Remove use of inter_module_crap in NOR flash chip drivers.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

7 files changed, 20 insertions, 93 deletions

diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig
index a7ec5954caf5..6d8f30deb868 100644
--- a/drivers/mtd/chips/Kconfig
+++ b/drivers/mtd/chips/Kconfig
@@ -30,7 +30,6 @@ config MTD_JEDECPROBE
 
 config MTD_GEN_PROBE
 	tristate
-	select OBSOLETE_INTERMODULE
 
 config MTD_CFI_ADV_OPTIONS
 	bool "Flash chip driver advanced configuration options"
diff --git a/drivers/mtd/chips/Makefile b/drivers/mtd/chips/Makefile
index 8afe3092c4e3..75bc1c2a0f43 100644
--- a/drivers/mtd/chips/Makefile
+++ b/drivers/mtd/chips/Makefile
@@ -3,13 +3,6 @@
 #
 # $Id: Makefile.common,v 1.5 2005/11/07 11:14:22 gleixner Exp $
 
-#                       *** BIG UGLY NOTE ***
-#
-# The removal of get_module_symbol() and replacement with
-# inter_module_register() et al has introduced a link order dependency
-# here where previously there was none.  We now have to ensure that
-# the CFI command set drivers are linked before gen_probe.o
-
 obj-$(CONFIG_MTD)		+= chipreg.o
 obj-$(CONFIG_MTD_AMDSTD)	+= amd_flash.o
 obj-$(CONFIG_MTD_CFI)		+= cfi_probe.o
diff --git a/drivers/mtd/chips/amd_flash.c b/drivers/mtd/chips/amd_flash.c
index 57115618c496..9e466509a23d 100644
--- a/drivers/mtd/chips/amd_flash.c
+++ b/drivers/mtd/chips/amd_flash.c
@@ -97,7 +97,6 @@ struct amd_flash_private {
 	int interleave;
 	int numchips;
 	unsigned long chipshift;
-//	const char *im_name;
 	struct flchip chips[0];
 };
 
@@ -131,12 +130,6 @@ static struct mtd_chip_driver amd_flash_chipdrv = {
 	.module = THIS_MODULE
 };
 
-
-
-static const char im_name[] = "amd_flash";
-
-
-
 static inline __u32 wide_read(struct map_info *map, __u32 addr)
 {
 	if (map->buswidth == 1) {
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 1c074d63ff3a..fe00af3f9195 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -331,13 +331,6 @@ read_pri_intelext(struct map_info *map, __u16 adr)
 	return extp;
 }
 
-/* This routine is made available to other mtd code via
- * inter_module_register.  It must only be accessed through
- * inter_module_get which will bump the use count of this module.  The
- * addresses passed back in cfi are valid as long as the use count of
- * this module is non-zero, i.e. between inter_module_get and
- * inter_module_put.  Keith Owens <kaos@ocs.com.au> 29 Oct 2000.
- */
 struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
 {
 	struct cfi_private *cfi = map->fldrv_priv;
@@ -415,6 +408,11 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
 
 	return cfi_intelext_setup(mtd);
 }
+struct mtd_info *cfi_cmdset_0003(struct map_info *map, int primary) __attribute__((alias("cfi_cmdset_0001")));
+struct mtd_info *cfi_cmdset_0200(struct map_info *map, int primary) __attribute__((alias("cfi_cmdset_0001")));
+EXPORT_SYMBOL_GPL(cfi_cmdset_0001);
+EXPORT_SYMBOL_GPL(cfi_cmdset_0003);
+EXPORT_SYMBOL_GPL(cfi_cmdset_0200);
 
 static struct mtd_info *cfi_intelext_setup(struct mtd_info *mtd)
 {
@@ -2445,28 +2443,8 @@ static void cfi_intelext_destroy(struct mtd_info *mtd)
 	kfree(mtd->eraseregions);
 }
 
-static char im_name_0001[] = "cfi_cmdset_0001";
-static char im_name_0003[] = "cfi_cmdset_0003";
-static char im_name_0200[] = "cfi_cmdset_0200";
-
-static int __init cfi_intelext_init(void)
-{
-	inter_module_register(im_name_0001, THIS_MODULE, &cfi_cmdset_0001);
-	inter_module_register(im_name_0003, THIS_MODULE, &cfi_cmdset_0001);
-	inter_module_register(im_name_0200, THIS_MODULE, &cfi_cmdset_0001);
-	return 0;
-}
-
-static void __exit cfi_intelext_exit(void)
-{
-	inter_module_unregister(im_name_0001);
-	inter_module_unregister(im_name_0003);
-	inter_module_unregister(im_name_0200);
-}
-
-module_init(cfi_intelext_init);
-module_exit(cfi_intelext_exit);
-
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org> et al.");
 MODULE_DESCRIPTION("MTD chip driver for Intel/Sharp flash chips");
+MODULE_ALIAS("cfi_cmdset_0003");
+MODULE_ALIAS("cfi_cmdset_0200");
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index aed10bd5c3c3..26fb63ec67fa 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -326,7 +326,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
 
 	return cfi_amdstd_setup(mtd);
 }
-
+EXPORT_SYMBOL(cfi_cmdset_0002);
 
 static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
 {
@@ -1758,25 +1758,6 @@ static void cfi_amdstd_destroy(struct mtd_info *mtd)
 	kfree(mtd->eraseregions);
 }
 
-static char im_name[]="cfi_cmdset_0002";
-
-
-static int __init cfi_amdstd_init(void)
-{
-	inter_module_register(im_name, THIS_MODULE, &cfi_cmdset_0002);
-	return 0;
-}
-
-
-static void __exit cfi_amdstd_exit(void)
-{
-	inter_module_unregister(im_name);
-}
-
-
-module_init(cfi_amdstd_init);
-module_exit(cfi_amdstd_exit);
-
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Crossnet Co. <info@crossnet.co.jp> et al.");
 MODULE_DESCRIPTION("MTD chip driver for AMD/Fujitsu flash chips");
diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index 0807c1c91e55..37dd25536ca5 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -1410,20 +1410,4 @@ static void cfi_staa_destroy(struct mtd_info *mtd)
 	kfree(cfi);
 }
 
-static char im_name[]="cfi_cmdset_0020";
-
-static int __init cfi_staa_init(void)
-{
-	inter_module_register(im_name, THIS_MODULE, &cfi_cmdset_0020);
-	return 0;
-}
-
-static void __exit cfi_staa_exit(void)
-{
-	inter_module_unregister(im_name);
-}
-
-module_init(cfi_staa_init);
-module_exit(cfi_staa_exit);
-
 MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index 41bd59d20d85..9b252d2e4a70 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -194,25 +194,28 @@ static inline struct mtd_info *cfi_cmdset_unknown(struct map_info *map,
 {
 	struct cfi_private *cfi = map->fldrv_priv;
 	__u16 type = primary?cfi->cfiq->P_ID:cfi->cfiq->A_ID;
-#if defined(CONFIG_MODULES) && defined(HAVE_INTER_MODULE)
+#ifdef CONFIG_MODULES
 	char probename[32];
 	cfi_cmdset_fn_t *probe_function;
 
 	sprintf(probename, "cfi_cmdset_%4.4X", type);
 
-	probe_function = inter_module_get_request(probename, probename);
+	probe_function = (void *)symbol_get(probename);
+	if (!probe_function) {
+		request_module(probename);
+		probe_function = (void *)symbol_get(probename);
+	}
 
 	if (probe_function) {
 		struct mtd_info *mtd;
 
 		mtd = (*probe_function)(map, primary);
 		/* If it was happy, it'll have increased its own use count */
-		inter_module_put(probename);
+		symbol_put_addr(probe_function);
 		return mtd;
 	}
 #endif
-	printk(KERN_NOTICE "Support for command set %04X not present\n",
-	       type);
+	printk(KERN_NOTICE "Support for command set %04X not present\n", type);
 
 	return NULL;
 }
@@ -226,12 +229,8 @@ static struct mtd_info *check_cmd_set(struct map_info *map, int primary)
 		return NULL;
 
 	switch(type){
-		/* Urgh. Ifdefs. The version with weak symbols was
-		 * _much_ nicer. Shame it didn't seem to work on
-		 * anything but x86, really.
-		 * But we can't rely in inter_module_get() because
-		 * that'd mean we depend on link order.
-		 */
+		/* We need these for the !CONFIG_MODULES case,
+		   because symbol_get() doesn't work there */
 #ifdef CONFIG_MTD_CFI_INTELEXT
 	case 0x0001:
 	case 0x0003:
@@ -246,9 +245,9 @@ static struct mtd_info *check_cmd_set(struct map_info *map, int primary)
         case 0x0020:
 		return cfi_cmdset_0020(map, primary);
 #endif
+	default:
+		return cfi_cmdset_unknown(map, primary);
 	}
-
-	return cfi_cmdset_unknown(map, primary);
 }
 
 MODULE_LICENSE("GPL");