spi: bcm-qspi: Mark OF related data as maybe unused

The driver can be compile tested with !CONFIG_OF making certain data
unused:

  drivers/spi/spi-bcm-qspi.c:1460:34: error: ‘bcm_qspi_of_match’ defined but not used [-Werror=unused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230310222857.315629-13-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c
index 7c2f1d1..6b46a3b 100644 (file)
--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -1457,7 +1457,7 @@ static const struct bcm_qspi_data bcm_qspi_spcr3_data = {
        .has_spcr3_sysclk = true,
 };
 
-static const struct of_device_id bcm_qspi_of_match[] = {
+static const struct of_device_id bcm_qspi_of_match[] __maybe_unused = {
        {
                .compatible = "brcm,spi-bcm7445-qspi",
                .data = &bcm_qspi_rev_data,