[RFC PATCH v4 5/6] fpga: xilinx: pass xilinx_desc pointer address into load() ops

[Oleksandr Suvorov]

Pass an address of xilinx_desc pointer in an fpga_desc into a load()
callback of struct xilinx_fpga_op.
It allows getting parent fpga_desc structure members inside xilinx
fpga drivers.

Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov at foundries.io>
Tested-by: Ricardo Salveti <ricardo at foundries.io>
---

(no changes since v1)

 drivers/fpga/spartan2.c | 3 ++-
 drivers/fpga/spartan3.c | 3 ++-
 drivers/fpga/versalpl.c | 2 +-
 drivers/fpga/virtex2.c  | 3 ++-
 drivers/fpga/xilinx.c   | 2 +-
 drivers/fpga/zynqmppl.c | 5 +++--
 drivers/fpga/zynqpl.c   | 3 ++-
 include/xilinx.h        | 2 +-
 8 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/fpga/spartan2.c b/drivers/fpga/spartan2.c
index 3435400e58b..f40edb1747b 100644
--- a/drivers/fpga/spartan2.c
+++ b/drivers/fpga/spartan2.c
@@ -40,10 +40,11 @@ static int spartan2_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize);
 
 /* ------------------------------------------------------------------------- */
 /* Spartan-II Generic Implementation */
-static int spartan2_load(xilinx_desc *desc, const void *buf, size_t bsize,
+static int spartan2_load(xilinx_desc **desc_ptr, const void *buf, size_t bsize,
 			 bitstream_type bstype)
 {
 	int ret_val = FPGA_FAIL;
+	xilinx_desc *desc = *desc_ptr;
 
 	switch (desc->iface) {
 	case slave_serial:
diff --git a/drivers/fpga/spartan3.c b/drivers/fpga/spartan3.c
index 4850c99352d..b7c1ddd40f6 100644
--- a/drivers/fpga/spartan3.c
+++ b/drivers/fpga/spartan3.c
@@ -44,10 +44,11 @@ static int spartan3_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize);
 
 /* ------------------------------------------------------------------------- */
 /* Spartan-II Generic Implementation */
-static int spartan3_load(xilinx_desc *desc, const void *buf, size_t bsize,
+static int spartan3_load(xilinx_desc **desc_ptr, const void *buf, size_t bsize,
 			 bitstream_type bstype)
 {
 	int ret_val = FPGA_FAIL;
+	xilinx_desc *desc = *desc_ptr;
 
 	switch (desc->iface) {
 	case slave_serial:
diff --git a/drivers/fpga/versalpl.c b/drivers/fpga/versalpl.c
index c44a7d34557..9464cae22ee 100644
--- a/drivers/fpga/versalpl.c
+++ b/drivers/fpga/versalpl.c
@@ -26,7 +26,7 @@ static ulong versal_align_dma_buffer(ulong *buf, u32 len)
 	return (ulong)buf;
 }
 
-static int versal_load(xilinx_desc *desc, const void *buf, size_t bsize,
+static int versal_load(xilinx_desc **desc_ptr, const void *buf, size_t bsize,
 		       bitstream_type bstype)
 {
 	ulong bin_buf;
diff --git a/drivers/fpga/virtex2.c b/drivers/fpga/virtex2.c
index b3e0537bab0..d0369d320b1 100644
--- a/drivers/fpga/virtex2.c
+++ b/drivers/fpga/virtex2.c
@@ -93,10 +93,11 @@ static int virtex2_ssm_dump(xilinx_desc *desc, const void *buf, size_t bsize);
 static int virtex2_ss_load(xilinx_desc *desc, const void *buf, size_t bsize);
 static int virtex2_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize);
 
-static int virtex2_load(xilinx_desc *desc, const void *buf, size_t bsize,
+static int virtex2_load(xilinx_desc **desc_ptr, const void *buf, size_t bsize,
 			bitstream_type bstype)
 {
 	int ret_val = FPGA_FAIL;
+	xilinx_desc *desc = *desc_ptr;
 
 	switch (desc->iface) {
 	case slave_serial:
diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c
index 640baac66e6..f89ae8fe103 100644
--- a/drivers/fpga/xilinx.c
+++ b/drivers/fpga/xilinx.c
@@ -153,7 +153,7 @@ int xilinx_load(xilinx_desc **desc_ptr, const void *buf, size_t bsize,
 		return FPGA_FAIL;
 	}
 
-	return desc->operations->load(desc, buf, bsize, bstype);
+	return desc->operations->load(desc_ptr, buf, bsize, bstype);
 }
 
 #if defined(CONFIG_CMD_FPGA_LOADFS)
diff --git a/drivers/fpga/zynqmppl.c b/drivers/fpga/zynqmppl.c
index 8ff12bf50a0..c7f9f4ae846 100644
--- a/drivers/fpga/zynqmppl.c
+++ b/drivers/fpga/zynqmppl.c
@@ -199,8 +199,8 @@ static int zynqmp_validate_bitstream(xilinx_desc *desc, const void *buf,
 	return 0;
 }
 
-static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize,
-		     bitstream_type bstype)
+static int zynqmp_load(xilinx_desc **desc_ptr, const void *buf, size_t bsize,
+		       bitstream_type bstype)
 {
 	ALLOC_CACHE_ALIGN_BUFFER(u32, bsizeptr, 1);
 	u32 swap = 0;
@@ -209,6 +209,7 @@ static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize,
 	u32 buf_lo, buf_hi;
 	u32 ret_payload[PAYLOAD_ARG_CNT];
 	bool xilfpga_old = false;
+	xilinx_desc *desc = *desc_ptr;
 
 	if (zynqmp_firmware_version() <= PMUFW_V1_0) {
 		puts("WARN: PMUFW v1.0 or less is detected\n");
diff --git a/drivers/fpga/zynqpl.c b/drivers/fpga/zynqpl.c
index 2de40109a81..c5d9dbcedfd 100644
--- a/drivers/fpga/zynqpl.c
+++ b/drivers/fpga/zynqpl.c
@@ -370,11 +370,12 @@ static int zynq_validate_bitstream(xilinx_desc *desc, const void *buf,
 	return 0;
 }
 
-static int zynq_load(xilinx_desc *desc, const void *buf, size_t bsize,
+static int zynq_load(xilinx_desc **desc_ptr, const void *buf, size_t bsize,
 		     bitstream_type bstype)
 {
 	unsigned long ts; /* Timestamp */
 	u32 isr_status, swap;
+	xilinx_desc *desc = *desc_ptr;
 
 	/*
 	 * send bsize inplace of blocksize as it was not a bitstream
diff --git a/include/xilinx.h b/include/xilinx.h
index 06ecc9a842c..a7efe0e876c 100644
--- a/include/xilinx.h
+++ b/include/xilinx.h
@@ -48,7 +48,7 @@ typedef struct {		/* typedef xilinx_desc */
 } xilinx_desc;			/* end, typedef xilinx_desc */
 
 struct xilinx_fpga_op {
-	int (*load)(xilinx_desc *desc, const void *buf, size_t bsize,
+	int (*load)(xilinx_desc **desc_ptr, const void *buf, size_t bsize,
 		    bitstream_type bstype);
 	int (*loadfs)(xilinx_desc *desc, const void *buf, size_t bsize,
 		      fpga_fs_info *fpga_fsinfo);
-- 
2.31.1