From: Wolfram Sang <wsa@the-dreams.de>
To: linux-kernel@vger.kernel.org
Cc: Wan ZongShun <mcuos.com@gmail.com>,
linux-mips@linux-mips.org, alsa-devel@alsa-project.org,
linux-usb@vger.kernel.org,
Kevin Hilman <khilman@deeprootsystems.com>,
Wolfram Sang <wsa@the-dreams.de>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Viresh Kumar <viresh.kumar@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
Matt Mackall <mpm@selenic.com>, Sekhar Nori <nsekhar@ti.com>,
linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
Jaroslav Kysela <perex@perex.cz>,
linux-ide@vger.kernel.org, Wim Van Sebroeck <wim@iguana.be>,
netdev@vger.kernel.org, linux-mtd@lists.infradead.org,
linux-i2c@vger.kernel.org, Evgeniy Polyakov <zbr@ioremap.net>,
Jiri Slaby <jslaby@suse.cz>,
ac100@lists.launchpad.net, devel@driverdev.osuosl.org,
Kukjin Kim <kgene.kim@samsung.com>,
Russell King <linux@arm.linux.org.uk>,
Herbert Xu <herbert@gondor.apana.org.au>,
Florian
Subject: [RFC 00/42] devm improvement series, part #1
Date: Fri, 10 May 2013 10:16:45 +0200 [thread overview]
Message-ID: <1368173847-5661-1-git-send-email-wsa@the-dreams.de> (raw)
Lately, I have been experimenting how to improve the devm interface to make
writing device drivers easier and less error prone while also getting rid of
its subtle issues. I think it has more potential but still needs work and
definately conistency, especiall in its usage.
The first thing I come up with is a low hanging fruit regarding
devm_ioremap_resouce(). This function already checks if the passed resource is
valid and gives an error message if not. So, we can remove similar checks from
the drivers and get rid of a bit of code and a number of inconsistent error
strings.
If generally accepted, I'd suggest I rerun my scripts again when rc1 is out and
ask Linus to pull this branch [1] directly? This series is merely to show what
I am up to.
Thanks,
Wolfram
[1] git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git devm_no_resource_check
Wolfram Sang (42):
drivers/ata: don't check resource with devm_ioremap_resource
drivers/char/hw_random: don't check resource with
devm_ioremap_resource
drivers/cpufreq: don't check resource with devm_ioremap_resource
drivers/dma: don't check resource with devm_ioremap_resource
drivers/gpio: don't check resource with devm_ioremap_resource
drivers/gpu/drm/exynos: don't check resource with
devm_ioremap_resource
drivers/gpu/host1x: don't check resource with devm_ioremap_resource
drivers/gpu/host1x/drm: don't check resource with
devm_ioremap_resource
drivers/i2c/busses: don't check resource with devm_ioremap_resource
drivers/input/keyboard: don't check resource with
devm_ioremap_resource
drivers/input/serio: don't check resource with devm_ioremap_resource
drivers/memory: don't check resource with devm_ioremap_resource
drivers/mfd: don't check resource with devm_ioremap_resource
drivers/misc: don't check resource with devm_ioremap_resource
drivers/mtd/maps: don't check resource with devm_ioremap_resource
drivers/mtd/nand: don't check resource with devm_ioremap_resource
drivers/net/ethernet/renesas: don't check resource with
devm_ioremap_resource
drivers/pinctrl: don't check resource with devm_ioremap_resource
drivers/pinctrl/spear: don't check resource with
devm_ioremap_resource
drivers/pwm: don't check resource with devm_ioremap_resource
drivers/remoteproc: don't check resource with devm_ioremap_resource
drivers/rtc: don't check resource with devm_ioremap_resource
drivers/spi: don't check resource with devm_ioremap_resource
drivers/staging/dwc2: don't check resource with devm_ioremap_resource
drivers/staging/nvec: don't check resource with devm_ioremap_resource
drivers/thermal: don't check resource with devm_ioremap_resource
drivers/tty/serial: don't check resource with devm_ioremap_resource
drivers/usb/chipidea: don't check resource with devm_ioremap_resource
drivers/usb/gadget: don't check resource with devm_ioremap_resource
drivers/usb/host: don't check resource with devm_ioremap_resource
drivers/usb/phy: don't check resource with devm_ioremap_resource
drivers/video: don't check resource with devm_ioremap_resource
drivers/video/omap2: don't check resource with devm_ioremap_resource
drivers/video/omap2/dss: don't check resource with
devm_ioremap_resource
drivers/w1/masters: don't check resource with devm_ioremap_resource
drivers/watchdog: don't check resource with devm_ioremap_resource
arch/arm/mach-tegra: don't check resource with devm_ioremap_resource
arch/arm/plat-omap: don't check resource with devm_ioremap_resource
arch/arm/plat-samsung: don't check resource with
devm_ioremap_resource
arch/mips/lantiq/xway: don't check resource with
devm_ioremap_resource
sound/soc/fsl: don't check resource with devm_ioremap_resource
sound/soc/kirkwood: don't check resource with devm_ioremap_resource
arch/arm/mach-tegra/tegra2_emc.c | 5 -----
arch/arm/plat-omap/dmtimer.c | 7 +------
arch/arm/plat-samsung/adc.c | 5 -----
arch/mips/lantiq/xway/gptu.c | 7 +------
drivers/ata/pata_ep93xx.c | 5 -----
drivers/char/hw_random/mxc-rnga.c | 6 ------
drivers/char/hw_random/omap-rng.c | 5 -----
drivers/cpufreq/kirkwood-cpufreq.c | 4 ----
drivers/dma/tegra20-apb-dma.c | 5 -----
drivers/gpio/gpio-mvebu.c | 12 +-----------
drivers/gpio/gpio-spear-spics.c | 7 +------
drivers/gpio/gpio-tegra.c | 5 -----
drivers/gpu/drm/exynos/exynos_hdmi.c | 5 -----
drivers/gpu/host1x/dev.c | 7 +------
drivers/gpu/host1x/drm/dc.c | 5 -----
drivers/i2c/busses/i2c-davinci.c | 6 +-----
drivers/i2c/busses/i2c-designware-platdrv.c | 6 +-----
drivers/i2c/busses/i2c-imx.c | 6 +-----
drivers/i2c/busses/i2c-omap.c | 6 +-----
drivers/i2c/busses/i2c-rcar.c | 7 +------
drivers/i2c/busses/i2c-s3c2410.c | 5 -----
drivers/i2c/busses/i2c-sirf.c | 6 ------
drivers/i2c/busses/i2c-tegra.c | 5 -----
drivers/input/keyboard/imx_keypad.c | 7 +------
drivers/input/keyboard/spear-keyboard.c | 7 +------
drivers/input/keyboard/tegra-kbc.c | 7 +------
drivers/input/serio/arc_ps2.c | 7 +------
drivers/memory/emif.c | 6 ------
drivers/mfd/intel_msic.c | 6 +-----
drivers/misc/atmel-ssc.c | 5 -----
drivers/mtd/maps/autcpu12-nvram.c | 7 +------
drivers/mtd/maps/lantiq-flash.c | 8 +-------
drivers/mtd/nand/lpc32xx_mlc.c | 5 -----
drivers/mtd/nand/lpc32xx_slc.c | 7 +------
drivers/net/ethernet/renesas/sh_eth.c | 14 +-------------
drivers/pinctrl/pinctrl-at91.c | 7 +------
drivers/pinctrl/pinctrl-coh901.c | 5 -----
drivers/pinctrl/pinctrl-exynos5440.c | 5 -----
drivers/pinctrl/pinctrl-samsung.c | 5 -----
drivers/pinctrl/pinctrl-xway.c | 4 ----
drivers/pinctrl/spear/pinctrl-plgpio.c | 7 +------
drivers/pwm/pwm-imx.c | 5 -----
drivers/pwm/pwm-puv3.c | 5 -----
drivers/pwm/pwm-pxa.c | 5 -----
drivers/pwm/pwm-spear.c | 7 +------
drivers/pwm/pwm-tegra.c | 5 -----
drivers/pwm/pwm-tiecap.c | 5 -----
drivers/pwm/pwm-tiehrpwm.c | 5 -----
drivers/pwm/pwm-tipwmss.c | 5 -----
drivers/pwm/pwm-vt8500.c | 5 -----
drivers/remoteproc/da8xx_remoteproc.c | 14 +-------------
drivers/rtc/rtc-nuc900.c | 6 +-----
drivers/rtc/rtc-omap.c | 5 -----
drivers/rtc/rtc-s3c.c | 5 -----
drivers/rtc/rtc-spear.c | 7 +------
drivers/rtc/rtc-tegra.c | 6 ------
drivers/spi/spi-bcm63xx.c | 8 +-------
drivers/spi/spi-ep93xx.c | 8 +-------
drivers/spi/spi-omap2-mcspi.c | 7 +------
drivers/spi/spi-s3c64xx.c | 7 +------
drivers/spi/spi-sirf.c | 7 +------
drivers/spi/spi-tegra114.c | 7 +------
drivers/spi/spi-tegra20-sflash.c | 5 -----
drivers/spi/spi-tegra20-slink.c | 7 +------
drivers/staging/dwc2/platform.c | 5 -----
drivers/staging/nvec/nvec.c | 5 -----
drivers/thermal/dove_thermal.c | 11 +----------
drivers/thermal/exynos_thermal.c | 5 -----
drivers/thermal/kirkwood_thermal.c | 7 +------
drivers/thermal/rcar_thermal.c | 6 +-----
drivers/tty/serial/serial-tegra.c | 6 +-----
drivers/usb/chipidea/core.c | 5 -----
drivers/usb/gadget/bcm63xx_udc.c | 10 ----------
drivers/usb/host/ehci-atmel.c | 9 +--------
drivers/usb/host/ehci-mxc.c | 8 +-------
drivers/usb/host/ehci-platform.c | 6 +-----
drivers/usb/host/ehci-sh.c | 10 +---------
drivers/usb/host/ohci-nxp.c | 6 ------
drivers/usb/host/ohci-platform.c | 7 +------
drivers/usb/phy/phy-mv-u3d-usb.c | 5 -----
drivers/usb/phy/phy-mxs-usb.c | 5 -----
drivers/usb/phy/phy-samsung-usb2.c | 5 -----
drivers/usb/phy/phy-samsung-usb3.c | 5 -----
drivers/video/mxsfb.c | 7 +------
drivers/video/omap2/dss/hdmi.c | 7 +------
drivers/video/omap2/vrfb.c | 5 -----
drivers/w1/masters/omap_hdq.c | 5 -----
drivers/watchdog/imx2_wdt.c | 5 -----
sound/soc/fsl/imx-ssi.c | 6 ------
sound/soc/kirkwood/kirkwood-i2s.c | 5 -----
90 files changed, 43 insertions(+), 525 deletions(-)
--
1.7.10.4
______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/
WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: linux-kernel@vger.kernel.org
Cc: Wolfram Sang <wsa@the-dreams.de>,
ac100@lists.launchpad.net, Alan Stern <stern@rowland.harvard.edu>,
Alessandro Zummo <a.zummo@towertech.it>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
alsa-devel@alsa-project.org, Arnd Bergmann <arnd@arndb.de>,
Barry Song <baohua.song@csr.com>, Ben Dooks <ben-linux@fluff.org>,
cpufreq@vger.kernel.org, Dan Williams <djbw@fb.com>,
David Airlie <airlied@linux.ie>,
David Woodhouse <dwmw2@infradead.org>,
davinci-linux-open-source@linux.davincidsp.com,
Deepak Saxena <dsaxena@plexity.net>,
devel@driverdev.osuosl.org,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
dri-devel@lists.freedesktop.org,
Evgeniy Polyakov <zbr@ioremap.net>, Felipe Balbi <balbi@ti.com>,
Florian Tobias Schandinat <FlorianSchandinat@gmx.de>,
Grant Likely <grant.likely@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Herbert Xu <herbert@gondor.apana.org.au>,
Inki Dae <inki.dae@samsung.com>, Jaroslav Kysela <perex@perex.cz>,
Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
Jiri Slaby <jslaby@suse.cz>,
Joonyoung Shim <jy0922.shim@samsung.com>,
Julian Andres Klode <jak@jak-linux.org>,
Kevin Hilman <khilman@deeprootsystems.com>,
Kukjin Kim <kgene.kim@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Linus Walleij <linus.walleij@linaro.org>,
linux-arm-kernel@lists.infradead.org,
linux-fbdev@vger.kernel.org, linux-i2c@vger.kernel.org,
linux-ide@vger.kernel.org, linux-input@vger.kernel.org,
linux-mips@linux-mips.org, linux-mtd@lists.infradead.org,
linux-omap@vger.kernel.org, linux-pm@vger.kernel.org,
linux-samsung-soc@vger.kernel.org, linux-serial@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org,
linux-watchdog@vger.kernel.org, Marc Dietrich <marvin24@gmx.de>,
Mark Brown <broonie@kernel.org>, Matt Mackall <mpm@selenic.com>,
netdev@vger.kernel.org, Ohad Ben-Cohen <ohad@wizery.com>,
Paul Zimmerman <paulz@synopsys.com>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
Ralf Baechle <ralf@linux-mips.org>,
rtc-linux@googlegroups.com, Russell King <linux@arm.linux.org.uk>,
Samuel Ortiz <sameo@linux.intel.com>,
Sekhar Nori <nsekhar@ti.com>,
Seung-Woo Kim <sw0312.kim@samsung.com>,
spear-devel@list.st.com, spi-devel-general@lists.sourceforge.net,
Stephen Warren <swarren@wwwdotorg.org>,
Takashi Iwai <tiwai@suse.de>, Tejun Heo <tj@kernel.org>,
Thierry Reding <thierry.reding@avionic-design.de>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
Tony Lindgren <tony@atomide.com>,
Tony Prisk <linux@prisktech.co.nz>,
Vinod Koul <vinod.koul@intel.com>,
Viresh Kumar <viresh.kumar@linaro.org>,
Viresh Kumar <viresh.linux@gmail.com>,
Wan ZongShun <mcuos.com@gmail.com>,
Wim Van Sebroeck <wim@iguana.be>, Zhang Rui <rui.zhang@intel.com>
Subject: [RFC 00/42] devm improvement series, part #1
Date: Fri, 10 May 2013 10:16:45 +0200 [thread overview]
Message-ID: <1368173847-5661-1-git-send-email-wsa@the-dreams.de> (raw)
Lately, I have been experimenting how to improve the devm interface to make
writing device drivers easier and less error prone while also getting rid of
its subtle issues. I think it has more potential but still needs work and
definately conistency, especiall in its usage.
The first thing I come up with is a low hanging fruit regarding
devm_ioremap_resouce(). This function already checks if the passed resource is
valid and gives an error message if not. So, we can remove similar checks from
the drivers and get rid of a bit of code and a number of inconsistent error
strings.
If generally accepted, I'd suggest I rerun my scripts again when rc1 is out and
ask Linus to pull this branch [1] directly? This series is merely to show what
I am up to.
Thanks,
Wolfram
[1] git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git devm_no_resource_check
Wolfram Sang (42):
drivers/ata: don't check resource with devm_ioremap_resource
drivers/char/hw_random: don't check resource with
devm_ioremap_resource
drivers/cpufreq: don't check resource with devm_ioremap_resource
drivers/dma: don't check resource with devm_ioremap_resource
drivers/gpio: don't check resource with devm_ioremap_resource
drivers/gpu/drm/exynos: don't check resource with
devm_ioremap_resource
drivers/gpu/host1x: don't check resource with devm_ioremap_resource
drivers/gpu/host1x/drm: don't check resource with
devm_ioremap_resource
drivers/i2c/busses: don't check resource with devm_ioremap_resource
drivers/input/keyboard: don't check resource with
devm_ioremap_resource
drivers/input/serio: don't check resource with devm_ioremap_resource
drivers/memory: don't check resource with devm_ioremap_resource
drivers/mfd: don't check resource with devm_ioremap_resource
drivers/misc: don't check resource with devm_ioremap_resource
drivers/mtd/maps: don't check resource with devm_ioremap_resource
drivers/mtd/nand: don't check resource with devm_ioremap_resource
drivers/net/ethernet/renesas: don't check resource with
devm_ioremap_resource
drivers/pinctrl: don't check resource with devm_ioremap_resource
drivers/pinctrl/spear: don't check resource with
devm_ioremap_resource
drivers/pwm: don't check resource with devm_ioremap_resource
drivers/remoteproc: don't check resource with devm_ioremap_resource
drivers/rtc: don't check resource with devm_ioremap_resource
drivers/spi: don't check resource with devm_ioremap_resource
drivers/staging/dwc2: don't check resource with devm_ioremap_resource
drivers/staging/nvec: don't check resource with devm_ioremap_resource
drivers/thermal: don't check resource with devm_ioremap_resource
drivers/tty/serial: don't check resource with devm_ioremap_resource
drivers/usb/chipidea: don't check resource with devm_ioremap_resource
drivers/usb/gadget: don't check resource with devm_ioremap_resource
drivers/usb/host: don't check resource with devm_ioremap_resource
drivers/usb/phy: don't check resource with devm_ioremap_resource
drivers/video: don't check resource with devm_ioremap_resource
drivers/video/omap2: don't check resource with devm_ioremap_resource
drivers/video/omap2/dss: don't check resource with
devm_ioremap_resource
drivers/w1/masters: don't check resource with devm_ioremap_resource
drivers/watchdog: don't check resource with devm_ioremap_resource
arch/arm/mach-tegra: don't check resource with devm_ioremap_resource
arch/arm/plat-omap: don't check resource with devm_ioremap_resource
arch/arm/plat-samsung: don't check resource with
devm_ioremap_resource
arch/mips/lantiq/xway: don't check resource with
devm_ioremap_resource
sound/soc/fsl: don't check resource with devm_ioremap_resource
sound/soc/kirkwood: don't check resource with devm_ioremap_resource
arch/arm/mach-tegra/tegra2_emc.c | 5 -----
arch/arm/plat-omap/dmtimer.c | 7 +------
arch/arm/plat-samsung/adc.c | 5 -----
arch/mips/lantiq/xway/gptu.c | 7 +------
drivers/ata/pata_ep93xx.c | 5 -----
drivers/char/hw_random/mxc-rnga.c | 6 ------
drivers/char/hw_random/omap-rng.c | 5 -----
drivers/cpufreq/kirkwood-cpufreq.c | 4 ----
drivers/dma/tegra20-apb-dma.c | 5 -----
drivers/gpio/gpio-mvebu.c | 12 +-----------
drivers/gpio/gpio-spear-spics.c | 7 +------
drivers/gpio/gpio-tegra.c | 5 -----
drivers/gpu/drm/exynos/exynos_hdmi.c | 5 -----
drivers/gpu/host1x/dev.c | 7 +------
drivers/gpu/host1x/drm/dc.c | 5 -----
drivers/i2c/busses/i2c-davinci.c | 6 +-----
drivers/i2c/busses/i2c-designware-platdrv.c | 6 +-----
drivers/i2c/busses/i2c-imx.c | 6 +-----
drivers/i2c/busses/i2c-omap.c | 6 +-----
drivers/i2c/busses/i2c-rcar.c | 7 +------
drivers/i2c/busses/i2c-s3c2410.c | 5 -----
drivers/i2c/busses/i2c-sirf.c | 6 ------
drivers/i2c/busses/i2c-tegra.c | 5 -----
drivers/input/keyboard/imx_keypad.c | 7 +------
drivers/input/keyboard/spear-keyboard.c | 7 +------
drivers/input/keyboard/tegra-kbc.c | 7 +------
drivers/input/serio/arc_ps2.c | 7 +------
drivers/memory/emif.c | 6 ------
drivers/mfd/intel_msic.c | 6 +-----
drivers/misc/atmel-ssc.c | 5 -----
drivers/mtd/maps/autcpu12-nvram.c | 7 +------
drivers/mtd/maps/lantiq-flash.c | 8 +-------
drivers/mtd/nand/lpc32xx_mlc.c | 5 -----
drivers/mtd/nand/lpc32xx_slc.c | 7 +------
drivers/net/ethernet/renesas/sh_eth.c | 14 +-------------
drivers/pinctrl/pinctrl-at91.c | 7 +------
drivers/pinctrl/pinctrl-coh901.c | 5 -----
drivers/pinctrl/pinctrl-exynos5440.c | 5 -----
drivers/pinctrl/pinctrl-samsung.c | 5 -----
drivers/pinctrl/pinctrl-xway.c | 4 ----
drivers/pinctrl/spear/pinctrl-plgpio.c | 7 +------
drivers/pwm/pwm-imx.c | 5 -----
drivers/pwm/pwm-puv3.c | 5 -----
drivers/pwm/pwm-pxa.c | 5 -----
drivers/pwm/pwm-spear.c | 7 +------
drivers/pwm/pwm-tegra.c | 5 -----
drivers/pwm/pwm-tiecap.c | 5 -----
drivers/pwm/pwm-tiehrpwm.c | 5 -----
drivers/pwm/pwm-tipwmss.c | 5 -----
drivers/pwm/pwm-vt8500.c | 5 -----
drivers/remoteproc/da8xx_remoteproc.c | 14 +-------------
drivers/rtc/rtc-nuc900.c | 6 +-----
drivers/rtc/rtc-omap.c | 5 -----
drivers/rtc/rtc-s3c.c | 5 -----
drivers/rtc/rtc-spear.c | 7 +------
drivers/rtc/rtc-tegra.c | 6 ------
drivers/spi/spi-bcm63xx.c | 8 +-------
drivers/spi/spi-ep93xx.c | 8 +-------
drivers/spi/spi-omap2-mcspi.c | 7 +------
drivers/spi/spi-s3c64xx.c | 7 +------
drivers/spi/spi-sirf.c | 7 +------
drivers/spi/spi-tegra114.c | 7 +------
drivers/spi/spi-tegra20-sflash.c | 5 -----
drivers/spi/spi-tegra20-slink.c | 7 +------
drivers/staging/dwc2/platform.c | 5 -----
drivers/staging/nvec/nvec.c | 5 -----
drivers/thermal/dove_thermal.c | 11 +----------
drivers/thermal/exynos_thermal.c | 5 -----
drivers/thermal/kirkwood_thermal.c | 7 +------
drivers/thermal/rcar_thermal.c | 6 +-----
drivers/tty/serial/serial-tegra.c | 6 +-----
drivers/usb/chipidea/core.c | 5 -----
drivers/usb/gadget/bcm63xx_udc.c | 10 ----------
drivers/usb/host/ehci-atmel.c | 9 +--------
drivers/usb/host/ehci-mxc.c | 8 +-------
drivers/usb/host/ehci-platform.c | 6 +-----
drivers/usb/host/ehci-sh.c | 10 +---------
drivers/usb/host/ohci-nxp.c | 6 ------
drivers/usb/host/ohci-platform.c | 7 +------
drivers/usb/phy/phy-mv-u3d-usb.c | 5 -----
drivers/usb/phy/phy-mxs-usb.c | 5 -----
drivers/usb/phy/phy-samsung-usb2.c | 5 -----
drivers/usb/phy/phy-samsung-usb3.c | 5 -----
drivers/video/mxsfb.c | 7 +------
drivers/video/omap2/dss/hdmi.c | 7 +------
drivers/video/omap2/vrfb.c | 5 -----
drivers/w1/masters/omap_hdq.c | 5 -----
drivers/watchdog/imx2_wdt.c | 5 -----
sound/soc/fsl/imx-ssi.c | 6 ------
sound/soc/kirkwood/kirkwood-i2s.c | 5 -----
90 files changed, 43 insertions(+), 525 deletions(-)
--
1.7.10.4
WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: linux-kernel@vger.kernel.org
Cc: Wan ZongShun <mcuos.com@gmail.com>,
linux-mips@linux-mips.org, alsa-devel@alsa-project.org,
linux-usb@vger.kernel.org,
Kevin Hilman <khilman@deeprootsystems.com>,
Wolfram Sang <wsa@the-dreams.de>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Viresh Kumar <viresh.kumar@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
Matt Mackall <mpm@selenic.com>, Sekhar Nori <nsekhar@ti.com>,
linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
Jaroslav Kysela <perex@perex.cz>,
linux-ide@vger.kernel.org, Wim Van Sebroeck <wim@iguana.be>,
netdev@vger.kernel.org, linux-mtd@lists.infradead.org,
linux-i2c@vger.kernel.org, Evgeniy Polyakov <zbr@ioremap.net>,
Jiri Slaby <jslaby@suse.cz>,
ac100@lists.launchpad.net, devel@driverdev.osuosl.org,
Kukjin Kim <kgene.kim@samsung.com>,
Russell King <linux@arm.linux.org.uk>,
Herbert Xu <herbert@gondor.apana.org.au>,
Florian Tobias Schandinat <FlorianSchandinat@gmx.de>,
Marc Dietrich <marvin24@gmx.de>,
Stephen Warren <swarren@wwwdotorg.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
cpufreq@vger.kernel.org, David Airlie <airlied@linux.ie>,
Tony Lindgren <tony@atomide.com>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
Alan Stern <stern@rowland.harvard.edu>,
linux-serial@vger.kernel.org, linux-input@vger.kernel.org,
Grant Likely <grant.likely@linaro.org>,
Zhang Rui <rui.zhang@intel.com>,
Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
Ohad Ben-Cohen <ohad@wizery.com>,
spi-devel-general@lists.sourceforge.net,
Deepak Saxena <dsaxena@plexity.net>,
linux-watchdog@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
linux-pm@vger.kernel.org, Julian Andres Klode <jak@jak-linux.org>,
spear-devel@list.st.com, Inki Dae <inki.dae@samsung.com>,
linux-samsung-soc@vger.kernel.org,
Ben Dooks <ben-linux@fluff.org>, Barry Song <baohua.song@csr.com>,
linux-tegra@vger.kernel.org, rtc-linux@googlegroups.com,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Joonyoung Shim <jy0922.shim@samsung.com>,
Alessandro Zummo <a.zummo@towertech.it>,
davinci-linux-open-source@linux.davincidsp.com,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Ralf Baechle <ralf@linux-mips.org>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Seung-Woo Kim <sw0312.kim@samsung.com>,
Liam Girdwood <lgirdwood@gmail.com>, Felipe Balbi <balbi@ti.com>,
Tony Prisk <linux@prisktech.co.nz>,
Vinod Koul <vinod.koul@intel.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Mark Brown <broonie@kernel.org>,
Viresh Kumar <viresh.linux@gmail.com>,
Takashi Iwai <tiwai@suse.de>, Dan Williams <djbw@fb.com>,
Tejun Heo <tj@kernel.org>, Samuel Ortiz <sameo@linux.intel.com>,
David Woodhouse <dwmw2@infradead.org>,
Paul Zimmerman <paulz@synopsys.com>,
Thierry Reding <thierry.reding@avionic-design.de>
Subject: [RFC 00/42] devm improvement series, part #1
Date: Fri, 10 May 2013 10:16:45 +0200 [thread overview]
Message-ID: <1368173847-5661-1-git-send-email-wsa@the-dreams.de> (raw)
Lately, I have been experimenting how to improve the devm interface to make
writing device drivers easier and less error prone while also getting rid of
its subtle issues. I think it has more potential but still needs work and
definately conistency, especiall in its usage.
The first thing I come up with is a low hanging fruit regarding
devm_ioremap_resouce(). This function already checks if the passed resource is
valid and gives an error message if not. So, we can remove similar checks from
the drivers and get rid of a bit of code and a number of inconsistent error
strings.
If generally accepted, I'd suggest I rerun my scripts again when rc1 is out and
ask Linus to pull this branch [1] directly? This series is merely to show what
I am up to.
Thanks,
Wolfram
[1] git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git devm_no_resource_check
Wolfram Sang (42):
drivers/ata: don't check resource with devm_ioremap_resource
drivers/char/hw_random: don't check resource with
devm_ioremap_resource
drivers/cpufreq: don't check resource with devm_ioremap_resource
drivers/dma: don't check resource with devm_ioremap_resource
drivers/gpio: don't check resource with devm_ioremap_resource
drivers/gpu/drm/exynos: don't check resource with
devm_ioremap_resource
drivers/gpu/host1x: don't check resource with devm_ioremap_resource
drivers/gpu/host1x/drm: don't check resource with
devm_ioremap_resource
drivers/i2c/busses: don't check resource with devm_ioremap_resource
drivers/input/keyboard: don't check resource with
devm_ioremap_resource
drivers/input/serio: don't check resource with devm_ioremap_resource
drivers/memory: don't check resource with devm_ioremap_resource
drivers/mfd: don't check resource with devm_ioremap_resource
drivers/misc: don't check resource with devm_ioremap_resource
drivers/mtd/maps: don't check resource with devm_ioremap_resource
drivers/mtd/nand: don't check resource with devm_ioremap_resource
drivers/net/ethernet/renesas: don't check resource with
devm_ioremap_resource
drivers/pinctrl: don't check resource with devm_ioremap_resource
drivers/pinctrl/spear: don't check resource with
devm_ioremap_resource
drivers/pwm: don't check resource with devm_ioremap_resource
drivers/remoteproc: don't check resource with devm_ioremap_resource
drivers/rtc: don't check resource with devm_ioremap_resource
drivers/spi: don't check resource with devm_ioremap_resource
drivers/staging/dwc2: don't check resource with devm_ioremap_resource
drivers/staging/nvec: don't check resource with devm_ioremap_resource
drivers/thermal: don't check resource with devm_ioremap_resource
drivers/tty/serial: don't check resource with devm_ioremap_resource
drivers/usb/chipidea: don't check resource with devm_ioremap_resource
drivers/usb/gadget: don't check resource with devm_ioremap_resource
drivers/usb/host: don't check resource with devm_ioremap_resource
drivers/usb/phy: don't check resource with devm_ioremap_resource
drivers/video: don't check resource with devm_ioremap_resource
drivers/video/omap2: don't check resource with devm_ioremap_resource
drivers/video/omap2/dss: don't check resource with
devm_ioremap_resource
drivers/w1/masters: don't check resource with devm_ioremap_resource
drivers/watchdog: don't check resource with devm_ioremap_resource
arch/arm/mach-tegra: don't check resource with devm_ioremap_resource
arch/arm/plat-omap: don't check resource with devm_ioremap_resource
arch/arm/plat-samsung: don't check resource with
devm_ioremap_resource
arch/mips/lantiq/xway: don't check resource with
devm_ioremap_resource
sound/soc/fsl: don't check resource with devm_ioremap_resource
sound/soc/kirkwood: don't check resource with devm_ioremap_resource
arch/arm/mach-tegra/tegra2_emc.c | 5 -----
arch/arm/plat-omap/dmtimer.c | 7 +------
arch/arm/plat-samsung/adc.c | 5 -----
arch/mips/lantiq/xway/gptu.c | 7 +------
drivers/ata/pata_ep93xx.c | 5 -----
drivers/char/hw_random/mxc-rnga.c | 6 ------
drivers/char/hw_random/omap-rng.c | 5 -----
drivers/cpufreq/kirkwood-cpufreq.c | 4 ----
drivers/dma/tegra20-apb-dma.c | 5 -----
drivers/gpio/gpio-mvebu.c | 12 +-----------
drivers/gpio/gpio-spear-spics.c | 7 +------
drivers/gpio/gpio-tegra.c | 5 -----
drivers/gpu/drm/exynos/exynos_hdmi.c | 5 -----
drivers/gpu/host1x/dev.c | 7 +------
drivers/gpu/host1x/drm/dc.c | 5 -----
drivers/i2c/busses/i2c-davinci.c | 6 +-----
drivers/i2c/busses/i2c-designware-platdrv.c | 6 +-----
drivers/i2c/busses/i2c-imx.c | 6 +-----
drivers/i2c/busses/i2c-omap.c | 6 +-----
drivers/i2c/busses/i2c-rcar.c | 7 +------
drivers/i2c/busses/i2c-s3c2410.c | 5 -----
drivers/i2c/busses/i2c-sirf.c | 6 ------
drivers/i2c/busses/i2c-tegra.c | 5 -----
drivers/input/keyboard/imx_keypad.c | 7 +------
drivers/input/keyboard/spear-keyboard.c | 7 +------
drivers/input/keyboard/tegra-kbc.c | 7 +------
drivers/input/serio/arc_ps2.c | 7 +------
drivers/memory/emif.c | 6 ------
drivers/mfd/intel_msic.c | 6 +-----
drivers/misc/atmel-ssc.c | 5 -----
drivers/mtd/maps/autcpu12-nvram.c | 7 +------
drivers/mtd/maps/lantiq-flash.c | 8 +-------
drivers/mtd/nand/lpc32xx_mlc.c | 5 -----
drivers/mtd/nand/lpc32xx_slc.c | 7 +------
drivers/net/ethernet/renesas/sh_eth.c | 14 +-------------
drivers/pinctrl/pinctrl-at91.c | 7 +------
drivers/pinctrl/pinctrl-coh901.c | 5 -----
drivers/pinctrl/pinctrl-exynos5440.c | 5 -----
drivers/pinctrl/pinctrl-samsung.c | 5 -----
drivers/pinctrl/pinctrl-xway.c | 4 ----
drivers/pinctrl/spear/pinctrl-plgpio.c | 7 +------
drivers/pwm/pwm-imx.c | 5 -----
drivers/pwm/pwm-puv3.c | 5 -----
drivers/pwm/pwm-pxa.c | 5 -----
drivers/pwm/pwm-spear.c | 7 +------
drivers/pwm/pwm-tegra.c | 5 -----
drivers/pwm/pwm-tiecap.c | 5 -----
drivers/pwm/pwm-tiehrpwm.c | 5 -----
drivers/pwm/pwm-tipwmss.c | 5 -----
drivers/pwm/pwm-vt8500.c | 5 -----
drivers/remoteproc/da8xx_remoteproc.c | 14 +-------------
drivers/rtc/rtc-nuc900.c | 6 +-----
drivers/rtc/rtc-omap.c | 5 -----
drivers/rtc/rtc-s3c.c | 5 -----
drivers/rtc/rtc-spear.c | 7 +------
drivers/rtc/rtc-tegra.c | 6 ------
drivers/spi/spi-bcm63xx.c | 8 +-------
drivers/spi/spi-ep93xx.c | 8 +-------
drivers/spi/spi-omap2-mcspi.c | 7 +------
drivers/spi/spi-s3c64xx.c | 7 +------
drivers/spi/spi-sirf.c | 7 +------
drivers/spi/spi-tegra114.c | 7 +------
drivers/spi/spi-tegra20-sflash.c | 5 -----
drivers/spi/spi-tegra20-slink.c | 7 +------
drivers/staging/dwc2/platform.c | 5 -----
drivers/staging/nvec/nvec.c | 5 -----
drivers/thermal/dove_thermal.c | 11 +----------
drivers/thermal/exynos_thermal.c | 5 -----
drivers/thermal/kirkwood_thermal.c | 7 +------
drivers/thermal/rcar_thermal.c | 6 +-----
drivers/tty/serial/serial-tegra.c | 6 +-----
drivers/usb/chipidea/core.c | 5 -----
drivers/usb/gadget/bcm63xx_udc.c | 10 ----------
drivers/usb/host/ehci-atmel.c | 9 +--------
drivers/usb/host/ehci-mxc.c | 8 +-------
drivers/usb/host/ehci-platform.c | 6 +-----
drivers/usb/host/ehci-sh.c | 10 +---------
drivers/usb/host/ohci-nxp.c | 6 ------
drivers/usb/host/ohci-platform.c | 7 +------
drivers/usb/phy/phy-mv-u3d-usb.c | 5 -----
drivers/usb/phy/phy-mxs-usb.c | 5 -----
drivers/usb/phy/phy-samsung-usb2.c | 5 -----
drivers/usb/phy/phy-samsung-usb3.c | 5 -----
drivers/video/mxsfb.c | 7 +------
drivers/video/omap2/dss/hdmi.c | 7 +------
drivers/video/omap2/vrfb.c | 5 -----
drivers/w1/masters/omap_hdq.c | 5 -----
drivers/watchdog/imx2_wdt.c | 5 -----
sound/soc/fsl/imx-ssi.c | 6 ------
sound/soc/kirkwood/kirkwood-i2s.c | 5 -----
90 files changed, 43 insertions(+), 525 deletions(-)
--
1.7.10.4
next reply other threads:[~2013-05-10 8:16 UTC|newest]
Thread overview: 136+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-10 8:16 Wolfram Sang [this message]
2013-05-10 8:16 ` [RFC 00/42] devm improvement series, part #1 Wolfram Sang
2013-05-10 8:16 ` Wolfram Sang
2013-05-10 8:16 ` [RFC 01/42] drivers/ata: don't check resource with devm_ioremap_resource Wolfram Sang
2013-05-10 8:16 ` [RFC 02/42] drivers/char/hw_random: " Wolfram Sang
2013-05-10 8:16 ` [RFC 03/42] drivers/cpufreq: " Wolfram Sang
2013-05-10 11:09 ` Rafael J. Wysocki
2013-05-10 8:16 ` [RFC 04/42] drivers/dma: " Wolfram Sang
[not found] ` <1368173847-5661-5-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-05-10 16:35 ` Stephen Warren
2013-05-10 16:35 ` Stephen Warren
[not found] ` <518D21D4.6000609-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-05-10 17:57 ` Wolfram Sang
2013-05-10 17:57 ` Wolfram Sang
2013-05-10 19:25 ` Stephen Warren
2013-05-10 19:25 ` Stephen Warren
[not found] ` <518D49B0.4050901-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-05-12 16:04 ` Vinod Koul
2013-05-12 16:04 ` Vinod Koul
[not found] ` <20130512160440.GA27639-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-05-12 18:28 ` Wolfram Sang
2013-05-12 18:28 ` Wolfram Sang
2013-05-13 2:10 ` Vinod Koul
2013-05-13 2:10 ` Vinod Koul
[not found] ` <20130513021000.GB27639-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-05-13 6:08 ` Wolfram Sang
2013-05-13 6:08 ` Wolfram Sang
[not found] ` <1368173847-5661-1-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-05-10 8:16 ` [RFC 05/42] drivers/gpio: " Wolfram Sang
2013-05-10 8:16 ` Wolfram Sang
[not found] ` <1368173847-5661-6-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-05-12 15:11 ` Viresh Kumar
2013-05-12 15:11 ` Viresh Kumar
2013-05-10 8:16 ` [RFC 06/42] drivers/gpu/drm/exynos: " Wolfram Sang
2013-05-10 8:16 ` [RFC 07/42] drivers/gpu/host1x: " Wolfram Sang
2013-05-10 8:16 ` [RFC 08/42] drivers/gpu/host1x/drm: " Wolfram Sang
2013-05-10 8:16 ` [RFC 09/42] drivers/i2c/busses: " Wolfram Sang
2013-05-11 5:18 ` Jingoo Han
2013-05-11 5:18 ` Jingoo Han
2013-06-04 18:34 ` Kevin Hilman
2013-06-04 18:34 ` Kevin Hilman
2013-05-10 8:16 ` [RFC 10/42] drivers/input/keyboard: " Wolfram Sang
2013-05-12 15:12 ` Viresh Kumar
2013-05-10 8:16 ` [RFC 11/42] drivers/input/serio: " Wolfram Sang
2013-05-10 8:16 ` [RFC 12/42] drivers/memory: " Wolfram Sang
2013-05-10 8:16 ` [RFC 13/42] drivers/mfd: " Wolfram Sang
2013-05-16 22:15 ` Samuel Ortiz
2013-05-10 8:16 ` [RFC 14/42] drivers/misc: " Wolfram Sang
2013-05-10 15:24 ` Greg Kroah-Hartman
2013-05-10 8:17 ` [RFC 15/42] drivers/mtd/maps: " Wolfram Sang
2013-05-10 8:17 ` [RFC 16/42] drivers/mtd/nand: " Wolfram Sang
2013-05-10 8:17 ` [RFC 17/42] drivers/net/ethernet/renesas: " Wolfram Sang
2013-05-10 11:07 ` Sergei Shtylyov
2013-05-11 20:31 ` Sergei Shtylyov
2013-05-11 20:35 ` Sergei Shtylyov
2013-05-12 9:42 ` Wolfram Sang
2013-05-12 15:26 ` Sergei Shtylyov
2013-05-12 16:32 ` Wolfram Sang
2013-05-12 18:33 ` Sergei Shtylyov
2013-05-10 8:17 ` [RFC 18/42] drivers/pinctrl: " Wolfram Sang
2013-05-10 14:30 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-10 14:30 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-14 12:19 ` Linus Walleij
2013-05-14 12:19 ` Linus Walleij
2013-06-06 8:43 ` Jean-Christophe PLAGNIOL-VILLARD
2013-06-06 8:43 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-10 8:17 ` [RFC 19/42] drivers/pinctrl/spear: " Wolfram Sang
2013-05-12 15:10 ` Viresh Kumar
2013-05-12 15:10 ` Viresh Kumar
2013-05-14 12:56 ` Linus Walleij
2013-05-14 12:56 ` Linus Walleij
2013-05-10 8:17 ` [RFC 20/42] drivers/pwm: " Wolfram Sang
[not found] ` <1368173847-5661-21-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-05-12 15:12 ` Viresh Kumar
2013-05-12 15:12 ` Viresh Kumar
2013-05-12 15:12 ` Viresh Kumar
2013-05-10 8:17 ` [RFC 21/42] drivers/remoteproc: " Wolfram Sang
2013-05-10 8:17 ` [RFC 22/42] drivers/rtc: " Wolfram Sang
[not found] ` <1368173847-5661-23-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-05-12 15:11 ` Viresh Kumar
2013-05-12 15:11 ` Viresh Kumar
2013-05-12 15:11 ` Viresh Kumar
2013-05-10 8:17 ` [RFC 23/42] drivers/spi: " Wolfram Sang
[not found] ` <1368173847-5661-24-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-05-10 10:55 ` Mark Brown
2013-05-10 10:55 ` Mark Brown
2013-05-10 10:55 ` Mark Brown
2013-05-10 16:37 ` Stephen Warren
2013-05-10 16:37 ` Stephen Warren
2013-05-11 5:24 ` Jingoo Han
2013-05-11 5:24 ` Jingoo Han
2013-05-10 8:17 ` [RFC 24/42] drivers/staging/dwc2: " Wolfram Sang
2013-05-10 15:24 ` Greg Kroah-Hartman
2013-05-10 8:17 ` [RFC 25/42] drivers/staging/nvec: " Wolfram Sang
2013-05-10 8:17 ` Wolfram Sang
2013-05-10 15:24 ` Greg Kroah-Hartman
[not found] ` <1368173847-5661-26-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-05-10 16:07 ` Marc Dietrich
2013-05-10 16:07 ` Marc Dietrich
2013-05-10 8:17 ` [RFC 26/42] drivers/thermal: " Wolfram Sang
2013-05-10 13:50 ` Eduardo Valentin
2013-05-10 13:50 ` Eduardo Valentin
2013-05-16 7:22 ` Zhang Rui
2013-05-10 8:17 ` [RFC 27/42] drivers/tty/serial: " Wolfram Sang
2013-05-10 15:26 ` Greg Kroah-Hartman
2013-05-10 17:58 ` Wolfram Sang
2013-05-10 8:17 ` [RFC 28/42] drivers/usb/chipidea: " Wolfram Sang
2013-05-10 15:25 ` Greg Kroah-Hartman
2013-05-10 8:17 ` [RFC 29/42] drivers/usb/gadget: " Wolfram Sang
2013-05-10 15:25 ` Greg Kroah-Hartman
2013-05-10 8:17 ` [RFC 30/42] drivers/usb/host: " Wolfram Sang
2013-05-10 14:03 ` Alan Stern
2013-05-10 18:00 ` Wolfram Sang
2013-05-10 15:25 ` Greg Kroah-Hartman
2013-05-10 8:17 ` [RFC 31/42] drivers/usb/phy: " Wolfram Sang
2013-05-10 15:24 ` Greg Kroah-Hartman
2013-05-10 8:17 ` [RFC 32/42] drivers/video: " Wolfram Sang
2013-05-10 8:17 ` Wolfram Sang
2013-05-11 5:33 ` Jingoo Han
2013-05-11 5:33 ` Jingoo Han
2013-05-13 5:39 ` Shawn Guo
2013-05-13 5:39 ` Shawn Guo
2013-05-10 8:17 ` [RFC 33/42] drivers/video/omap2: " Wolfram Sang
2013-05-10 8:17 ` Wolfram Sang
2013-05-11 5:37 ` Jingoo Han
2013-05-11 5:37 ` Jingoo Han
2013-05-10 8:17 ` [RFC 34/42] drivers/video/omap2/dss: " Wolfram Sang
2013-05-10 8:17 ` Wolfram Sang
2013-05-11 5:36 ` Jingoo Han
2013-05-11 5:36 ` Jingoo Han
2013-05-10 8:17 ` [RFC 35/42] drivers/w1/masters: " Wolfram Sang
2013-05-10 8:17 ` [RFC 36/42] drivers/watchdog: " Wolfram Sang
2013-05-12 17:23 ` Wim Van Sebroeck
2013-05-10 8:17 ` [RFC 37/42] arch/arm/mach-tegra: " Wolfram Sang
2013-05-10 8:17 ` [RFC 38/42] arch/arm/plat-omap: " Wolfram Sang
2013-05-10 16:46 ` Tony Lindgren
2013-05-10 16:46 ` Tony Lindgren
2013-05-10 8:17 ` [RFC 39/42] arch/arm/plat-samsung: " Wolfram Sang
2013-05-11 5:15 ` Jingoo Han
2013-05-11 5:15 ` Jingoo Han
2013-05-10 8:17 ` [RFC 40/42] arch/mips/lantiq/xway: " Wolfram Sang
2013-05-10 8:57 ` John Crispin
2013-05-10 8:17 ` [RFC 41/42] sound/soc/fsl: " Wolfram Sang
2013-05-10 10:56 ` Mark Brown
2013-05-10 10:56 ` Mark Brown
2013-05-10 8:17 ` [RFC 42/42] sound/soc/kirkwood: " Wolfram Sang
2013-05-10 10:56 ` Mark Brown
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