Prefix the flash status codes (ERR_*) with FL_ in order to avoid clashes
with third-party libraries. Case in point: including the lwIP library
header file <lwip/err.h> which defines err_enum_t as an enum with values
being ERR_*.

Signed-off-by: Jerome Forissier <jerome.foriss...@linaro.org>
---
 board/cobra5272/flash.c           | 26 +++++++++---------
 board/freescale/m5253demo/flash.c |  6 ++---
 common/flash.c                    | 44 +++++++++++++++----------------
 drivers/mtd/cfi_flash.c           | 36 ++++++++++++-------------
 include/flash.h                   | 20 +++++++-------
 5 files changed, 66 insertions(+), 66 deletions(-)

diff --git a/board/cobra5272/flash.c b/board/cobra5272/flash.c
index 8416af163ad..6464975f184 100644
--- a/board/cobra5272/flash.c
+++ b/board/cobra5272/flash.c
@@ -134,22 +134,22 @@ int flash_erase(flash_info_t *info, int s_first, int 
s_last)
 {
        ulong result;
        int iflag, cflag, prot, sect;
-       int rc = ERR_OK;
+       int rc = FL_ERR_OK;
        int chip1;
        ulong start;
 
        /* first look for protection bits */
 
        if (info->flash_id == FLASH_UNKNOWN)
-               return ERR_UNKNOWN_FLASH_TYPE;
+               return FL_ERR_UNKNOWN_FLASH_TYPE;
 
        if ((s_first < 0) || (s_first > s_last)) {
-               return ERR_INVAL;
+               return FL_ERR_INVAL;
        }
 
        if ((info->flash_id & FLASH_VENDMASK) !=
            (AMD_MANUFACT & FLASH_VENDMASK)) {
-               return ERR_UNKNOWN_FLASH_VENDOR;
+               return FL_ERR_UNKNOWN_FLASH_VENDOR;
        }
 
        prot = 0;
@@ -159,7 +159,7 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
                }
        }
        if (prot)
-               return ERR_PROTECTED;
+               return FL_ERR_PROTECTED;
 
        /*
         * Disable interrupts which might cause a timeout
@@ -216,11 +216,11 @@ int flash_erase(flash_info_t *info, int s_first, int 
s_last)
                        MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
 
                        if (chip1 == ERR) {
-                               rc = ERR_PROG_ERROR;
+                               rc = FL_ERR_PROG_ERROR;
                                goto outahere;
                        }
                        if (chip1 == TMO) {
-                               rc = ERR_TIMEOUT;
+                               rc = FL_ERR_TIMEOUT;
                                goto outahere;
                        }
 
@@ -251,7 +251,7 @@ static int write_word(flash_info_t *info, ulong dest, ulong 
data)
 {
        volatile u16 *addr = (volatile u16 *) dest;
        ulong result;
-       int rc = ERR_OK;
+       int rc = FL_ERR_OK;
        int cflag, iflag;
        int chip1;
        ulong start;
@@ -261,7 +261,7 @@ static int write_word(flash_info_t *info, ulong dest, ulong 
data)
         */
        result = *addr;
        if ((result & data) != data)
-               return ERR_NOT_ERASED;
+               return FL_ERR_NOT_ERASED;
 
 
        /*
@@ -302,7 +302,7 @@ static int write_word(flash_info_t *info, ulong dest, ulong 
data)
        *addr = CMD_READ_ARRAY;
 
        if (chip1 == ERR || *addr != data)
-               rc = ERR_PROG_ERROR;
+               rc = FL_ERR_PROG_ERROR;
 
        if (iflag)
                enable_interrupts();
@@ -321,13 +321,13 @@ int write_buff(flash_info_t *info, uchar *src, ulong 
addr, ulong cnt)
 
        if (addr & 1) {
                printf ("unaligned destination not supported\n");
-               return ERR_ALIGN;
+               return FL_ERR_ALIGN;
        }
 
 #if 0
        if (cnt & 1) {
                printf ("odd transfer sizes not supported\n");
-               return ERR_ALIGN;
+               return FL_ERR_ALIGN;
        }
 #endif
 
@@ -365,5 +365,5 @@ int write_buff(flash_info_t *info, uchar *src, ulong addr, 
ulong cnt)
                cnt -= 1;
        }
 
-       return ERR_OK;
+       return FL_ERR_OK;
 }
diff --git a/board/freescale/m5253demo/flash.c 
b/board/freescale/m5253demo/flash.c
index eeb9cfd3125..b6b7df88761 100644
--- a/board/freescale/m5253demo/flash.c
+++ b/board/freescale/m5253demo/flash.c
@@ -71,7 +71,7 @@ int flash_get_offsets(ulong base, flash_info_t * info)
                }
        }
 
-       return ERR_OK;
+       return FL_ERR_OK;
 }
 
 void flash_print_info(flash_info_t * info)
@@ -368,9 +368,9 @@ int write_buff(flash_info_t * info, uchar * src, ulong 
addr, ulong cnt)
        }
 
        if (cnt == 0)
-               return ERR_OK;
+               return FL_ERR_OK;
 
-       return ERR_OK;
+       return FL_ERR_OK;
 }
 
 /*-----------------------------------------------------------------------
diff --git a/common/flash.c b/common/flash.c
index 848f44e59df..99fd84e2aef 100644
--- a/common/flash.c
+++ b/common/flash.c
@@ -110,13 +110,13 @@ addr2info(ulong addr)
  * Make sure all target addresses are within Flash bounds,
  * and no protected sectors are hit.
  * Returns:
- * ERR_OK          0 - OK
- * ERR_TIMEOUT     1 - write timeout
- * ERR_NOT_ERASED  2 - Flash not erased
- * ERR_PROTECTED   4 - target range includes protected sectors
- * ERR_INVAL       8 - target address not in Flash memory
- * ERR_ALIGN       16 - target address not aligned on boundary
- *                     (only some targets require alignment)
+ * FL_ERR_OK          0 - OK
+ * FL_ERR_TIMEOUT     1 - write timeout
+ * FL_ERR_NOT_ERASED  2 - Flash not erased
+ * FL_ERR_PROTECTED   4 - target range includes protected sectors
+ * FL_ERR_INVAL       8 - target address not in Flash memory
+ * FL_ERR_ALIGN       16 - target address not aligned on boundary
+ *                        (only some targets require alignment)
  */
 int
 flash_write(char *src, ulong addr, ulong cnt)
@@ -131,11 +131,11 @@ flash_write(char *src, ulong addr, ulong cnt)
        __maybe_unused ulong cnt_orig = cnt;
 
        if (cnt == 0) {
-               return (ERR_OK);
+               return (FL_ERR_OK);
        }
 
        if (!info_first || !info_last) {
-               return (ERR_INVAL);
+               return (FL_ERR_INVAL);
        }
 
        for (info = info_first; info <= info_last; ++info) {
@@ -146,7 +146,7 @@ flash_write(char *src, ulong addr, ulong cnt)
 
                        if ((end >= info->start[i]) && (addr < e_addr) &&
                            (info->protect[i] != 0) ) {
-                               return (ERR_PROTECTED);
+                               return (FL_ERR_PROTECTED);
                        }
                }
        }
@@ -169,11 +169,11 @@ flash_write(char *src, ulong addr, ulong cnt)
 #if defined(CONFIG_FLASH_VERIFY)
        if (memcmp(src_orig, addr_orig, cnt_orig)) {
                printf("\nVerify failed!\n");
-               return ERR_PROG_ERROR;
+               return FL_ERR_PROG_ERROR;
        }
 #endif /* CONFIG_SYS_FLASH_VERIFY_AFTER_WRITE */
 
-       return (ERR_OK);
+       return (FL_ERR_OK);
 }
 
 /*-----------------------------------------------------------------------
@@ -182,33 +182,33 @@ flash_write(char *src, ulong addr, ulong cnt)
 void flash_perror(int err)
 {
        switch (err) {
-       case ERR_OK:
+       case FL_ERR_OK:
                break;
-       case ERR_TIMEOUT:
+       case FL_ERR_TIMEOUT:
                puts ("Timeout writing to Flash\n");
                break;
-       case ERR_NOT_ERASED:
+       case FL_ERR_NOT_ERASED:
                puts ("Flash not Erased\n");
                break;
-       case ERR_PROTECTED:
+       case FL_ERR_PROTECTED:
                puts ("Can't write to protected Flash sectors\n");
                break;
-       case ERR_INVAL:
+       case FL_ERR_INVAL:
                puts ("Outside available Flash\n");
                break;
-       case ERR_ALIGN:
+       case FL_ERR_ALIGN:
                puts ("Start and/or end address not on sector boundary\n");
                break;
-       case ERR_UNKNOWN_FLASH_VENDOR:
+       case FL_ERR_UNKNOWN_FLASH_VENDOR:
                puts ("Unknown Vendor of Flash\n");
                break;
-       case ERR_UNKNOWN_FLASH_TYPE:
+       case FL_ERR_UNKNOWN_FLASH_TYPE:
                puts ("Unknown Type of Flash\n");
                break;
-       case ERR_PROG_ERROR:
+       case FL_ERR_PROG_ERROR:
                puts ("General Flash Programming Error\n");
                break;
-       case ERR_ABORTED:
+       case FL_ERR_ABORTED:
                puts("Flash Programming Aborted\n");
                break;
        default:
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 8ade7949a68..6369c7127c6 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -592,11 +592,11 @@ static int flash_status_check(flash_info_t *info, 
flash_sect_t sector,
                               flash_read_long(info, sector, 0));
                        flash_write_cmd(info, sector, 0, info->cmd_reset);
                        udelay(1);
-                       return ERR_TIMEOUT;
+                       return FL_ERR_TIMEOUT;
                }
                udelay(1);              /* also triggers watchdog */
        }
-       return ERR_OK;
+       return FL_ERR_OK;
 }
 
 /*-----------------------------------------------------------------------
@@ -615,9 +615,9 @@ static int flash_full_status_check(flash_info_t *info, 
flash_sect_t sector,
        case CFI_CMDSET_INTEL_PROG_REGIONS:
        case CFI_CMDSET_INTEL_EXTENDED:
        case CFI_CMDSET_INTEL_STANDARD:
-               if (retcode == ERR_OK &&
+               if (retcode == FL_ERR_OK &&
                    !flash_isset(info, sector, 0, FLASH_STATUS_DONE)) {
-                       retcode = ERR_INVAL;
+                       retcode = FL_ERR_INVAL;
                        printf("Flash %s error at address %lx\n", prompt,
                               info->start[sector]);
                        if (flash_isset(info, sector, 0, FLASH_STATUS_ECLBS |
@@ -626,14 +626,14 @@ static int flash_full_status_check(flash_info_t *info, 
flash_sect_t sector,
                        } else if (flash_isset(info, sector, 0,
                                                FLASH_STATUS_ECLBS)) {
                                puts("Block Erase Error.\n");
-                               retcode = ERR_NOT_ERASED;
+                               retcode = FL_ERR_NOT_ERASED;
                        } else if (flash_isset(info, sector, 0,
                                                FLASH_STATUS_PSLBS)) {
                                puts("Locking Error\n");
                        }
                        if (flash_isset(info, sector, 0, FLASH_STATUS_DPS)) {
                                puts("Block locked.\n");
-                               retcode = ERR_PROTECTED;
+                               retcode = FL_ERR_PROTECTED;
                        }
                        if (flash_isset(info, sector, 0, FLASH_STATUS_VPENS))
                                puts("Vpp Low Error.\n");
@@ -701,12 +701,12 @@ static int flash_status_poll(flash_info_t *info, void 
*src, void *dst,
                if (get_timer(start) > tout) {
                        printf("Flash %s timeout at address %lx data %lx\n",
                               prompt, (ulong)dst, (ulong)flash_read8(dst));
-                       return ERR_TIMEOUT;
+                       return FL_ERR_TIMEOUT;
                }
                udelay(1);              /* also triggers watchdog */
        }
 #endif /* CONFIG_SYS_CFI_FLASH_STATUS_POLL */
-       return ERR_OK;
+       return FL_ERR_OK;
 }
 
 /*-----------------------------------------------------------------------
@@ -809,7 +809,7 @@ static int flash_write_cfiword(flash_info_t *info, ulong 
dest, cfiword_t cword)
                break;
        }
        if (!flag)
-               return ERR_NOT_ERASED;
+               return FL_ERR_NOT_ERASED;
 
        /* Disable interrupts which might cause a timeout here */
        flag = disable_interrupts();
@@ -898,7 +898,7 @@ static int flash_write_cfibuffer(flash_info_t *info, ulong 
dest, uchar *cp,
                shift = 3;
                break;
        default:
-               retcode = ERR_INVAL;
+               retcode = FL_ERR_INVAL;
                goto out_unmap;
        }
 
@@ -929,7 +929,7 @@ static int flash_write_cfibuffer(flash_info_t *info, ulong 
dest, uchar *cp,
                }
        }
        if (!flag) {
-               retcode = ERR_NOT_ERASED;
+               retcode = FL_ERR_NOT_ERASED;
                goto out_unmap;
        }
 
@@ -949,7 +949,7 @@ static int flash_write_cfibuffer(flash_info_t *info, ulong 
dest, uchar *cp,
                retcode = flash_status_check(info, sector,
                                             info->buffer_write_tout,
                                             "write to buffer");
-               if (retcode == ERR_OK) {
+               if (retcode == FL_ERR_OK) {
                        /* reduce the number of loops by the width of
                         * the port
                         */
@@ -974,7 +974,7 @@ static int flash_write_cfibuffer(flash_info_t *info, ulong 
dest, uchar *cp,
                                        src += 8, dst += 8;
                                        break;
                                default:
-                                       retcode = ERR_INVAL;
+                                       retcode = FL_ERR_INVAL;
                                        goto out_unmap;
                                }
                        }
@@ -1024,7 +1024,7 @@ static int flash_write_cfibuffer(flash_info_t *info, 
ulong dest, uchar *cp,
                        }
                        break;
                default:
-                       retcode = ERR_INVAL;
+                       retcode = FL_ERR_INVAL;
                        goto out_unmap;
                }
 
@@ -1042,7 +1042,7 @@ static int flash_write_cfibuffer(flash_info_t *info, 
ulong dest, uchar *cp,
 
        default:
                debug("Unknown Command Set\n");
-               retcode = ERR_INVAL;
+               retcode = FL_ERR_INVAL;
                break;
        }
 
@@ -1388,7 +1388,7 @@ int write_buff(flash_info_t *info, uchar *src, ulong 
addr, ulong cnt)
                if (i > cnt)
                        i = cnt;
                rc = flash_write_cfibuffer(info, wp, src, i);
-               if (rc != ERR_OK)
+               if (rc != FL_ERR_OK)
                        return rc;
                i -= i & (info->portwidth - 1);
                wp += i;
@@ -1397,7 +1397,7 @@ int write_buff(flash_info_t *info, uchar *src, ulong 
addr, ulong cnt)
                FLASH_SHOW_PROGRESS(scale, dots, digit, i);
                /* Only check every once in a while */
                if ((cnt & 0xFFFF) < buffered_size && ctrlc())
-                       return ERR_ABORTED;
+                       return FL_ERR_ABORTED;
        }
 #else
        while (cnt >= info->portwidth) {
@@ -1412,7 +1412,7 @@ int write_buff(flash_info_t *info, uchar *src, ulong 
addr, ulong cnt)
                FLASH_SHOW_PROGRESS(scale, dots, digit, info->portwidth);
                /* Only check every once in a while */
                if ((cnt & 0xFFFF) < info->portwidth && ctrlc())
-                       return ERR_ABORTED;
+                       return FL_ERR_ABORTED;
        }
 #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */
 
diff --git a/include/flash.h b/include/flash.h
index 3710a2731b7..77bee42f76b 100644
--- a/include/flash.h
+++ b/include/flash.h
@@ -125,16 +125,16 @@ void flash_perror(int err);
 /*-----------------------------------------------------------------------
  * return codes from flash_write():
  */
-#define ERR_OK                         0
-#define ERR_TIMEOUT                    1
-#define ERR_NOT_ERASED                 2
-#define ERR_PROTECTED                  4
-#define ERR_INVAL                      8
-#define ERR_ALIGN                      16
-#define ERR_UNKNOWN_FLASH_VENDOR       32
-#define ERR_UNKNOWN_FLASH_TYPE         64
-#define ERR_PROG_ERROR                 128
-#define ERR_ABORTED                    256
+#define FL_ERR_OK                      0
+#define FL_ERR_TIMEOUT                 1
+#define FL_ERR_NOT_ERASED              2
+#define FL_ERR_PROTECTED               4
+#define FL_ERR_INVAL                   8
+#define FL_ERR_ALIGN                   16
+#define FL_ERR_UNKNOWN_FLASH_VENDOR    32
+#define FL_ERR_UNKNOWN_FLASH_TYPE      64
+#define FL_ERR_PROG_ERROR              128
+#define FL_ERR_ABORTED                 256
 
 /*-----------------------------------------------------------------------
  * Protection Flags for flash_protect():
-- 
2.40.1

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