ibmveth: Use dcbf rather than dcbfl

mpe · davem330 · commit bfedba3b2c77 · 2023-08-23T11:51:16.000+01:00
When building for power4, newer binutils don't recognise the "dcbfl"
extended mnemonic.

dcbfl RA, RB is equivalent to dcbf RA, RB, 1.

Switch to "dcbf" to avoid the build error.

Signed-off-by: Michael Ellerman &lt;mpe@ellerman.id.au&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
@@ -203,7 +203,7 @@ static inline void ibmveth_flush_buffer(void *addr, unsigned long length)
 	unsigned long offset;
 
 	for (offset = 0; offset < length; offset += SMP_CACHE_BYTES)
-		asm("dcbfl %0,%1" :: "b" (addr), "r" (offset));
+		asm("dcbf %0,%1,1" :: "b" (addr), "r" (offset));
 }
 
 /* replenish the buffers for a pool.  note that we don't need to

Original file line number	Diff line number	Diff line change
`@@ -203,7 +203,7 @@ static inline void ibmveth_flush_buffer(void *addr, unsigned long length)`
`203`	`203`	`unsigned long offset;`
`204`	`204`
`205`	`205`	`for (offset = 0; offset < length; offset += SMP_CACHE_BYTES)`
`206`		`- asm("dcbfl %0,%1" :: "b" (addr), "r" (offset));`
	`206`	`+ asm("dcbf %0,%1,1" :: "b" (addr), "r" (offset));`
`207`	`207`	`}`
`208`	`208`
`209`	`209`	`/* replenish the buffers for a pool. note that we don't need to`