[PATCH v2 00/46] dm: Print device name in dev_xxx like Linux

[Tom Rini <trini@konsulko.com>]

On Tue, Sep 15, 2020 at 10:44:36AM -0400, Sean Anderson wrote:

> This series adds some additional information to dev_xxx output. This requires
> the first argument to dev_xxx to be a struct udevice. The first argument has
> never been used in U-Boot, so many drivers have some invalid calls. To fix these
> drivers, the following strategies were generally followed
> 
> * If there is a udevice already passed to the function, use it.
> * If there is a udevice contained in a struct passed to the function, use it.
>   When there are multiple possible devices, I have tried to use whatever "makes
>   sense" given the content of the message.
> * If there is no udevice passed to the function either directly or indirectly,
>   but all the callers of said function can access a udevice, modify the function
>   signature to pass in a udevice and use that.
> * If the driver does not use DM, convert the log statements to log_xxx.
> * If the driver uses DM only some of the time, use ifdefs to select an
>   appropriate log function.
> 
> I have done a little bit of cleanup beyond these strategies, but for the most
> part I have tried to *only* to the minimum necessary. Many drivers could use a
> follow-up patch to convert their printf()s and debug()s to an appropriate log
> function.
> 
> I have tried to CC relevant maintainers/reviewers only for patches they
> maintain/review. If I have left someone out, please let me know and I will add
> them.
> 
> CI is passing at [1]. This does not necessarily mean that this series is free of
> bugs, so I would appreciate testing on hardware. During my refactoring, I
> noticed a few bugs like
> 
> 	struct udevice *dev;
> 
> 	if (some_condition)
> 		dev_err(dev, "Something went wrong\n");
> 
> 	dev = some_function();
> 
> I have fixed such errors when I have encountered them, but they will not always
> warn or error on build.
> 
> Removal of the duplicate definitions in <linux/compat.h> will be done in a
> follow-up patch due to the already-large size of this series.
> 
> To test this series on sandbox, apply the following options in addition to
> sandbox_defconfig
> 
> CONFIG_LOGLEVEL=8
> CONFIG_LOG=n
> CONFIG_CMD_LOG=n
> CONFIG_CMD_TPM=n
> 
> Note that there is a soft dependency on [2] if you would like to test this patch
> with CONFIG_LOG and a higher LOG_LEVEL than LOGL_INFO.
> 
> [1] https://dev.azure.com/seanga2/u-boot/_build/results?buildId=34&view=results
> [2] https://patchwork.ozlabs.org/project/uboot/list/?series=201343
> 
> Changes in v2:
> - Support logging with struct device as well as struct udevice. A lot of
>   drivers, especially USB gadgets, log with devices and not udevices. There
>   is no major reason why they can't use udevice, but big changes like that
>   are outside the scope of this series.
> - Add some comments to __dev_printk and dev_printk_emit
> - Handle struct device as well as struct udevice
> - Match format strings for the NULL path to the regular path. This reduces the
>   amount of duplicated strings.
> - Print the device name before the driver name
> - Many new patches added to fix build bugs
> 
> Sean Anderson (46):
>   dm: syscon: Fix calling dev_dbg with an uninitialized device
>   firmware: ti_sci: Fix not calling dev_err with a device
>   i2c: mxc: Fix dev_err being called on a nonexistant variable
>   mtd: nand: pxa3xx: Fix not calling dev_xxx with a device
>   mtd: nand: sunxi: Fix not calling dev_err with a device
>   mtd: spi: Include dm.h in spi-nor-core.c
>   mtd: spi: Fix logging in spi-nor-tiny
>   mtd: spi-nand: Fix not calling dev_err with a device
>   mmc: Add mmc_dev()
>   mmc: bcm2835-host: Fix not calling dev_dbg with a device
>   mmc: mtk-sd: Fix not calling dev_err with a device
>   mailbox: k3: Fix not calling dev_err with a device
>   nand: atmel: Fix not calling dev_xxx with a device
>   nand: brcmnand: Fix not calling dev_err() with a device
>   nand: vybrid: Re-introduce vf610_nfc.dev
>   net: bcm6368: Fix not calling dev_info with a device
>   net: mdio: Fix not calling dev_dbg with a device
>   net: mvneta: Fix not always calling dev_err with a device
>   net: mvneta: Convert netdev_xxx to dev_xxx
>   net: mvpp2: Fix not calling dev_xxx with a device
>   net: mvpp2: Convert netdev_xxx to dev_xxx
>   linux/compat.h: Remove netdev_xxx functions
>   net: sunxi: Fix not calling dev_xxx with a device
>   net: sun8i_emac: Fix not calling dev_xxx with a device
>   net: ti: cpsw: Fix not calling dev_dbg with a device
>   phy: marvell: Fix not calling dev_err with a device
>   phy: rockchip: Fix not calling dev_err with a device
>   phy: sun4i-usb: Fix not calling dev_err with a device
>   phy: ti: Fix not calling dev_err with a device
>   phy: usbphyc: Fix not calling dev_err with a device
>   remoteproc: Remove unused function rproc_elf_sanity_check
>   remoteproc: k3-r5: Fix not calling dev_xxx with a device
>   remoteproc: k3: Fix not calling dev_xxx with a device
>   soc: qualcomm: Fix not calling dev_err with a device
>   spi: sunxi: Fix not calling dev_err with a device
>   spi: zynqmp_gqspi: Fix not calling dev_err with a device
>   sysreset: ti: Fix not calling dev_err with a device
>   usb: cdns3: Fix not calling dev_xxx with a device
>   usb: dwc2: Fix not calling dev_xxx with a device
>   usb: dwc3: Fix not calling dev_xxx with a device
>   usb: dwc3: ti: Fix not calling dev_err with a device
>   usb: dwc3: Don't include asm-generic/io.h
>   usb: musb-new: sunxi: Fix not calling dev_err with a device
>   video: stm32: Fix not calling dev_xxx with a device
>   dm: Use symbolic constants for log levels in dev_xxx
>   dm: Print device name in dev_xxx like Linux
> 
>  drivers/core/syscon-uclass.c              |   2 +-
>  drivers/firmware/ti_sci.c                 |  23 ++--
>  drivers/i2c/mxc_i2c.c                     |   7 +-
>  drivers/mailbox/k3-sec-proxy.c            |   6 +-
>  drivers/mmc/bcm2835_sdhost.c              |  34 +++---
>  drivers/mmc/mtk-sd.c                      |  24 ++--
>  drivers/mtd/nand/raw/atmel_nand.c         |  69 +++++++-----
>  drivers/mtd/nand/raw/brcmnand/brcmnand.c  |  20 +---
>  drivers/mtd/nand/raw/pxa3xx_nand.c        |  30 ++---
>  drivers/mtd/nand/raw/sunxi_nand.c         |  45 ++++----
>  drivers/mtd/nand/raw/vf610_nfc.c          |  38 ++++---
>  drivers/mtd/nand/spi/core.c               |   8 +-
>  drivers/mtd/spi/spi-nor-core.c            |   1 +
>  drivers/mtd/spi/spi-nor-tiny.c            |  21 +++-
>  drivers/net/bcm6368-eth.c                 |   3 +-
>  drivers/net/mvneta.c                      |  56 +++++-----
>  drivers/net/mvpp2.c                       |  87 ++++++++-------
>  drivers/net/sun8i_emac.c                  |   9 +-
>  drivers/net/sunxi_emac.c                  |   5 +-
>  drivers/net/ti/cpsw.c                     |   6 +
>  drivers/phy/allwinner/phy-sun4i-usb.c     |  12 +-
>  drivers/phy/marvell/comphy_core.c         |   6 +-
>  drivers/phy/phy-stm32-usbphyc.c           |   2 +-
>  drivers/phy/phy-ti-am654.c                |   4 +-
>  drivers/phy/rockchip/phy-rockchip-pcie.c  |  14 +--
>  drivers/phy/rockchip/phy-rockchip-typec.c |   6 +-
>  drivers/remoteproc/k3_system_controller.c |   9 +-
>  drivers/remoteproc/rproc-elf-loader.c     |  16 ---
>  drivers/remoteproc/ti_k3_r5f_rproc.c      |  24 ++--
>  drivers/smem/msm_smem.c                   |   2 +-
>  drivers/spi/spi-sunxi.c                   |   6 +-
>  drivers/spi/zynqmp_gqspi.c                |   6 +-
>  drivers/sysreset/sysreset-ti-sci.c        |   3 +-
>  drivers/usb/cdns3/ep0.c                   |   5 +-
>  drivers/usb/cdns3/gadget.c                |   3 +-
>  drivers/usb/dwc3/core.c                   |  15 +--
>  drivers/usb/dwc3/dwc3-generic.c           |   1 -
>  drivers/usb/dwc3/ep0.c                    |   1 +
>  drivers/usb/dwc3/gadget.c                 |  23 ++--
>  drivers/usb/dwc3/ti_usb_phy.c             |   4 +-
>  drivers/usb/host/dwc2.c                   |  39 ++++---
>  drivers/usb/musb-new/sunxi.c              |   9 +-
>  drivers/video/dw_mipi_dsi.c               |  24 ++--
>  include/dm/device_compat.h                | 127 ++++++++++++++++------
>  include/linux/compat.h                    |  19 ----
>  include/mmc.h                             |   2 +
>  include/remoteproc.h                      |  13 ---
>  net/mdio-uclass.c                         |   4 +-
>  48 files changed, 486 insertions(+), 407 deletions(-)

For the series, applied to u-boot/next, thanks!

-- 
Tom
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