net: wwan: iosm: select CONFIG_RELAY
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: 00ef3256 ("net: wwan: iosm: device trace collection using relayfs") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Reviewed-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Link: https://lore.kernel.org/r/20211204174033.950528-1-arnd@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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