dmaengine: idxd: Remove the unused function set_completion_address()

The function set_completion_address is defined in the dma.c file, but not
called elsewhere, so remove this unused function.

drivers/dma/idxd/dma.c:66:20: warning: unused function 'set_completion_address'.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3416Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20221212033514.5831-1-jiapeng.chong@linux.alibaba.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/idxd/dma.c

@@ -63,12 +63,6 @@ static void op_flag_setup(unsigned long flags, u32 *desc_flags)
 		*desc_flags |= IDXD_OP_FLAG_RCI;
 }
 
-static inline void set_completion_address(struct idxd_desc *desc,
-					  u64 *compl_addr)
-{
-		*compl_addr = desc->compl_dma;
-}
-
 static inline void idxd_prep_desc_common(struct idxd_wq *wq,
 					 struct dsa_hw_desc *hw, char opcode,
 					 u64 addr_f1, u64 addr_f2, u64 len,