linux-kernel - [PATCH] parisc: pci-dma: fix warning unused-function

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Message-Id: <20201126130600.2290331-1-anders.roxell@linaro.org>
Date:   Thu, 26 Nov 2020 14:06:00 +0100
From:   Anders Roxell <anders.roxell@...aro.org>
To:     James.Bottomley@...senPartnership.com, deller@....de
Cc:     linux-parisc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Anders Roxell <anders.roxell@...aro.org>
Subject: [PATCH] parisc: pci-dma: fix warning unused-function

When building tinyconfig on parisc the following warnign shows up:

/tmp/arch/parisc/kernel/pci-dma.c:338:12: warning: 'proc_pcxl_dma_show' defined but not used [-Wunused-function]
 static int proc_pcxl_dma_show(struct seq_file *m, void *v)
            ^~~~~~~~~~~~~~~~~~

Mark the function as __maybe_unused to fix the warning.

Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
---
 arch/parisc/kernel/pci-dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index 36610a5c029f..36a57aa38e87 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -335,7 +335,7 @@ pcxl_free_range(unsigned long vaddr, size_t size)
 	dump_resmap();
 }
 
-static int proc_pcxl_dma_show(struct seq_file *m, void *v)
+static int __maybe_unused proc_pcxl_dma_show(struct seq_file *m, void *v)
 {
 #if 0
 	u_long i = 0;
-- 
2.29.2