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[122.29.157.13]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-2c7f5af8a07sm43355425ad.25.2026.06.26.10.19.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jun 2026 10:19:13 -0700 (PDT) From: Daniel Palmer To: robh@kernel.org, saravanak@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Palmer Subject: [PATCH] of/address: Drop ISA parts when !CONFIG_ISA Date: Sat, 27 Jun 2026 02:19:06 +0900 Message-ID: <20260626171906.476688-1-daniel@thingy.jp> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The PCI parts are already wrapped in #ifdef CONFIG_PCI so it seems sensible to add #ifdef CONFIG_ISA around the ISA parts. This reduces the code/data size a bit on configs with !CONFIG_ISA. Signed-off-by: Daniel Palmer --- Sorry for the spam, somehow I botched sending a patch.. I thought about making this RFC as I'm a bit unsure if machines that need this ISA stuff actually select CONFIG_ISA or not. The only in-kernel devicetrees that seem to use this are 4 old powerpc ones and I couldn't work out if those boards do end up with CONFIG_ISA. But then again it seems odd for everyone to get this code for 4 old boards. drivers/of/address.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/of/address.c b/drivers/of/address.c index cf4aab11e9b1..9b2f0d462fb5 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -277,6 +277,7 @@ int of_range_to_resource(struct device_node *np, int index, struct resource *res } EXPORT_SYMBOL(of_range_to_resource); +#ifdef CONFIG_ISA /* * ISA bus specific translator */ @@ -316,6 +317,7 @@ static unsigned int of_bus_isa_get_flags(const __be32 *addr) flags |= IORESOURCE_MEM; return flags; } +#endif static int of_bus_default_flags_match(struct device_node *np) { @@ -349,6 +351,7 @@ static const struct of_bus of_busses[] = { .get_flags = of_bus_pci_get_flags, }, #endif /* CONFIG_PCI */ +#ifdef CONFIG_ISA /* ISA */ { .name = "isa", @@ -360,6 +363,7 @@ static const struct of_bus of_busses[] = { .flag_cells = 1, .get_flags = of_bus_isa_get_flags, }, +#endif /* CONFIG_ISA */ /* Default with flags cell */ { .name = "default-flags", -- 2.53.0