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Message-ID: <c95cb60e-187f-528f-41e8-4f5989e15198@csgroup.eu>
Date: Wed, 9 Aug 2023 14:47:22 +0000
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: Herve Codina <herve.codina@...tlin.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Qiang Zhao <qiang.zhao@....com>, Li Yang <leoyang.li@....com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Shengjiu Wang <shengjiu.wang@...il.com>,
Xiubo Li <Xiubo.Lee@...il.com>,
Fabio Estevam <festevam@...il.com>,
Nicolin Chen <nicoleotsuka@...il.com>,
Randy Dunlap <rdunlap@...radead.org>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v3 05/28] soc: fsl: cpm1: qmc: Remove inline function
specifiers
Le 09/08/2023 à 15:27, Herve Codina a écrit :
> The inline function specifier is present on some functions but it is
> better to let the compiler decide inlining or not these functions.
And anyway the compiler can decide to not inline a function marked
inline since commit ac7c3e4ff401 ("compiler: enable
CONFIG_OPTIMIZE_INLINING forcibly") followed by commit 889b3c1245de
("compiler: remove CONFIG_OPTIMIZE_INLINING entirely").
So unless you mark it __always_inline you have no guarranty that the
compiler does what you tell it to do.
>
> Remove inline specifiers.
>
> Fixes: 3178d58e0b97 ("soc: fsl: cpm1: Add support for QMC")
> Signed-off-by: Herve Codina <herve.codina@...tlin.com>
> Suggested-by: Andrew Lunn <andrew@...n.ch>
Reviewed-by: Christophe Leroy <christophe.leroy@...roup.eu>
> ---
> drivers/soc/fsl/qe/qmc.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c
> index 2d2a9d88ba6c..459e0bbd723d 100644
> --- a/drivers/soc/fsl/qe/qmc.c
> +++ b/drivers/soc/fsl/qe/qmc.c
> @@ -218,37 +218,37 @@ struct qmc {
> struct qmc_chan *chans[64];
> };
>
> -static inline void qmc_write16(void __iomem *addr, u16 val)
> +static void qmc_write16(void __iomem *addr, u16 val)
> {
> iowrite16be(val, addr);
> }
>
> -static inline u16 qmc_read16(void __iomem *addr)
> +static u16 qmc_read16(void __iomem *addr)
> {
> return ioread16be(addr);
> }
>
> -static inline void qmc_setbits16(void __iomem *addr, u16 set)
> +static void qmc_setbits16(void __iomem *addr, u16 set)
> {
> qmc_write16(addr, qmc_read16(addr) | set);
> }
>
> -static inline void qmc_clrbits16(void __iomem *addr, u16 clr)
> +static void qmc_clrbits16(void __iomem *addr, u16 clr)
> {
> qmc_write16(addr, qmc_read16(addr) & ~clr);
> }
>
> -static inline void qmc_write32(void __iomem *addr, u32 val)
> +static void qmc_write32(void __iomem *addr, u32 val)
> {
> iowrite32be(val, addr);
> }
>
> -static inline u32 qmc_read32(void __iomem *addr)
> +static u32 qmc_read32(void __iomem *addr)
> {
> return ioread32be(addr);
> }
>
> -static inline void qmc_setbits32(void __iomem *addr, u32 set)
> +static void qmc_setbits32(void __iomem *addr, u32 set)
> {
> qmc_write32(addr, qmc_read32(addr) | set);
> }
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