[PATCH] net: smsc: remove build warning of duplicate definition

From: Sudip Mukherjee
Date: Wed Aug 31 2016 - 13:28:30 EST


The build of m32r was giving warning:

In file included from drivers/net/ethernet/smsc/smc91x.c:92:0:
drivers/net/ethernet/smsc/smc91x.h:448:0: warning: "SMC_inb" redefined
#define SMC_inb(ioaddr, reg) ({ BUG(); 0; })

drivers/net/ethernet/smsc/smc91x.h:106:0:
note: this is the location of the previous definition
#define SMC_inb(a, r) inb(((u32)a) + (r))

drivers/net/ethernet/smsc/smc91x.h:449:0: warning: "SMC_outb" redefined
#define SMC_outb(x, ioaddr, reg) BUG()

drivers/net/ethernet/smsc/smc91x.h:108:0:
note: this is the location of the previous definition
#define SMC_outb(v, a, r) outb(v, ((u32)a) + (r))

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>
---

m32r allmodconfig build of next-20160825 is at:
https://travis-ci.org/sudipm-mukherjee/parport/jobs/154943795

drivers/net/ethernet/smsc/smc91x.h | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h
index 1a55c79..0b0bb74 100644
--- a/drivers/net/ethernet/smsc/smc91x.h
+++ b/drivers/net/ethernet/smsc/smc91x.h
@@ -445,7 +445,14 @@ smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
#endif

#if ! SMC_CAN_USE_8BIT
+#ifdef SMC_inb
+#undef SMC_inb
+#endif
#define SMC_inb(ioaddr, reg) ({ BUG(); 0; })
+
+#ifdef SMC_outb
+#undef SMC_outb
+#endif
#define SMC_outb(x, ioaddr, reg) BUG()
#define SMC_insb(a, r, p, l) BUG()
#define SMC_outsb(a, r, p, l) BUG()
--
1.9.1