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

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Date:   Mon, 11 Dec 2023 16:05:10 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Rob Herring <robh@...nel.org>, Andy Gross <agross@...nel.org>
Cc:     Abel Vesa <abel.vesa@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Sibi Sankar <quic_sibis@...cinc.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the devicetree tree

Hi all,

After merging the devicetree tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/clk/qcom/gcc-x1e80100.c:6786:15: error: variable 'gcc_x1e80100_driver' has initializer but incomplete type
 6786 | static struct platform_driver gcc_x1e80100_driver = {
      |               ^~~~~~~~~~~~~~~
drivers/clk/qcom/gcc-x1e80100.c:6787:10: error: 'struct platform_driver' has no member named 'probe'
 6787 |         .probe = gcc_x1e80100_probe,
      |          ^~~~~
drivers/clk/qcom/gcc-x1e80100.c:6787:18: warning: excess elements in struct initializer
 6787 |         .probe = gcc_x1e80100_probe,
      |                  ^~~~~~~~~~~~~~~~~~
drivers/clk/qcom/gcc-x1e80100.c:6787:18: note: (near initialization for 'gcc_x1e80100_driver')
drivers/clk/qcom/gcc-x1e80100.c:6788:10: error: 'struct platform_driver' has no member named 'driver'
 6788 |         .driver = {
      |          ^~~~~~
drivers/clk/qcom/gcc-x1e80100.c:6788:19: error: extra brace group at end of initializer
 6788 |         .driver = {
      |                   ^
drivers/clk/qcom/gcc-x1e80100.c:6788:19: note: (near initialization for 'gcc_x1e80100_driver')
drivers/clk/qcom/gcc-x1e80100.c:6788:19: warning: excess elements in struct initializer
drivers/clk/qcom/gcc-x1e80100.c:6788:19: note: (near initialization for 'gcc_x1e80100_driver')
drivers/clk/qcom/gcc-x1e80100.c: In function 'gcc_x1e80100_init':
drivers/clk/qcom/gcc-x1e80100.c:6796:16: error: implicit declaration of function 'platform_driver_register' [-Werror=implicit-function-declaration]
 6796 |         return platform_driver_register(&gcc_x1e80100_driver);
      |                ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/clk/qcom/gcc-x1e80100.c: In function 'gcc_x1e80100_exit':
drivers/clk/qcom/gcc-x1e80100.c:6802:9: error: implicit declaration of function 'platform_driver_unregister'; did you mean 'driver_unregister'? [-Werror=implicit-function-declaration]
 6802 |         platform_driver_unregister(&gcc_x1e80100_driver);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~
      |         driver_unregister
drivers/clk/qcom/gcc-x1e80100.c: At top level:
drivers/clk/qcom/gcc-x1e80100.c:6786:31: error: storage size of 'gcc_x1e80100_driver' isn't known
 6786 | static struct platform_driver gcc_x1e80100_driver = {
      |                               ^~~~~~~~~~~~~~~~~~~

Caused by commit

  0d18bcdebb2f ("of: Stop circularly including of_device.h and of_platform.h")

interacting with commit

  161b7c401f4b ("clk: qcom: Add Global Clock controller (GCC) driver for X1E80100")

from the qcom tree.

I have applied the following merge resolution patch.  This patch could
be applied to the gcom tree.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 11 Dec 2023 15:47:55 +1100
Subject: [PATCH] fix up for "of: Stop circularly including of_device.h and of_platform.h"

interacting with
"clk: qcom: Add Global Clock controller (GCC) driver for X1E80100"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/clk/qcom/gcc-x1e80100.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/gcc-x1e80100.c b/drivers/clk/qcom/gcc-x1e80100.c
index 74db7fef237b..d7182d6e9783 100644
--- a/drivers/clk/qcom/gcc-x1e80100.c
+++ b/drivers/clk/qcom/gcc-x1e80100.c
@@ -4,8 +4,9 @@
  */
 
 #include <linux/clk-provider.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/platform_device.h>
 #include <linux/regmap.h>
 
 #include <dt-bindings/clock/qcom,x1e80100-gcc.h>
-- 
2.40.1

-- 
Cheers,
Stephen Rothwell

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