netdev - [PATCH] net: wwan: iosm: select CONFIG

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Date:   Sat,  4 Dec 2021 18:40:25 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Loic Poulain <loic.poulain@...aro.org>,
        Sergey Ryazanov <ryazanov.s.a@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        M Chetan Kumar <m.chetan.kumar@...ux.intel.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Johannes Berg <johannes@...solutions.net>,
        Stephan Gerhold <stephan@...hold.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] net: wwan: iosm: select CONFIG_RELAY

From: Arnd Bergmann <arnd@...db.de>

The iosm driver started using relayfs, but is missing the Kconfig
logic to ensure it's built into the kernel:

x86_64-linux-ld: drivers/net/wwan/iosm/iosm_ipc_trace.o: in function `ipc_trace_create_buf_file_handler':
iosm_ipc_trace.c:(.text+0x16): undefined reference to `relay_file_operations'
x86_64-linux-ld: drivers/net/wwan/iosm/iosm_ipc_trace.o: in function `ipc_trace_subbuf_start_handler':
iosm_ipc_trace.c:(.text+0x31): undefined reference to `relay_buf_full'
x86_64-linux-ld: drivers/net/wwan/iosm/iosm_ipc_trace.o: in function `ipc_trace_ctrl_file_write':
iosm_ipc_trace.c:(.text+0xd5): undefined reference to `relay_flush'
x86_64-linux-ld: drivers/net/wwan/iosm/iosm_ipc_trace.o: in function `ipc_trace_port_rx':

Fixes: 00ef32565b9b ("net: wwan: iosm: device trace collection using relayfs")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/net/wwan/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wwan/Kconfig b/drivers/net/wwan/Kconfig
index bdb2b0e46c12..9f5111a77da9 100644
--- a/drivers/net/wwan/Kconfig
+++ b/drivers/net/wwan/Kconfig
@@ -85,6 +85,7 @@ config IOSM
 	tristate "IOSM Driver for Intel M.2 WWAN Device"
 	depends on INTEL_IOMMU
 	select NET_DEVLINK
+	select RELAY
 	help
 	  This driver enables Intel M.2 WWAN Device communication.
 
-- 
2.29.2