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Message-ID: <20240712144831.269b1bc6@canb.auug.org.au>
Date: Fri, 12 Jul 2024 14:48:31 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Lee Jones <lee@...nel.org>
Cc: Christian Marangi <ansuelsmth@...il.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 leds-lj tree

Hi all,

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

In file included from drivers/leds/leds-lp5569.c:11:
drivers/leds/leds-lp5569.c: In function 'lp5569_post_init_device':
drivers/leds/leds-lp5569.c:204:52: error: passing argument 3 of 'lp55xx_read' from incompatible pointer type [-Werror=incompatible-pointer-types]
  204 |                           chip, LP5569_REG_STATUS, &val);
      |                                                    ^~~~
      |                                                    |
      |                                                    int *
include/linux/iopoll.h:46:28: note: in definition of macro 'read_poll_timeout'
   46 |                 (val) = op(args); \
      |                            ^~~~
In file included from drivers/leds/leds-lp5569.c:20:
drivers/leds/leds-lp55xx-common.h:229:62: note: expected 'u8 *' {aka 'unsigned char *'} but argument is of type 'int *'
  229 | extern int lp55xx_read(struct lp55xx_chip *chip, u8 reg, u8 *val);
      |                                                          ~~~~^~~
drivers/leds/leds-lp5569.c:204:52: error: passing argument 3 of 'lp55xx_read' from incompatible pointer type [-Werror=incompatible-pointer-types]
  204 |                           chip, LP5569_REG_STATUS, &val);
      |                                                    ^~~~
      |                                                    |
      |                                                    int *
include/linux/iopoll.h:51:36: note: in definition of macro 'read_poll_timeout'
   51 |                         (val) = op(args); \
      |                                    ^~~~
drivers/leds/leds-lp55xx-common.h:229:62: note: expected 'u8 *' {aka 'unsigned char *'} but argument is of type 'int *'
  229 | extern int lp55xx_read(struct lp55xx_chip *chip, u8 reg, u8 *val);
      |                                                          ~~~~^~~
cc1: all warnings being treated as errors

Caused by commit

  d9cc80b1c9b4 ("leds: leds-lp5569: Enable chip after chip configuration")

I have applied the folloing patch for today.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Fri, 12 Jul 2024 14:40:23 +1000
Subject: [PATCH] fixup for "leds: leds-lp5569: Enable chip after chip configuration"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/leds/leds-lp5569.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/leds/leds-lp5569.c b/drivers/leds/leds-lp5569.c
index 52fb83f35bb7..623030f2f5ac 100644
--- a/drivers/leds/leds-lp5569.c
+++ b/drivers/leds/leds-lp5569.c
@@ -173,6 +173,7 @@ static int lp5569_post_init_device(struct lp55xx_chip *chip)
 {
 	int ret;
 	int val;
+	u8 u8val;
 
 	val = LP5569_DEFAULT_CONFIG;
 	val |= FIELD_PREP(LP5569_CP_MODE_MASK, chip->pdata->charge_pump_mode);
@@ -201,7 +202,7 @@ static int lp5569_post_init_device(struct lp55xx_chip *chip)
 
 	read_poll_timeout(lp55xx_read, ret, !(val & LP5569_STARTUP_BUSY),
 			  LP5569_STARTUP_SLEEP, LP5569_STARTUP_SLEEP * 10, false,
-			  chip, LP5569_REG_STATUS, &val);
+			  chip, LP5569_REG_STATUS, &u8val);
 
 	return lp5569_init_program_engine(chip);
 }
-- 
2.43.0

-- 
Cheers,
Stephen Rothwell

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