From: "Arnd Bergmann" <arnd@arndb.de>
To: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org
Cc: "Richard Henderson" <richard.henderson@linaro.org>,
"Ivan Kokshaysky" <ink@jurassic.park.msu.ru>,
"Matt Turner" <mattst88@gmail.com>,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"James E . J . Bottomley" <James.Bottomley@HansenPartnership.com>,
"Helge Deller" <deller@gmx.de>,
"David S . Miller" <davem@davemloft.net>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Ingo Molnar" <mingo@redhat.com>,
"Borislav Petkov" <bp@alien8.de>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
"Christoph Hellwig" <hch@lst.de>,
"Marek Szyprowski" <m.szyprowski@samsung.com>,
"Robin Murphy" <robin.murphy@arm.com>,
"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org,
sparclinux@vger.kernel.org, iommu@lists.linux.dev,
Linux-Arch <linux-arch@vger.kernel.org>
Subject: Re: [PATCH] dma-mapping: no need to pass a bus_type into get_arch_dma_ops()
Date: Tue, 14 Feb 2023 15:12:29 +0100 [thread overview]
Message-ID: <4e57a5aa-fd7a-4cda-90e3-6a02cfeb04c0@app.fastmail.com> (raw)
In-Reply-To: <20230214140121.131859-1-gregkh@linuxfoundation.org>
On Tue, Feb 14, 2023, at 15:01, Greg Kroah-Hartman wrote:
> The get_arch_dma_ops() arch-specific function never does anything with
> the struct bus_type that is passed into it, so remove it entirely as it
> is not needed.
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
> Note: Unless someone objects, I would like to take this through the
> driver-core tree, as further bus_type cleanups depend on it, and it's
> stand-alone from everyone else's tree at the moment from what I can
> determine.
Nice find!
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
It looks like the bus was last required in 2020 before commit
255a69a94b8c ("sparc32: use per-device dma_ops").
Arnd
prev parent reply other threads:[~2023-02-14 14:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-14 14:01 Greg Kroah-Hartman
2023-02-14 14:11 ` Christoph Hellwig
2023-02-14 14:12 ` Arnd Bergmann [this message]
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