linux-kernel - [PATCH v2] platform: olpc: use SPI device ID data to bind device

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Message-Id: <20230316160324.78856-1-krzysztof.kozlowski@linaro.org>
Date:   Thu, 16 Mar 2023 17:03:24 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2] platform: olpc: use SPI device ID data to bind device

The driver defines spi_device_id table for module autoloading, but does
not use it in id_table which causes W=1 warning:

  drivers/platform/olpc/olpc-xo175-ec.c:737:35: error: ‘olpc_xo175_ec_id_table’ defined but not used [-Werror=unused-const-variable=]

Reference the SPI device ID table, so it can be also used for device
binding.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Changes since v1:
1. Rework the patch - reference the ID table instead of __maybe_unused.
---
 drivers/platform/olpc/olpc-xo175-ec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/olpc/olpc-xo175-ec.c b/drivers/platform/olpc/olpc-xo175-ec.c
index 4823bd2819f6..62ccbcb15c74 100644
--- a/drivers/platform/olpc/olpc-xo175-ec.c
+++ b/drivers/platform/olpc/olpc-xo175-ec.c
@@ -746,6 +746,7 @@ static struct spi_driver olpc_xo175_ec_spi_driver = {
 		.of_match_table = olpc_xo175_ec_of_match,
 		.pm = &olpc_xo175_ec_pm_ops,
 	},
+	.id_table	= olpc_xo175_ec_id_table,
 	.probe		= olpc_xo175_ec_probe,
 	.remove		= olpc_xo175_ec_remove,
 };
-- 
2.34.1