linux-kernel - Kconfig fails: big select-based circular dependency

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Message-ID: <20140607090944.GL23430@n2100.arm.linux.org.uk>
Date:	Sat, 7 Jun 2014 10:09:44 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Kconfig fails: big select-based circular dependency

This is getting silly:

scripts/kconfig/conf --silentoldconfig Kconfig
drivers/dma/Kconfig:5:error: recursive dependency detected!
drivers/dma/Kconfig:5:  symbol DMADEVICES is selected by SAMSUNG_DMADEV
arch/arm/plat-samsung/Kconfig:412:      symbol SAMSUNG_DMADEV is selected by S3C64XX_PL080
arch/arm/mach-s3c64xx/Kconfig:20:       symbol S3C64XX_PL080 is selected by SPI_S3C64XX
drivers/spi/Kconfig:429:        symbol SPI_S3C64XX depends on SPI
drivers/spi/Kconfig:8:  symbol SPI is selected by DRM_PANEL_LD9040
drivers/gpu/drm/panel/Kconfig:19:       symbol DRM_PANEL_LD9040 depends on DRM_PANEL
drivers/gpu/drm/panel/Kconfig:1:        symbol DRM_PANEL is selected by DRM_IMX_LDB
drivers/staging/imx-drm/Kconfig:35:     symbol DRM_IMX_LDB depends on MFD_SYSCON
drivers/mfd/Kconfig:722:        symbol MFD_SYSCON is selected by POWER_RESET_KEYSTONE
drivers/power/reset/Kconfig:76: symbol POWER_RESET_KEYSTONE depends on POWER_SUPPLY
drivers/power/Kconfig:1:        symbol POWER_SUPPLY is selected by HID_SONY
drivers/hid/Kconfig:622:        symbol HID_SONY depends on NEW_LEDS
drivers/leds/Kconfig:8: symbol NEW_LEDS is selected by BACKLIGHT_ADP8860
drivers/video/backlight/Kconfig:327:    symbol BACKLIGHT_ADP8860 depends on BACKLIGHT_CLASS_DEVICE
drivers/video/backlight/Kconfig:156:    symbol BACKLIGHT_CLASS_DEVICE is selected by FB_MX3
drivers/video/fbdev/Kconfig:2333:       symbol FB_MX3 depends on MX3_IPU
drivers/dma/Kconfig:121:        symbol MX3_IPU depends on DMADEVICES

This is a good illustration why the select disease is truely bad...

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