dde_linux: reduce compiler warnings

repos/dde_linux/lib/mk/lxip.mk

@@ -17,7 +17,7 @@ CC_OPT += -DCONFIG_INET -DCONFIG_BASE_SMALL=0 -DCONFIG_DEBUG_LOCK_ALLOC \
 
 CC_WARN = -Wall -Wno-unused-variable -Wno-uninitialized \
           -Wno-unused-function -Wno-overflow -Wno-pointer-arith \
-          -Wno-sign-compare
+          -Wno-sign-compare -Wno-builtin-declaration-mismatch
 
 CC_C_OPT  += -std=gnu89
 CC_C_OPT  += -Wno-unused-but-set-variable -Wno-pointer-sign

repos/dde_linux/lib/mk/wifi.inc

@@ -31,6 +31,7 @@ CC_C_OPT   += -std=gnu89
 CC_C_OPT   += -include $(LIB_INC_DIR)/lx_emul.h
 CC_C_OPT   += -Wall -Wno-unused-variable -Wno-unused-function -Wno-uninitialized
 CC_C_OPT   += -Wno-unused-but-set-variable -Wno-pointer-sign -Wno-cast-qual
+CC_C_OPT   += -Wno-stringop-truncation
 CC_CXX_OPT += -Wall -fpermissive
 
 CC_OPT += -U__linux__ -D __KERNEL__ -DCONFIG_PCI

repos/dde_linux/patches/lxip_log2.patch

@@ -0,0 +1,10 @@
+--- a/include/linux/log2.h	2016-02-25 21:01:36.000000000 +0100
++++ b/include/linux/log2.h	2020-01-03 14:59:54.572400301 +0100
+@@ -18,7 +18,6 @@
+ /*
+  * deal with unrepresentable constant logarithms
+  */
+-extern __attribute__((const, noreturn))
+ int ____ilog2_NaN(void);
+ 
+ /*

repos/dde_linux/ports/dde_linux.hash

@@ -1 +1 @@
-234e76f366dc583176c0695d33886fb6576765c2
+8d086553e63be398b2e00ffa093fb4d44d6e746d

repos/dde_linux/ports/dde_linux.port

@@ -156,6 +156,7 @@ PATCHES += $(addprefix patches/,$(notdir $(wildcard $(REP_DIR)/patches/usb_hid*.
 LXIP_OPT = -p1 -d$(SRC_DIR_LXIP)
 PATCH_OPT(patches/lxip_icmp.patch)         := $(LXIP_OPT)
 PATCH_OPT(patches/lxip_ip_config.patch)    := $(LXIP_OPT)
+PATCH_OPT(patches/lxip_log2.patch)         := $(LXIP_OPT)
 PATCH_OPT(patches/lxip_netlink.patch)      := $(LXIP_OPT)
 PATCH_OPT(patches/lxip_request_sock.patch) := $(LXIP_OPT)
 PATCH_OPT(patches/lxip_sk_wq.patch)        := $(LXIP_OPT)

repos/dde_linux/src/drivers/framebuffer/intel/include/lx_emul.h

@@ -1262,12 +1262,9 @@ enum {
 	MEMREMAP_WB = 1 << 0,
 };
 
-#define writel(value, addr) (*(volatile uint32_t *)(addr) = (value))
-#define readl(addr)         (*(volatile uint32_t *)(addr))
-
 #define writel_relaxed(v, a) writel(v, a)
-#define iowrite32(v, addr)	writel((v), (addr))
-#define ioread32(addr)		readl(addr)
+#define iowrite32(v, addr)   writel((v), (addr))
+#define ioread32(addr)       readl(addr)
 
 void outb(u8  value, u32 port);
 void outw(u16 value, u32 port);

repos/dde_linux/src/include/lx_emul/bug.h

@@ -21,7 +21,7 @@
 
 #define WARN_ON(condition) ({ \
 	int ret = !!(condition); \
-	if (ret) lx_printf("[%s] WARN_ON(" #condition ") \n", __func__); \
+	if (ret) lx_printf("[%s] WARN_ON(%s) \n", __func__, #condition); \
 	ret; })
 
 #define WARN(condition, fmt, arg...) ({ \

repos/dde_linux/src/lib/lxip/include/lx_emul.h

@@ -3056,10 +3056,10 @@ struct inet_diag_handler
 
 
 void inet_diag_dump_icsk(struct inet_hashinfo *, struct sk_buff *,
-                         struct netlink_callback *, struct inet_diag_req_v2 *,
+                         struct netlink_callback *, const struct inet_diag_req_v2 *,
                          struct nlattr *);
 int inet_diag_dump_one_icsk(struct inet_hashinfo *, struct sk_buff *,
-                            const struct nlmsghdr *, struct inet_diag_req_v2 *);
+                            const struct nlmsghdr *, const struct inet_diag_req_v2 *);
 
 int  inet_diag_register(const struct inet_diag_handler *);
 void inet_diag_unregister(const struct inet_diag_handler *);
@@ -3424,9 +3424,9 @@ void trace_netif_rx_ni_entry(struct sk_buff*);
 void trace_netif_receive_skb_entry(struct sk_buff*);
 void trace_napi_gro_receive_entry(struct sk_buff*);
 void trace_napi_gro_frags_entry(struct sk_buff*);
-void trace_fib_validate_source(struct net_device *, struct flowi4*);
-void trace_fib_table_lookup(void*, void*);
-void trace_fib_table_lookup_nh(void*);
+void trace_fib_validate_source(const struct net_device *, const struct flowi4 *);
+void trace_fib_table_lookup(const void *, const void *);
+void trace_fib_table_lookup_nh(const void *);
 
 
 /******************