Revert "net: wwan: iosm: firmware flashing and coredump collection"

The devlink parameters are not the right mechanism to pass
extra parameters to device flashing. The params added are
also undocumented.

This reverts commit 13bb842 ("net: wwan: iosm: firmware
flashing and coredump collection").

Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: kuba-moo

drivers/net/wwan/Kconfig

@@ -71,7 +71,6 @@ config RPMSG_WWAN_CTRL
 config IOSM
 	tristate "IOSM Driver for Intel M.2 WWAN Device"
 	depends on INTEL_IOMMU
-	select NET_DEVLINK
 	help
 	  This driver enables Intel M.2 WWAN Device communication.
 

drivers/net/wwan/iosm/Makefile

@@ -18,9 +18,6 @@ iosm-y = \
 	iosm_ipc_protocol.o		\
 	iosm_ipc_protocol_ops.o	\
 	iosm_ipc_mux.o			\
-	iosm_ipc_mux_codec.o		\
-	iosm_ipc_devlink.o		\
-	iosm_ipc_flash.o		\
-	iosm_ipc_coredump.o
+	iosm_ipc_mux_codec.o
 
 obj-$(CONFIG_IOSM) := iosm.o

drivers/net/wwan/iosm/iosm_ipc_chnl_cfg.c

@@ -8,7 +8,7 @@
 #include "iosm_ipc_chnl_cfg.h"
 
 /* Max. sizes of a downlink buffers */
-#define IPC_MEM_MAX_DL_FLASH_BUF_SIZE (64 * 1024)
+#define IPC_MEM_MAX_DL_FLASH_BUF_SIZE (16 * 1024)
 #define IPC_MEM_MAX_DL_LOOPBACK_SIZE (1 * 1024 * 1024)
 #define IPC_MEM_MAX_DL_AT_BUF_SIZE 2048
 #define IPC_MEM_MAX_DL_RPC_BUF_SIZE (32 * 1024)
@@ -60,10 +60,6 @@ static struct ipc_chnl_cfg modem_cfg[] = {
 	{ IPC_MEM_CTRL_CHL_ID_6, IPC_MEM_PIPE_12, IPC_MEM_PIPE_13,
 	  IPC_MEM_MAX_TDS_MBIM, IPC_MEM_MAX_TDS_MBIM,
 	  IPC_MEM_MAX_DL_MBIM_BUF_SIZE, WWAN_PORT_MBIM },
-	/* Flash Channel/Coredump Channel */
-	{ IPC_MEM_CTRL_CHL_ID_7, IPC_MEM_PIPE_0, IPC_MEM_PIPE_1,
-	  IPC_MEM_MAX_TDS_FLASH_UL, IPC_MEM_MAX_TDS_FLASH_DL,
-	  IPC_MEM_MAX_DL_FLASH_BUF_SIZE, WWAN_PORT_UNKNOWN },
 };
 
 int ipc_chnl_cfg_get(struct ipc_chnl_cfg *chnl_cfg, int index)

drivers/net/wwan/iosm/iosm_ipc_chnl_cfg.h

@@ -23,7 +23,6 @@ enum ipc_channel_id {
 	IPC_MEM_CTRL_CHL_ID_4,
 	IPC_MEM_CTRL_CHL_ID_5,
 	IPC_MEM_CTRL_CHL_ID_6,
-	IPC_MEM_CTRL_CHL_ID_7,
 };
 
 /**