From: Pieter Van Trappen <pieter.van.trap...@cern.ch>

Remove `fpga_no_sup` to get rid of Werror=unused-function when all
FPGA configurations are enabled.

Swap all printf calls to log_* as this is now preferred and includes
the calling __func__.

Signed-off-by: Pieter Van Trappen <pieter.van.trap...@cern.ch>
---
 drivers/fpga/fpga.c   | 103 +++++++++++++++++-------------------------
 drivers/fpga/xilinx.c |   2 +-
 include/fpga.h        |   2 +-
 3 files changed, 44 insertions(+), 63 deletions(-)

diff --git a/drivers/fpga/fpga.c b/drivers/fpga/fpga.c
index f88267e01b6..2297fefd149 100644
--- a/drivers/fpga/fpga.c
+++ b/drivers/fpga/fpga.c
@@ -16,20 +16,6 @@
 static int next_desc = FPGA_INVALID_DEVICE;
 static fpga_desc desc_table[CONFIG_MAX_FPGA_DEVICES];
 
-/*
- * fpga_no_sup
- * 'no support' message function
- */
-static void fpga_no_sup(char *fn, char *msg)
-{
-       if (fn && msg)
-               printf("%s: No support for %s.\n", fn, msg);
-       else if (msg)
-               printf("No support for %s.\n", msg);
-       else
-               printf("No FPGA support!\n");
-}
-
 /* fpga_get_desc
  *     map a device number to a descriptor
  */
@@ -39,8 +25,8 @@ const fpga_desc *fpga_get_desc(int devnum)
 
        if ((devnum >= 0) && (devnum < next_desc)) {
                desc = &desc_table[devnum];
-               debug("%s: found fpga descriptor #%d @ 0x%p\n",
-                     __func__, devnum, desc);
+               log_debug("found fpga descriptor #%d @ 0x%p\n",
+                         devnum, desc);
        }
 
        return desc;
@@ -51,15 +37,15 @@ const fpga_desc *fpga_get_desc(int devnum)
  *     generic parameter checking code
  */
 const fpga_desc *fpga_validate(int devnum, const void *buf,
-                              size_t bsize, char *fn)
+                              size_t bsize)
 {
        const fpga_desc *desc = fpga_get_desc(devnum);
 
        if (!desc)
-               printf("%s: Invalid device number %d\n", fn, devnum);
+               log_err("Invalid device number %d\n", devnum);
 
        if (!buf) {
-               printf("%s: Null buffer.\n", fn);
+               log_err("Null buffer.\n");
                return NULL;
        }
        return desc;
@@ -75,40 +61,40 @@ static int fpga_dev_info(int devnum)
        const fpga_desc *desc = fpga_get_desc(devnum);
 
        if (desc) {
-               debug("%s: Device Descriptor @ 0x%p\n",
-                     __func__, desc->devdesc);
+               log_info("Device Descriptor @ 0x%p\n",
+                        desc->devdesc);
 
                switch (desc->devtype) {
                case fpga_xilinx:
 #if defined(CONFIG_FPGA_XILINX)
-                       printf("Xilinx Device\nDescriptor @ 0x%p\n", desc);
+                       log_info("Xilinx Device\nDescriptor @ 0x%p\n", desc);
                        ret_val = xilinx_info(desc->devdesc);
 #else
-                       fpga_no_sup((char *)__func__, "Xilinx devices");
+                       log_err("No support for Xilinx devices.\n");
 #endif
                        break;
                case fpga_altera:
 #if defined(CONFIG_FPGA_ALTERA)
-                       printf("Altera Device\nDescriptor @ 0x%p\n", desc);
+                       log_info("Altera Device\nDescriptor @ 0x%p\n", desc);
                        ret_val = altera_info(desc->devdesc);
 #else
-                       fpga_no_sup((char *)__func__, "Altera devices");
+                       log_err("No support for Altera devices.\n");
 #endif
                        break;
                case fpga_lattice:
 #if defined(CONFIG_FPGA_LATTICE)
-                       printf("Lattice Device\nDescriptor @ 0x%p\n", desc);
+                       log_info("Lattice Device\nDescriptor @ 0x%p\n", desc);
                        ret_val = lattice_info(desc->devdesc);
 #else
-                       fpga_no_sup((char *)__func__, "Lattice devices");
+                       log_err("No support for Lattice devices.\n");
 #endif
                        break;
                default:
-                       printf("%s: Invalid or unsupported device type %d\n",
-                              __func__, desc->devtype);
+                       log_err("Invalid or unsupported device type %d\n",
+                               desc->devtype);
                }
        } else {
-               printf("%s: Invalid device number %d\n", __func__, devnum);
+               log_err("Invalid device number %d\n", devnum);
        }
 
        return ret_val;
@@ -144,23 +130,22 @@ int fpga_add(fpga_type devtype, void *desc)
        int devnum = FPGA_INVALID_DEVICE;
 
        if (!desc) {
-               printf("%s: NULL device descriptor\n", __func__);
+               log_err("NULL device descriptor\n");
                return devnum;
        }
 
        if (next_desc < 0) {
-               printf("%s: FPGA support not initialized!\n", __func__);
+               log_err("FPGA support not initialized!\n");
        } else if ((devtype > fpga_min_type) && (devtype < fpga_undefined)) {
                if (next_desc < CONFIG_MAX_FPGA_DEVICES) {
                        devnum = next_desc;
                        desc_table[next_desc].devtype = devtype;
                        desc_table[next_desc++].devdesc = desc;
                } else {
-                       printf("%s: Exceeded Max FPGA device count\n",
-                              __func__);
+                       log_err("Exceeded Max FPGA device count\n");
                }
        } else {
-               printf("%s: Unsupported FPGA type %d\n", __func__, devtype);
+               log_err("Unsupported FPGA type %d\n", devtype);
        }
 
        return devnum;
@@ -181,7 +166,7 @@ int __weak fpga_is_partial_data(int devnum, size_t img_len)
 int __weak fpga_loadbitstream(int devnum, char *fpgadata, size_t size,
                              bitstream_type bstype)
 {
-       printf("Bitstream support not implemented for this FPGA device\n");
+       log_err("Bitstream support not implemented for this FPGA device\n");
        return FPGA_FAIL;
 }
 
@@ -190,8 +175,7 @@ int fpga_fsload(int devnum, const void *buf, size_t size,
                 fpga_fs_info *fpga_fsinfo)
 {
        int ret_val = FPGA_FAIL;           /* assume failure */
-       const fpga_desc *desc = fpga_validate(devnum, buf, size,
-                                             (char *)__func__);
+       const fpga_desc *desc = fpga_validate(devnum, buf, size);
 
        if (desc) {
                switch (desc->devtype) {
@@ -200,12 +184,12 @@ int fpga_fsload(int devnum, const void *buf, size_t size,
                        ret_val = xilinx_loadfs(desc->devdesc, buf, size,
                                                fpga_fsinfo);
 #else
-                       fpga_no_sup((char *)__func__, "Xilinx devices");
+                       log_err("No support for Xilinx devices.\n");
 #endif
                        break;
                default:
-                       printf("%s: Invalid or unsupported device type %d\n",
-                              __func__, desc->devtype);
+                       log_err("Invalid or unsupported device type %d\n",
+                               desc->devtype);
                }
        }
 
@@ -219,8 +203,7 @@ int fpga_loads(int devnum, const void *buf, size_t size,
 {
        int ret_val = FPGA_FAIL;
 
-       const fpga_desc *desc = fpga_validate(devnum, buf, size,
-                                             (char *)__func__);
+       const fpga_desc *desc = fpga_validate(devnum, buf, size);
 
        if (desc) {
                switch (desc->devtype) {
@@ -229,12 +212,12 @@ int fpga_loads(int devnum, const void *buf, size_t size,
                        ret_val = xilinx_loads(desc->devdesc, buf, size,
                                               fpga_sec_info);
 #else
-                       fpga_no_sup((char *)__func__, "Xilinx devices");
+                       log_err("No support for Xilinx devices.\n");
 #endif
                        break;
                default:
-                       printf("%s: Invalid or unsupported device type %d\n",
-                              __func__, desc->devtype);
+                       log_err("Invalid or unsupported device type %d\n",
+                               desc->devtype);
                }
        }
 
@@ -265,8 +248,7 @@ int fpga_load(int devnum, const void *buf, size_t bsize, 
bitstream_type bstype,
 {
        int ret_val = FPGA_FAIL;           /* assume failure */
        int ret_notify;
-       const fpga_desc *desc = fpga_validate(devnum, buf, bsize,
-                                             (char *)__func__);
+       const fpga_desc *desc = fpga_validate(devnum, buf, bsize);
 
        if (desc) {
                switch (desc->devtype) {
@@ -275,26 +257,26 @@ int fpga_load(int devnum, const void *buf, size_t bsize, 
bitstream_type bstype,
                        ret_val = xilinx_load(desc->devdesc, buf, bsize,
                                              bstype, flags);
 #else
-                       fpga_no_sup((char *)__func__, "Xilinx devices");
+                       log_err("No support for Xilinx devices.\n");
 #endif
                        break;
                case fpga_altera:
 #if defined(CONFIG_FPGA_ALTERA)
                        ret_val = altera_load(desc->devdesc, buf, bsize);
 #else
-                       fpga_no_sup((char *)__func__, "Altera devices");
+                       log_err("No support for Altera devices.\n");
 #endif
                        break;
                case fpga_lattice:
 #if defined(CONFIG_FPGA_LATTICE)
                        ret_val = lattice_load(desc->devdesc, buf, bsize);
 #else
-                       fpga_no_sup((char *)__func__, "Lattice devices");
+                       log_err("No support for Lattice devices.\n");
 #endif
                        break;
                default:
-                       printf("%s: Invalid or unsupported device type %d\n",
-                              __func__, desc->devtype);
+                       log_err("Invalid or unsupported device type %d\n",
+                               desc->devtype);
                }
        }
 
@@ -312,8 +294,7 @@ int fpga_load(int devnum, const void *buf, size_t bsize, 
bitstream_type bstype,
 int fpga_dump(int devnum, const void *buf, size_t bsize)
 {
        int ret_val = FPGA_FAIL;           /* assume failure */
-       const fpga_desc *desc = fpga_validate(devnum, buf, bsize,
-                                             (char *)__func__);
+       const fpga_desc *desc = fpga_validate(devnum, buf, bsize);
 
        if (desc) {
                switch (desc->devtype) {
@@ -321,26 +302,26 @@ int fpga_dump(int devnum, const void *buf, size_t bsize)
 #if defined(CONFIG_FPGA_XILINX)
                        ret_val = xilinx_dump(desc->devdesc, buf, bsize);
 #else
-                       fpga_no_sup((char *)__func__, "Xilinx devices");
+                       log_err("No support for Xilinx devices.\n");
 #endif
                        break;
                case fpga_altera:
 #if defined(CONFIG_FPGA_ALTERA)
                        ret_val = altera_dump(desc->devdesc, buf, bsize);
 #else
-                       fpga_no_sup((char *)__func__, "Altera devices");
+                       log_err("No support for Altera devices.\n");
 #endif
                        break;
                case fpga_lattice:
 #if defined(CONFIG_FPGA_LATTICE)
                        ret_val = lattice_dump(desc->devdesc, buf, bsize);
 #else
-                       fpga_no_sup((char *)__func__, "Lattice devices");
+                       log_err("No support for Lattice devices.\n");
 #endif
                        break;
                default:
-                       printf("%s: Invalid or unsupported device type %d\n",
-                              __func__, desc->devtype);
+                       log_err("Invalid or unsupported device type %d\n",
+                               desc->devtype);
                }
        }
 
@@ -363,7 +344,7 @@ int fpga_info(int devnum)
 
                        return FPGA_SUCCESS;
                } else {
-                       printf("%s: No FPGA devices available.\n", __func__);
+                       log_err("No FPGA devices available.\n");
                        return FPGA_FAIL;
                }
        }
diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c
index c46513226d9..28c68faba55 100644
--- a/drivers/fpga/xilinx.c
+++ b/drivers/fpga/xilinx.c
@@ -49,7 +49,7 @@ int fpga_loadbitstream(int devnum, char *fpgadata, size_t 
size,
 
        dataptr = (unsigned char *)fpgadata;
        /* Find out fpga_description */
-       desc = fpga_validate(devnum, dataptr, 0, (char *)__func__);
+       desc = fpga_validate(devnum, dataptr, 0);
        /* Assign xilinx device description */
        xdesc = desc->devdesc;
 
diff --git a/include/fpga.h b/include/fpga.h
index 4cc44164b2f..a144238e66a 100644
--- a/include/fpga.h
+++ b/include/fpga.h
@@ -79,7 +79,7 @@ int fpga_loadbitstream(int devnum, char *fpgadata, size_t 
size,
 int fpga_dump(int devnum, const void *buf, size_t bsize);
 int fpga_info(int devnum);
 const fpga_desc *fpga_validate(int devnum, const void *buf,
-                              size_t bsize, char *fn);
+                              size_t bsize);
 int fpga_compatible2flag(int devnum, const char *compatible);
 
 #endif /* _FPGA_H_ */
-- 
2.48.1

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