From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Arnd Bergmann <arnd@kernel.org>,
Michal Nazarewicz <mina86@mina86.com>,
Arnd Bergmann <arnd@arndb.de>,
Kyungmin Park <kyungmin.park@samsung.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
Robin Murphy <robin.murphy@arm.com>,
iommu@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 10/10] [RESEND 3] dma/contiguous: avoid warning about unused size_bytes
Date: Wed, 9 Apr 2025 17:43:00 +0300 [thread overview]
Message-ID: <Z_aHdH7Ei_cffeIL@smile.fi.intel.com> (raw)
In-Reply-To: <59af67fa-ca0d-48f6-8b78-b1c694af9dfd@samsung.com>
On Wed, Apr 09, 2025 at 04:35:57PM +0200, Marek Szyprowski wrote:
> On 09.04.2025 14:24, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@arndb.de>
> >
> > When building with W=1, this variable is unused for configs with
> > CONFIG_CMA_SIZE_SEL_PERCENTAGE=y:
> >
> > kernel/dma/contiguous.c:67:26: error: 'size_bytes' defined but not used [-Werror=unused-const-variable=]
> >
> > Change this to a macro to avoid the warning.
> > -static const phys_addr_t size_bytes __initconst =
> > - (phys_addr_t)CMA_SIZE_MBYTES * SZ_1M;
> > +#define size_bytes (CMA_SIZE_MBYTES * SZ_1M)
This had phys_addr_t type before, do we still have the platforms when it can be
bigger than 32-bit integer?
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2025-04-09 14:43 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-09 12:21 [PATCH 00/10] -Wunused-const-variable warning fixes Arnd Bergmann
2025-04-09 12:22 ` [PATCH 01/10] drm/imagination: avoid unused-const-variable warning Arnd Bergmann
2025-04-09 12:22 ` [PATCH 02/10] [v2] clocksource: atmel_tcb: fix kconfig dependency Arnd Bergmann
2025-04-09 12:47 ` Alexandre Belloni
2025-04-09 15:30 ` Andy Shevchenko
2025-04-09 15:53 ` Arnd Bergmann
2025-04-09 12:22 ` [PATCH 03/10] [v2] Input: stmpe-ts - use module alias instead of device table Arnd Bergmann
2025-04-09 15:33 ` Andy Shevchenko
2025-04-09 15:49 ` Krzysztof Kozlowski
2025-04-09 12:22 ` [PATCH 04/10] [RESEND] mux: adg792a: remove incorrect of_match_ptr annotation Arnd Bergmann
2025-04-09 15:34 ` Andy Shevchenko
2025-05-01 17:56 ` (subset) " Krzysztof Kozlowski
2025-04-09 12:22 ` [PATCH 05/10] [RESEND] sched: open-code max_rt_runtime definition Arnd Bergmann
2025-04-09 12:22 ` [PATCH 06/10] [RESEND] lockdep: change 'static const' variables to enum values Arnd Bergmann
2025-05-02 14:02 ` Andy Shevchenko
2025-07-11 22:13 ` Boqun Feng
2025-07-19 17:40 ` [tip: locking/core] locking/lockdep: Change " tip-bot2 for Arnd Bergmann
2025-04-09 12:22 ` [PATCH 07/10] [RESEND] ARM: fixmap: make __end_of_early_ioremap_region an enum value Arnd Bergmann
2025-04-09 16:54 ` Andy Shevchenko
2025-04-09 12:23 ` [PATCH 08/10] [RESEND 2] comedi: ni_atmio: avoid warning for unused device_ids[] table Arnd Bergmann
2025-04-09 12:23 ` [PATCH 09/10] [RESEND 2] apm-emulation: hide an unused variable Arnd Bergmann
2025-04-10 11:22 ` [PATCH 01/10] drm/imagination: avoid unused-const-variable warning Matt Coster
2025-04-10 11:56 ` Jani Nikula
2025-04-10 11:58 ` Arnd Bergmann
2025-04-14 6:51 ` Andy Shevchenko
2025-04-22 16:08 ` Matt Coster
2025-04-24 10:04 ` (subset) " Matt Coster
2025-04-09 12:24 ` [PATCH 10/10] [RESEND 3] dma/contiguous: avoid warning about unused size_bytes Arnd Bergmann
2025-04-09 14:35 ` Marek Szyprowski
2025-04-09 14:43 ` Andy Shevchenko [this message]
2025-04-09 14:51 ` Arnd Bergmann
2025-04-09 14:57 ` Marek Szyprowski
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