linux-kernel - [PATCH 15/20] ata: sata_highbank: Ignore -Woverride-init

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Message-Id: <20210128180239.548512-16-lee.jones@linaro.org>
Date:   Thu, 28 Jan 2021 18:02:34 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org
Cc:     linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>,
        linux-ide@...r.kernel.org
Subject: [PATCH 15/20] ata: sata_highbank: Ignore -Woverride-init

Some ATA drivers use the SCSI host template, a series of interwoven
macros, to aid with initialisation.  Some of these macros conflict,
resulting in the over-writing of previously set values.

This is known behaviour and can be safely ignored.

Fixes the following W=1 kernel build warning(s):

 In file included from drivers/ata/sata_highbank.c:25:
 drivers/ata/ahci.h:387:16: warning: initialized field overwritten [-Woverride-init]
 drivers/ata/sata_highbank.c:442:2: note: in expansion of macro ‘AHCI_SHT’
 drivers/ata/ahci.h:387:16: note: (near initialization for ‘ahci_highbank_platform_sht.can_queue’)
 drivers/ata/sata_highbank.c:442:2: note: in expansion of macro ‘AHCI_SHT’
 drivers/ata/ahci.h:391:17: warning: initialized field overwritten [-Woverride-init]
 drivers/ata/sata_highbank.c:442:2: note: in expansion of macro ‘AHCI_SHT’
 drivers/ata/ahci.h:391:17: note: (near initialization for ‘ahci_highbank_platform_sht.sdev_attrs’)
 drivers/ata/sata_highbank.c:442:2: note: in expansion of macro ‘AHCI_SHT’

Cc: Jens Axboe <axboe@...nel.dk>
Cc: linux-ide@...r.kernel.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/ata/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index d46703777cdd4..cf851f5a4e7fd 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -5,6 +5,7 @@ CFLAGS_ahci_ceva.o		= $(call cc-disable-warning, override-init)
 CFLAGS_ahci_dm816.o		= $(call cc-disable-warning, override-init)
 CFLAGS_ahci_mtk.o		= $(call cc-disable-warning, override-init)
 CFLAGS_ahci_platform.o		= $(call cc-disable-warning, override-init)
+CFLAGS_sata_highbank.o		= $(call cc-disable-warning, override-init)
 CFLAGS_sata_sil24.o		= $(call cc-disable-warning, override-init)
 
 obj-$(CONFIG_ATA)		+= libata.o
-- 
2.25.1