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authorDavid Woodhouse <dwmw2@infradead.org>2006-05-21 18:38:51 +0100
committerDavid Woodhouse <dwmw2@infradead.org>2006-05-21 18:38:51 +0100
commitecde26313076e5055dcd54d6537632275346203f (patch)
treec6b0f54717bd50efaf984ec88156b94af859a366 /drivers/mtd/devices
parent3d12c0c75db0cd85beb11c4e2d86a49cabe3cfff (diff)
[MTD] Use symbol_request() in old DiskOnChip probe code to find actual driver
The previous code wouldn't work correctly on architectures which have a non-empty MODULE_SYMBOL_PREFIX, and this version is neater if slightly less optimal in the built-in case. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd/devices')
-rw-r--r--drivers/mtd/devices/docprobe.c47
1 files changed, 5 insertions, 42 deletions
diff --git a/drivers/mtd/devices/docprobe.c b/drivers/mtd/devices/docprobe.c
index dce4c904b63..593bb033a3f 100644
--- a/drivers/mtd/devices/docprobe.c
+++ b/drivers/mtd/devices/docprobe.c
@@ -231,26 +231,9 @@ static inline int __init doccheck(void __iomem *potential, unsigned long physadr
static int docfound;
-#ifdef CONFIG_MTD_DOC2000
extern void DoC2k_init(struct mtd_info *);
-#define doc2k_initfunc (&DoC2k_init)
-#else
-#define doc2k_initfunc NULL
-#endif
-
-#ifdef CONFIG_MTD_DOC2001
extern void DoCMil_init(struct mtd_info *);
-#define docmil_initfunc (&DoCMil_init)
-#else
-#define docmil_initfunc NULL
-#endif
-
-#ifdef CONFIG_MTD_DOC2001PLUS
extern void DoCMilPlus_init(struct mtd_info *);
-#define docmplus_initfunc (&DoCMilPlus_init)
-#else
-#define docmplus_initfunc NULL
-#endif
static void __init DoC_Probe(unsigned long physadr)
{
@@ -260,8 +243,6 @@ static void __init DoC_Probe(unsigned long physadr)
int ChipID;
char namebuf[15];
char *name = namebuf;
- char *im_funcname = NULL;
- char *im_modname = NULL;
void (*initroutine)(struct mtd_info *) = NULL;
docptr = ioremap(physadr, DOC_IOREMAP_LEN);
@@ -299,48 +280,30 @@ static void __init DoC_Probe(unsigned long physadr)
switch(ChipID) {
case DOC_ChipID_Doc2kTSOP:
name="2000 TSOP";
- im_funcname = "DoC2k_init";
- im_modname = "doc2000";
- initroutine = doc2k_initfunc;
+ initroutine = symbol_request(DoC2k_init);
break;
case DOC_ChipID_Doc2k:
name="2000";
- im_funcname = "DoC2k_init";
- im_modname = "doc2000";
- initroutine = doc2k_initfunc;
+ initroutine = symbol_request(DoC2k_init);
break;
case DOC_ChipID_DocMil:
name="Millennium";
#ifdef DOC_SINGLE_DRIVER
- im_funcname = "DoC2k_init";
- im_modname = "doc2000";
- initroutine = doc2k_initfunc;
+ initroutine = symbol_request(DoC2k_init);
#else
- im_funcname = "DoCMil_init";
- im_modname = "doc2001";
- initroutine = docmil_initfunc;
+ initroutine = symbol_request(DoCMil_init);
#endif /* DOC_SINGLE_DRIVER */
break;
case DOC_ChipID_DocMilPlus16:
case DOC_ChipID_DocMilPlus32:
name="MillenniumPlus";
- im_funcname = "DoCMilPlus_init";
- im_modname = "doc2001plus";
- initroutine = docmplus_initfunc;
+ initroutine = symbol_request(DoCMilPlus_init);
break;
}
-#ifdef CONFIG_MODULES
- if (im_funcname && !initroutine)
- initroutine = __symbol_get(im_funcname);
- if (im_funcname && !initroutine) {
- request_module(im_modname);
- initroutine = __symbol_get(im_funcname);
- }
-#endif
if (initroutine) {
(*initroutine)(mtd);
symbol_put_addr(initroutine);