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Diffstat (limited to 'drivers/mtd/chips/cfi_util.c')
-rw-r--r--drivers/mtd/chips/cfi_util.c26
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index 8d7553670526..34d40e25d312 100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
@@ -24,8 +24,8 @@
#include <linux/mtd/cfi.h>
#include <linux/mtd/compatmac.h>
-int __xipram qry_present(struct map_info *map, __u32 base,
- struct cfi_private *cfi)
+int __xipram cfi_qry_present(struct map_info *map, __u32 base,
+ struct cfi_private *cfi)
{
int osf = cfi->interleave * cfi->device_type; /* scale factor */
map_word val[3];
@@ -50,35 +50,39 @@ int __xipram qry_present(struct map_info *map, __u32 base,
return 1; /* "QRY" found */
}
+EXPORT_SYMBOL_GPL(cfi_qry_present);
-int __xipram qry_mode_on(uint32_t base, struct map_info *map,
- struct cfi_private *cfi)
+int __xipram cfi_qry_mode_on(uint32_t base, struct map_info *map,
+ struct cfi_private *cfi)
{
cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
- if (qry_present(map, base, cfi))
+ if (cfi_qry_present(map, base, cfi))
return 1;
/* QRY not found probably we deal with some odd CFI chips */
/* Some revisions of some old Intel chips? */
cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
- if (qry_present(map, base, cfi))
+ if (cfi_qry_present(map, base, cfi))
return 1;
/* ST M29DW chips */
cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0x98, 0x555, base, map, cfi, cfi->device_type, NULL);
- if (qry_present(map, base, cfi))
+ if (cfi_qry_present(map, base, cfi))
return 1;
/* QRY not found */
return 0;
}
-void __xipram qry_mode_off(uint32_t base, struct map_info *map,
- struct cfi_private *cfi)
+EXPORT_SYMBOL_GPL(cfi_qry_mode_on);
+
+void __xipram cfi_qry_mode_off(uint32_t base, struct map_info *map,
+ struct cfi_private *cfi)
{
cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
}
+EXPORT_SYMBOL_GPL(cfi_qry_mode_off);
struct cfi_extquery *
__xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* name)
@@ -104,7 +108,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
#endif
/* Switch it into Query Mode */
- qry_mode_on(base, map, cfi);
+ cfi_qry_mode_on(base, map, cfi);
/* Read in the Extended Query Table */
for (i=0; i<size; i++) {
((unsigned char *)extp)[i] =
@@ -112,7 +116,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
}
/* Make sure it returns to read mode */
- qry_mode_off(base, map, cfi);
+ cfi_qry_mode_off(base, map, cfi);
#ifdef CONFIG_MTD_XIP
(void) map_read(map, base);
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