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Sun, 9 Nov 2025 13:34:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762695295; bh=RT2rRE/ELY9bGrDnosbnveAK4kjkneS/XTqVsxUylns=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=NQyQz3Xu/4ch5jjTTPDSBjeBVRNEYduCHsh+EDx3P6FlYJVpOQX6pKco9OgMOx/in F80rjoMsLS/7XLxYrF1FBo4MLkHRajQPKOTIZOaC/6fi4uIG17iRyOJ0/gCowNRs1d ppYRn1q4Dml/h8MeJM8+xvbkn6hxSYS0Z2rnmdV3FUTzsqvHwhUI9R7XecGmL4AZ66 FwIhhM5L3YI62kDlehONx8TWE1Va+28/8EvO//yU3GevKDsQAA9ma5ZjkVGW1Wx847 0ivPCgE6pzDWEvB89x/gYKximcAcQCf/eOzmpaCr0FWO1PrXAbtfbX3KfScts9bAF9 YRGLPkFrZYHmA== Date: Sun, 9 Nov 2025 13:34:39 +0000 From: Jonathan Cameron To: Geert Uytterhoeven Cc: Yury Norov , Michael Turquette , Stephen Boyd , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Giovanni Cabiddu , Herbert Xu , David Miller , Linus Walleij , Bartosz Golaszewski , Joel Stanley , Andrew Jeffery , Crt Mori , Lars-Peter Clausen , Jacky Huang , Shan-Chun Hung , Rasmus Villemoes , Jaroslav Kysela , Takashi Iwai , Johannes Berg , Jakub Kicinski , Alex Elder , David Laight , Vincent Mailhol , Jason Baron , Borislav Petkov , Tony Luck , Michael Hennerich , Kim Seer Paller , David Lechner , Nuno =?UTF-8?B?U8Oh?= , Andy Shevchenko , Richard Genoud , Cosmin Tanislav , Biju Das , Jianping Shen , Nathan Chancellor , Nick Desaulniers , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-crypto@vger.kernel.org, linux-edac@vger.kernel.org, qat-linux@intel.com, linux-gpio@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-iio@vger.kernel.org, linux-sound@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH -next v6 10/26] iio: imu: smi330: #undef field_{get,prep}() before definition Message-ID: <20251109133439.3d841b5b@jic23-huawei> In-Reply-To: <54c739d05673e512d091bf78e54cd00e3655d7d4.1762435376.git.geert+renesas@glider.be> References: <54c739d05673e512d091bf78e54cd00e3655d7d4.1762435376.git.geert+renesas@glider.be> X-Mailer: Claws Mail 4.3.1 (GTK 3.24.51; x86_64-pc-linux-gnu) X-Mailing-List: linux-aspeed@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 6 Nov 2025 14:33:58 +0100 Geert Uytterhoeven wrote: > Prepare for the advent of globally available common field_get() and > field_prep() macros by undefining the symbols before defining local > variants. This prevents redefinition warnings from the C preprocessor > when introducing the common macros later. > > Suggested-by: Yury Norov > Signed-off-by: Geert Uytterhoeven I tweaked the original driver to avoid the naming clash so this can be dropped and we can replace with the new function next cycle. Thanks, Jonathan > --- > v6: > - No changes, > > v5: > - New. > --- > drivers/iio/imu/smi330/smi330_core.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/iio/imu/smi330/smi330_core.c b/drivers/iio/imu/smi330/smi330_core.c > index d9178725ade3da83..a79964fe68fadf47 100644 > --- a/drivers/iio/imu/smi330/smi330_core.c > +++ b/drivers/iio/imu/smi330/smi330_core.c > @@ -68,7 +68,9 @@ > #define SMI330_SOFT_RESET_DELAY 2000 > > /* Non-constant mask variant of FIELD_GET() and FIELD_PREP() */ > +#undef field_get > #define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1)) > +#undef field_prep > #define field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask)) > > #define SMI330_ACCEL_CHANNEL(_axis) { \