Thread (1 message) 1 message, 1 author, 2014-08-07

Re: [PATCH] smsc: Undefine SMC_inb and SMC_outb before define

From: Will Deacon <hidden>
Date: 2014-08-07 12:56:17
Also in: lkml

On Thu, Aug 07, 2014 at 07:29:00AM +0100, Nick Krause wrote:
quoted hunk
Undefine SMC_inb and SMC_outb before redifing to prevent warning which follows

drivers/net/ethernet/smsc/smc91x.h:490:0: warning: "SMC_inb" redefined [enabled by default]
drivers/net/ethernet/smsc/smc91x.h:199:0: note: this is the location of the previous definition
drivers/net/ethernet/smsc/smc91x.h:491:0: warning: "SMC_outb" redefined [enabled by default]
drivers/net/ethernet/smsc/smc91x.h:201:0: note: this is the location of the previous definition

Signed-off-by: Nick Krause <redacted>
---
 drivers/net/ethernet/smsc/smc91x.h | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h
index 47dce91..d1c5441 100644
--- a/drivers/net/ethernet/smsc/smc91x.h
+++ b/drivers/net/ethernet/smsc/smc91x.h
@@ -487,6 +487,8 @@ smc_pxa_dma_irq(int dma, void *dummy)
 #endif
 
 #if ! SMC_CAN_USE_8BIT
+#undef  SMC_inb
+#undef  SMC_outb
 #define SMC_inb(ioaddr, reg)		({ BUG(); 0; })
 #define SMC_outb(x, ioaddr, reg)	BUG()
 #define SMC_insb(a, r, p, l)		BUG()
Nak. The real issue here appears to be that the CONFIG_M32R code defines
SMC_CAN_USE_8BIT as 0 but then defines SMC_inb/SMC_outb anyway.

Will
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