linux-kernel - Re: linux-next: build failure after merge of the phy-next tree

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Date:   Tue, 1 Dec 2020 07:45:57 +0100
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the phy-next tree

Hi Stephen,

On Tue, Dec 1, 2020 at 7:07 AM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
>
> After merging the phy-next tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/phy/ralink/phy-mt7621-pci.c:17:10: fatal error: mt7621.h: No such file or directory
>    17 | #include <mt7621.h>
>       |          ^~~~~~~~~~
>
> Caused by commit
>
>   d87da32372a0 ("phy: ralink: Add PHY driver for MT7621 PCIe PHY")

This driver has two includes which are in
"arch/mips/include/asm/mach-ralink" and are directly included in the
driver:
* mt7621.h
* ralink_regs.h

This is because this path is directly included in
arch/mips/ralink/Platform for "ralink":

#
# Ralink SoC common stuff
#
cflags-$(CONFIG_RALINK)     += -I$(srctree)/arch/mips/include/asm/mach-ralink

and this driver directly depends on RALINK or COMPILE_TEST (which
might be the problem here):


and this driver directly depends
on RALINK or COMPILE_TEST:

config PHY_MT7621_PCI
    tristate "MediaTek MT7621 PCI PHY Driver"
    depends on (RALINK || COMPILE_TEST) && OF
    select GENERIC_PHY
    select REGMAP_MMIO
    help
      Say 'Y' here to add support for MediaTek MT7621 PCI PHY driver

>
> I have reverted that commit for today.

What is the correct way of fixing this? Include complete path for both
of them like this?

index db79088d5362..cebd53f5a797 100644
--- a/drivers/phy/ralink/phy-mt7621-pci.c
+++ b/drivers/phy/ralink/phy-mt7621-pci.c
@@ -14,8 +14,8 @@
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
 #include <linux/sys_soc.h>
-#include <mt7621.h>
-#include <ralink_regs.h>
+#include <asm/mach-ralink/mt7621.h>
+#include <asm/mach-ralink/ralink_regs.h>

Vinod, please let me know if you want me to send anything for fixing this.

>
> --
> Cheers,
> Stephen Rothwell

Best regards,
    Sergio Paracuellos