netdev - Re: [PATCH 33/34] drivers: remove incorrect of_match_ptr/ACPI

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Message-ID: <2024040921-propose-scorer-a319@gregkh>
Date: Tue, 9 Apr 2024 15:48:28 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Arnd Bergmann <arnd@...nel.org>
Cc: linux-kernel@...r.kernel.org, Corey Minyard <minyard@....org>,
	Peter Huewe <peterhuewe@....de>,
	Jarkko Sakkinen <jarkko@...nel.org>, Vinod Koul <vkoul@...nel.org>,
	Moritz Fischer <mdf@...nel.org>, Wu Hao <hao.wu@...el.com>,
	Xu Yilun <yilun.xu@...el.com>, Jiri Kosina <jikos@...nel.org>,
	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	Michael Hennerich <michael.hennerich@...log.com>,
	Peter Rosin <peda@...ntia.se>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Iyappan Subramanian <iyappan@...amperecomputing.com>,
	Keyur Chudgar <keyur@...amperecomputing.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Yisen Zhuang <yisen.zhuang@...wei.com>,
	Salil Mehta <salil.mehta@...wei.com>,
	Tony Lindgren <tony@...mide.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Xiang Chen <chenxiang66@...ilicon.com>,
	"James E.J. Bottomley" <jejb@...ux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Russell King <linux@...linux.org.uk>,
	Jiri Slaby <jirislaby@...nel.org>,
	Jacky Huang <ychuang3@...oton.com>,
	Shan-Chun Hung <schung@...oton.com>, Arnd Bergmann <arnd@...db.de>,
	Jason Gunthorpe <jgg@...pe.ca>, Tom Rix <trix@...hat.com>,
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	Randy Dunlap <rdunlap@...radead.org>, Rob Herring <robh@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	openipmi-developer@...ts.sourceforge.net,
	linux-integrity@...r.kernel.org, dmaengine@...r.kernel.org,
	linux-fpga@...r.kernel.org, linux-input@...r.kernel.org,
	linux-i2c@...r.kernel.org, netdev@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-rtc@...r.kernel.org,
	linux-scsi@...r.kernel.org, linux-staging@...ts.linux.dev,
	linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 33/34] drivers: remove incorrect of_match_ptr/ACPI_PTR
 annotations

On Wed, Apr 03, 2024 at 10:06:51AM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> When building with CONFIG_OF and/or CONFIG_ACPI disabled but W=1 extra
> warnings enabled, a lot of driver cause a warning about an unused
> ID table:
> 
> drivers/char/tpm/tpm_ftpm_tee.c:356:34: error: unused variable 'of_ftpm_tee_ids' [-Werror,-Wunused-const-variable]
> drivers/dma/img-mdc-dma.c:863:34: error: unused variable 'mdc_dma_of_match' [-Werror,-Wunused-const-variable]
> drivers/fpga/versal-fpga.c:62:34: error: unused variable 'versal_fpga_of_match' [-Werror,-Wunused-const-variable]
> drivers/i2c/muxes/i2c-mux-ltc4306.c:200:34: error: unused variable 'ltc4306_of_match' [-Werror,-Wunused-const-variable]
> drivers/i2c/muxes/i2c-mux-reg.c:242:34: error: unused variable 'i2c_mux_reg_of_match' [-Werror,-Wunused-const-variable]
> drivers/memory/pl353-smc.c:62:34: error: unused variable 'pl353_smc_supported_children' [-Werror,-Wunused-const-variable]
> drivers/regulator/pbias-regulator.c:136:34: error: unused variable 'pbias_of_match' [-Werror,-Wunused-const-variable]
> drivers/regulator/twl-regulator.c:552:34: error: unused variable 'twl_of_match' [-Werror,-Wunused-const-variable]
> drivers/regulator/twl6030-regulator.c:645:34: error: unused variable 'twl_of_match' [-Werror,-Wunused-const-variable]
> drivers/scsi/hisi_sas/hisi_sas_v2_hw.c:3635:36: error: unused variable 'sas_v2_acpi_match' [-Werror,-Wunused-const-variable]
> drivers/staging/pi433/pi433_if.c:1359:34: error: unused variable 'pi433_dt_ids' [-Werror,-Wunused-const-variable]
> drivers/tty/serial/amba-pl011.c:2945:34: error: unused variable 'sbsa_uart_of_match' [-Werror,-Wunused-const-variable]
> 
> The fix is always to just remove the of_match_ptr() and ACPI_PTR() wrappers
> that remove the reference, rather than adding another #ifdef just for build
> testing for a configuration that doesn't matter in practice.
> 
> I considered splitting up the large patch into per subsystem patches, but since
> it's really just the same thing everywhere it feels better to do it all at once.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>