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[95.117.112.249]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-493f2c8de2asm204774265e9.1.2026.07.12.09.04.22 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sun, 12 Jul 2026 09:04:22 -0700 (PDT) From: Karl Mehltretter To: Stephen Boyd , Michael Turquette , Ryan Chen Cc: Joel Stanley , Brian Masney , Andrew Jeffery , linux-clk@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Karl Mehltretter Subject: [PATCH] clk: aspeed: ast2700: select AUXILIARY_BUS Date: Sun, 12 Jul 2026 18:03:01 +0200 Message-Id: <20260712160301.98941-1-kmehltretter@gmail.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The AST2700 clock driver also exposes the SoC reset controller: it hands its register base to a reset auxiliary device via devm_auxiliary_device_create(), which the separate ASPEED reset driver (RESET_ASPEED) then binds to. That create call needs the auxiliary bus core (AUXILIARY_BUS), not the reset driver itself, but COMMON_CLK_AST2700 does not select AUXILIARY_BUS. It builds today only because RESET_ASPEED selects AUXILIARY_BUS and is normally enabled alongside the clock driver. On a randconfig with COMMON_CLK_AST2700=3Dy and RESET_ASPEED=3Dn, nothing pulls the auxiliary bus in and the kernel fails to link: ld: drivers/clk/aspeed/clk-ast2700.o: in function `ast2700_soc_clk_probe': clk-ast2700.c:(.text+0x147c): undefined reference to `__devm_auxiliary_de= vice_create' Select AUXILIARY_BUS directly, as other clock drivers that create auxiliary devices do, so it builds regardless of the reset driver. Fixes: fdc1eb624ddc ("clk: aspeed: add AST2700 clock driver") Signed-off-by: Karl Mehltretter Reviewed-by: Andrew Jeffery Reviewed-by: Brian Masney --- drivers/clk/aspeed/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/aspeed/Kconfig b/drivers/clk/aspeed/Kconfig index ef50481c31ff..2f505eb3ca95 100644 --- a/drivers/clk/aspeed/Kconfig +++ b/drivers/clk/aspeed/Kconfig @@ -15,6 +15,7 @@ config COMMON_CLK_ASPEED config COMMON_CLK_AST2700 bool "Clock driver for AST2700 SoC" depends on ARCH_ASPEED || COMPILE_TEST + select AUXILIARY_BUS help This driver provides support for clock on AST2700 SoC. The driver is responsible for managing the various clocks requir= ed --=20 2.39.5 (Apple Git-154)