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

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Message-ID: <20240802054336.xdhkubya44j5dcfa@vireshk-i7>
Date: Fri, 2 Aug 2024 11:13:36 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: "Rob Herring (Arm)" <robh@...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 cpufreq-arm tree

On 02-08-24, 10:57, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the cpufreq-arm tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
> 
> In file included from include/linux/cpufreq.h:17,
>                  from drivers/cpufreq/spear-cpufreq.c:17:
> drivers/cpufreq/spear-cpufreq.c: In function 'spear_cpufreq_probe':
> include/linux/of.h:1435:51: error: lvalue required as unary '&' operand
>  1435 |                  of_prop_next_u32(_it.prop, NULL, &u)};                 \
>       |                                                   ^
> drivers/cpufreq/spear-cpufreq.c:201:9: note: in expansion of macro 'of_property_for_each_u32'
>   201 |         of_property_for_each_u32(np, "cpufreq_tbl", &val)
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~
> include/linux/of.h:1437:62: error: lvalue required as unary '&' operand
>  1437 |              _it.item = of_prop_next_u32(_it.prop, _it.item, &u))
>       |                                                              ^
> drivers/cpufreq/spear-cpufreq.c:201:9: note: in expansion of macro 'of_property_for_each_u32'
>   201 |         of_property_for_each_u32(np, "cpufreq_tbl", &val)
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~
> 
> Caused by commit
> 
>   e960bbac0af4 ("cpufreq: spear: Use of_property_for_each_u32() instead of open coding")

Fixed as:

diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c
index 4d28147c23f1..777f7f5b3671 100644
--- a/drivers/cpufreq/spear-cpufreq.c
+++ b/drivers/cpufreq/spear-cpufreq.c
@@ -198,7 +198,7 @@ static int spear_cpufreq_probe(struct platform_device *pdev)
                goto out_put_node;
        }

-       of_property_for_each_u32(np, "cpufreq_tbl", &val)
+       of_property_for_each_u32(np, "cpufreq_tbl", val)
                freq_tbl[i].frequency = val;

        freq_tbl[cnt].frequency = CPUFREQ_TABLE_END;

-- 
viresh