fpga: zynqmppl: Reuse invoke_smc routine

Reuse invoke_smc() routine which is already defined
instead of duplicating same at multiple places.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

drivers/fpga/zynqmppl.c

@@ -10,6 +10,7 @@
 #include <common.h>
 #include <zynqmppl.h>
 #include <linux/sizes.h>
+#include <asm/arch/sys_proto.h>
 
 #define DUMMY_WORD	0xffffffff
 
@@ -191,25 +192,14 @@ static int zynqmp_validate_bitstream(xilinx_desc *desc, const void *buf,
 	return 0;
 }
 
-static int invoke_smc(ulong id, ulong reg0, ulong reg1, ulong reg2)
-{
-	struct pt_regs regs;
-	regs.regs[0] = id;
-	regs.regs[1] = reg0;
-	regs.regs[2] = reg1;
-	regs.regs[3] = reg2;
-
-	smc_call(&regs);
-
-	return regs.regs[0];
-}
-
 static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize,
 		     bitstream_type bstype)
 {
 	u32 swap;
-	ulong bin_buf, flags;
+	ulong bin_buf;
 	int ret;
+	u32 buf_lo, buf_hi;
+	u32 ret_payload[PAYLOAD_ARG_CNT];
 
 	if (zynqmp_validate_bitstream(desc, buf, bsize, bsize, &swap))
 		return FPGA_FAIL;
@@ -224,9 +214,10 @@ static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize,
 	else
 		bsize = bsize / 4;
 
-	flags = (u32)bsize | ((u64)bstype << 32);
-
-	ret = invoke_smc(ZYNQMP_SIP_SVC_PM_FPGA_LOAD, bin_buf, flags, 0);
+	buf_lo = (u32)bin_buf;
+	buf_hi = upper_32_bits(bin_buf);
+	ret = invoke_smc(ZYNQMP_SIP_SVC_PM_FPGA_LOAD, buf_lo, buf_hi, bsize,
+			 bstype, ret_payload);
 	if (ret)
 		debug("PL FPGA LOAD fail\n");