buildroot/package/wilc-driver/0002-spi.c-fix-build-failure-on-remove-callback.patch

From a88819bd63f977b5a33d72a2b9e264ce104726bd Mon Sep 17 00:00:00 2001
From: Giulio Benetti <giulio.benetti@benettiengineering.com>
Date: Wed, 28 Dec 2022 21:02:12 +0100
Subject: [PATCH] spi.c: fix build failure on remove callback

Starting from Linux 5.18 remove callback returns void, so let's deal with
it depending on Linux version >= 5.18.

[Upstream status: https://github.com/embeddedTS/wilc3000-external-module/pull/2]
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
---
 spi.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/spi.c b/spi.c
index 96c51fe..f7b43e2 100644
--- a/spi.c
+++ b/spi.c
@@ -211,7 +211,11 @@ free:
 	return ret;
 }
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,18,0))
+static void wilc_bus_remove(struct spi_device *spi)
+#else
 static int wilc_bus_remove(struct spi_device *spi)
+#endif
 {
 	struct wilc *wilc = spi_get_drvdata(spi);
 
@@ -220,7 +224,10 @@ static int wilc_bus_remove(struct spi_device *spi)
 
 	wilc_netdev_cleanup(wilc);
 	wilc_bt_deinit();
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5,18,0))
 	return 0;
+#endif
 }
 
 static int wilc_spi_suspend(struct device *dev)
-- 
2.34.1