when
you get bitten by a snake they rub cow dung into the wound. If it hurts
it must be good.
regards,
dan carpenter
next prev parent reply other threads:[~2022-03-16 9:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-15 20:50 [PATCH v2 0/6] staging: r8188eu: some rx cleanups Martin Kaiser
2022-03-15 20:50 ` [PATCH v2 1/6] staging: r8188eu: remove unnecessary initializations Martin Kaiser
2022-03-15 20:50 ` [PATCH v2 2/6] staging: r8188eu: remove three unused receive defines Martin Kaiser
2022-03-15 20:50 ` [PATCH v2 3/6] staging: r8188eu: remove unused function prototype Martin Kaiser
2022-03-15 20:50 ` [PATCH v2 4/6] staging: r8188eu: make rtl8188e_process_phy_info static Martin Kaiser
2022-03-15 20:50 ` [PATCH v2 5/6] staging: r8188eu: remove some unused local ieee80211 macros Martin Kaiser
2022-03-15 20:50 ` [PATCH v2 6/6] staging: r8188eu: remove local BIT macro Martin Kaiser
2022-03-16 6:40 ` Greg Kroah-Hartman
2022-03-16 9:01 ` Dan Carpenter
2022-03-16 9:27 ` Dan Carpenter [this message]
2022-03-16 14:10 ` [PATCH v2 0/6] staging: r8188eu: some rx cleanups Greg Kroah-Hartman
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