[PATCH 0/3] driver core: add probe error check helper

From: Andrzej Hajda
Date: Tue Oct 16 2018 - 03:23:10 EST

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Hi Greg, Rafael,

This patchset proposes probe helper function which should simplify little bit
resource acquisition error handling, it also extend it with adding defer probe
reason to devices_deferred property:

# cat /sys/kernel/debug/devices_deferred
exynos-hdmi 13970000.hdmi: cannot find out bridge
arizona-extcon
tm2-audio sound: Unable to get codec_dai_name

The last patch was generated by cocci script to show the gain for the most
obvious probe_err usage scenarios. Of course there are many more places where it
could be used.
If the 1st patch will be accepted I can split 3rd one per subsystems if neccessary.

Regards
Andrzej

Andrzej Hajda (3):
driver core: add probe_err log helper
driver core: add deferring probe reason to devices_deferred property
drivers: use probe_err function in obvious cases

drivers/ata/libahci_platform.c | 7 +-
drivers/base/base.h | 3 +
drivers/base/core.c | 40 +++++++++++
drivers/base/dd.c | 34 +++++++++-
drivers/base/power/domain.c | 10 ++-
drivers/bus/fsl-mc/fsl-mc-bus.c | 8 +--
drivers/bus/ts-nbus.c | 8 +--
drivers/clk/qcom/clk-spmi-pmic-div.c | 9 +--
drivers/clk/sunxi-ng/ccu-sun8i-de2.c | 16 ++---
drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c | 11 ++--
drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c | 5 +-
drivers/cpufreq/qcom-cpufreq-kryo.c | 10 ++-
drivers/crypto/caam/caamalg_qi2.c | 3 +-
drivers/firmware/arm_scmi/driver.c | 9 +--
drivers/firmware/imx/imx-scu.c | 7 +-
drivers/gpio/gpio-pca953x.c | 4 +-
drivers/gpio/gpio-pisosr.c | 9 +--
.../gpu/drm/omapdrm/displays/encoder-opa362.c | 8 +--
.../gpu/drm/omapdrm/displays/encoder-tfp410.c | 8 +--
.../drm/omapdrm/displays/encoder-tpd12s015.c | 8 +--
drivers/gpu/drm/omapdrm/dss/dpi.c | 8 +--
drivers/gpu/drm/omapdrm/dss/dsi.c | 8 +--
drivers/gpu/drm/omapdrm/dss/hdmi4.c | 8 +--
drivers/gpu/drm/omapdrm/dss/hdmi5.c | 8 +--
drivers/gpu/drm/omapdrm/dss/sdi.c | 8 +--
drivers/gpu/drm/omapdrm/dss/venc.c | 8 +--
drivers/gpu/drm/panel/panel-lvds.c | 10 ++-
drivers/gpu/drm/panel/panel-simple.c | 5 +-
drivers/gpu/drm/rcar-du/rcar_du_drv.c | 5 +-
drivers/gpu/drm/vc4/vc4_dsi.c | 23 +++----
drivers/hid/i2c-hid/i2c-hid-core.c | 9 +--
drivers/hwmon/pwm-fan.c | 7 +-
drivers/i2c/busses/i2c-bcm2835.c | 8 +--
drivers/i2c/busses/i2c-rk3x.c | 10 ++-
drivers/i2c/muxes/i2c-arb-gpio-challenge.c | 30 +++------
drivers/i2c/muxes/i2c-mux-gpmux.c | 16 ++---
drivers/iio/adc/envelope-detector.c | 23 +++----
drivers/iio/adc/rcar-gyroadc.c | 5 +-
drivers/iio/afe/iio-rescale.c | 8 +--
drivers/iio/dac/dpot-dac.c | 16 ++---
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 11 ++--
drivers/iio/multiplexer/iio-mux.c | 16 ++---
drivers/input/keyboard/bcm-keypad.c | 8 +--
drivers/input/misc/pwm-beeper.c | 12 ++--
drivers/input/misc/pwm-vibra.c | 18 ++---
drivers/input/mouse/elan_i2c_core.c | 6 +-
drivers/input/touchscreen/bu21029_ts.c | 14 ++--
drivers/input/touchscreen/chipone_icn8318.c | 5 +-
drivers/input/touchscreen/ektf2127.c | 5 +-
drivers/input/touchscreen/elants_i2c.c | 16 ++---
drivers/input/touchscreen/pixcir_i2c_ts.c | 10 ++-
drivers/input/touchscreen/raydium_i2c_ts.c | 20 +++---
.../input/touchscreen/resistive-adc-touch.c | 9 +--
drivers/input/touchscreen/silead.c | 15 ++---
drivers/input/touchscreen/sis_i2c.c | 12 ++--
drivers/input/touchscreen/surface3_spi.c | 9 +--
drivers/leds/leds-pwm.c | 7 +-
drivers/media/i2c/ad5820.c | 9 +--
drivers/media/i2c/tc358743.c | 10 ++-
drivers/media/platform/omap3isp/isp.c | 3 +-
drivers/media/platform/video-mux.c | 4 +-
drivers/media/rc/gpio-ir-recv.c | 5 +-
drivers/media/rc/gpio-ir-tx.c | 10 ++-
drivers/mfd/madera-core.c | 6 +-
drivers/mmc/host/bcm2835.c | 3 +-
drivers/mmc/host/davinci_mmc.c | 5 +-
drivers/mmc/host/dw_mmc-zx.c | 6 +-
drivers/mmc/host/jz4740_mmc.c | 5 +-
drivers/mmc/host/meson-gx-mmc.c | 17 ++---
drivers/mmc/host/sdhci-of-arasan.c | 8 +--
drivers/mtd/nand/onenand/omap2.c | 5 +-
drivers/mtd/nand/raw/atmel/nand-controller.c | 20 +++---
drivers/mux/gpio.c | 9 +--
drivers/net/dsa/lantiq_gswip.c | 8 +--
drivers/net/ethernet/renesas/sh_eth.c | 3 +-
.../stmicro/stmmac/dwmac-dwc-qos-eth.c | 10 +--
.../ethernet/stmicro/stmmac/dwmac-meson8b.c | 9 +--
.../ethernet/stmicro/stmmac/stmmac_platform.c | 10 +--
drivers/net/ethernet/ti/cpsw.c | 9 ++-
drivers/net/ieee802154/mcr20a.c | 5 +-
drivers/net/phy/mdio-mux-mmioreg.c | 9 +--
drivers/opp/core.c | 12 ++--
drivers/pci/controller/pcie-rockchip.c | 66 +++++++------------
drivers/phy/amlogic/phy-meson-gxl-usb2.c | 9 +--
drivers/phy/amlogic/phy-meson-gxl-usb3.c | 9 +--
drivers/phy/lantiq/phy-lantiq-rcu-usb2.c | 8 +--
drivers/phy/qualcomm/phy-qcom-qmp.c | 21 +++---
drivers/phy/qualcomm/phy-qcom-qusb2.c | 19 ++----
drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 8 +--
drivers/phy/rockchip/phy-rockchip-pcie.c | 9 +--
drivers/phy/st/phy-stm32-usbphyc.c | 10 ++-
drivers/platform/x86/intel_cht_int33fe.c | 8 +--
drivers/power/supply/lego_ev3_battery.c | 24 +++----
drivers/pwm/pwm-rockchip.c | 11 ++--
drivers/regulator/gpio-regulator.c | 7 +-
drivers/remoteproc/da8xx_remoteproc.c | 11 ++--
drivers/remoteproc/qcom_q6v5.c | 55 ++++++----------
drivers/remoteproc/qcom_q6v5_adsp.c | 9 +--
drivers/remoteproc/qcom_q6v5_mss.c | 11 ++--
drivers/remoteproc/qcom_q6v5_pas.c | 19 ++----
drivers/remoteproc/qcom_wcnss_iris.c | 8 +--
drivers/reset/reset-meson-audio-arb.c | 8 +--
drivers/rtc/rtc-rk808.c | 10 ++-
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 7 +-
drivers/soc/amlogic/meson-gx-pwrc-vpu.c | 8 +--
drivers/soc/imx/gpcv2.c | 9 ++-
drivers/soc/lantiq/gphy.c | 8 +--
drivers/soc/qcom/rpmh-rsc.c | 9 +--
drivers/soc/qcom/smem.c | 8 +--
drivers/soc/qcom/smp2p.c | 9 +--
drivers/spi/spi-tegra114.c | 6 +-
drivers/spi/spi-tegra20-slink.c | 6 +-
.../clocking-wizard/clk-xlnx-clock-wizard.c | 16 ++---
drivers/thermal/broadcom/bcm2835_thermal.c | 5 +-
drivers/thermal/hisi_thermal.c | 5 +-
drivers/tty/serial/8250/8250_dw.c | 7 +-
drivers/tty/serial/8250/8250_ingenic.c | 12 ++--
drivers/tty/serial/amba-pl011.c | 7 +-
drivers/usb/chipidea/ci_hdrc_imx.c | 5 +-
drivers/usb/chipidea/ci_hdrc_msm.c | 3 +-
drivers/usb/chipidea/ci_hdrc_usb2.c | 7 +-
drivers/usb/dwc3/core.c | 24 +++----
drivers/usb/host/ehci-mv.c | 3 +-
drivers/usb/host/ehci-omap.c | 5 +-
drivers/usb/host/ohci-da8xx.c | 6 +-
drivers/usb/musb/da8xx.c | 8 +--
drivers/usb/musb/musb_cppi41.c | 5 +-
drivers/usb/typec/tcpm/fusb302.c | 3 +-
drivers/video/backlight/gpio_backlight.c | 12 +---
drivers/video/backlight/pwm_bl.c | 3 +-
drivers/watchdog/davinci_wdt.c | 8 +--
include/linux/device.h | 2 +
sound/soc/atmel/tse850-pcm5142.c | 32 ++++-----
sound/soc/codecs/es7241.c | 13 ++--
sound/soc/codecs/max9759.c | 15 ++---
sound/soc/codecs/max9860.c | 8 +--
sound/soc/codecs/pcm3168a.c | 8 +--
sound/soc/codecs/sgtl5000.c | 5 +-
sound/soc/codecs/simple-amplifier.c | 5 +-
sound/soc/codecs/ssm2305.c | 6 +-
sound/soc/davinci/davinci-mcasp.c | 11 ++--
sound/soc/generic/audio-graph-card.c | 3 +-
sound/soc/generic/audio-graph-scu-card.c | 3 +-
sound/soc/generic/simple-card.c | 3 +-
sound/soc/generic/simple-scu-card.c | 3 +-
sound/soc/img/img-i2s-in.c | 8 +--
sound/soc/img/img-i2s-out.c | 24 +++----
sound/soc/img/img-parallel-out.c | 24 +++----
sound/soc/img/img-spdif-in.c | 8 +--
sound/soc/img/img-spdif-out.c | 24 +++----
sound/soc/img/pistachio-internal-dac.c | 6 +-
sound/soc/meson/axg-card.c | 7 +-
sound/soc/meson/axg-fifo.c | 20 +++---
sound/soc/meson/axg-pdm.c | 12 +---
sound/soc/meson/axg-spdifout.c | 8 +--
sound/soc/meson/axg-tdm-formatter.c | 22 ++-----
sound/soc/meson/axg-tdm-interface.c | 8 +--
sound/soc/mxs/mxs-sgtl5000.c | 9 +--
sound/soc/sunxi/sun4i-codec.c | 5 +-
159 files changed, 658 insertions(+), 1031 deletions(-)

--
2.18.0

Next message: Peter Zijlstra: "Re: [RFC][PATCHv2 0/4] less deadlock prone serial consoles"
Previous message: Andrzej Hajda: "[PATCH 2/3] driver core: add deferring probe reason to devices_deferred property"
Next in thread: Andrzej Hajda: "[PATCH 1/3] driver core: add probe_err log helper"
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