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Date:   Fri, 20 Nov 2020 17:23:02 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     linux-kernel@...r.kernel.org,
        Dan Williams <dan.j.williams@...el.com>,
        Vinod Koul <vkoul@...nel.org>, dmaengine@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 5/6] dmaengine: stm32: mark of_device_id table as maybe unused

The driver uses a second of_device_id table in the probe()
function by passing it to of_match_node().  This code will be a no-op
for compile testing (!CONFIG_OF on x86_64):

    drivers/dma/stm32-dmamux.c:171:34: warning:
        ‘stm32_stm32dma_master_match’ defined but not used [-Wunused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/dma/stm32-dmamux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32-dmamux.c
index a10ccd964376..ef0d0555103d 100644
--- a/drivers/dma/stm32-dmamux.c
+++ b/drivers/dma/stm32-dmamux.c
@@ -168,7 +168,7 @@ static void *stm32_dmamux_route_allocate(struct of_phandle_args *dma_spec,
 	return ERR_PTR(ret);
 }
 
-static const struct of_device_id stm32_stm32dma_master_match[] = {
+static const struct of_device_id stm32_stm32dma_master_match[] __maybe_unused = {
 	{ .compatible = "st,stm32-dma", },
 	{},
 };
-- 
2.25.1

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