Hi Bjorn,
Thank you! This looks great!
[...]
> commit e8e9aababe60 ("PCI: Apply CONFIG_PCI_DEBUG to entire drivers/pci hierarchy")
> Author: Junhao He <hejunhao2@xxxxxxxxxxxxx>
> Date: Thu Feb 4 19:30:15 2021 +0800
>
> PCI: Apply CONFIG_PCI_DEBUG to entire drivers/pci hierarchy
>
> CONFIG_PCI_DEBUG=y adds -DDEBUG to CFLAGS, which enables things like
> pr_debug() and dev_dbg() (and hence pci_dbg()). Previously we added
> -DDEBUG for files in drivers/pci/, but not files in subdirectories of
> drivers/pci/.
>
> Add -DDEBUG to CFLAGS for all files below drivers/pci/ so CONFIG_PCI_DEBUG
> applies to the entire hierarchy.
>
> [bhelgaas: commit log]
> Link: https://lore.kernel.org/r/1612438215-33105-1-git-send-email-yangyicong@xxxxxxxxxxxxx
> Signed-off-by: Junhao He <hejunhao2@xxxxxxxxxxxxx>
> Signed-off-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx>
> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Reviewed-by: Krzysztof Wilczyński <kw@xxxxxxxxx>
>
> diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
> index 11cc79411e2d..d62c4ac4ae1b 100644
> --- a/drivers/pci/Makefile
> +++ b/drivers/pci/Makefile
> @@ -36,4 +36,4 @@ obj-$(CONFIG_PCI_ENDPOINT) += endpoint/
> obj-y += controller/
> obj-y += switch/
>
> -ccflags-$(CONFIG_PCI_DEBUG) := -DDEBUG
> +subdir-ccflags-$(CONFIG_PCI_DEBUG) := -DDEBUG
And thank you again, Yicong, for fixing this. Much appreciated.
Krzysztof
