Merge branch 'for-2.6.33' of git://linux-nfs.org/~bfields/linux

[sfrench/cifs-2.6.git] / arch / arm / mach-omap2 / mux.c

diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 459ef23ab8a818539aaa0da0464d5cf9e7af49bd..5fedc50c58e4ff05028397dde2f325d7773a0c3d 100644 (file)
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -51,7 +51,7 @@ struct omap_mux_entry {
 static unsigned long mux_phys;
 static void __iomem *mux_base;
 
-static inline u16 omap_mux_read(u16 reg)
+u16 omap_mux_read(u16 reg)
 {
        if (cpu_is_omap24xx())
                return __raw_readb(mux_base + reg);
@@ -59,7 +59,7 @@ static inline u16 omap_mux_read(u16 reg)
                return __raw_readw(mux_base + reg);
 }
 
-static inline void omap_mux_write(u16 val, u16 reg)
+void omap_mux_write(u16 val, u16 reg)
 {
        if (cpu_is_omap24xx())
                __raw_writeb(val, mux_base + reg);
@@ -67,6 +67,14 @@ static inline void omap_mux_write(u16 val, u16 reg)
                __raw_writew(val, mux_base + reg);
 }
 
+void omap_mux_write_array(struct omap_board_mux *board_mux)
+{
+       while (board_mux->reg_offset !=  OMAP_MUX_TERMINATOR) {
+               omap_mux_write(board_mux->value, board_mux->reg_offset);
+               board_mux++;
+       }
+}
+
 #if defined(CONFIG_ARCH_OMAP24XX) && defined(CONFIG_OMAP_MUX)
 
 static struct omap_mux_cfg arch_mux_cfg;
@@ -478,7 +486,7 @@ int __init omap_mux_init_signal(char *muxname, int val)
 static inline void omap_mux_decode(struct seq_file *s, u16 val)
 {
        char *flags[OMAP_MUX_MAX_NR_FLAGS];
-       char mode[14];
+       char mode[sizeof("OMAP_MUX_MODE") + 1];
        int i = -1;
 
        sprintf(mode, "OMAP_MUX_MODE%d", val & 0x7);
@@ -545,6 +553,7 @@ static int omap_mux_dbg_board_show(struct seq_file *s, void *unused)
                if (!m0_name)
                        continue;
 
+               /* REVISIT: Needs to be updated if mode0 names get longer */
                for (i = 0; i < OMAP_MUX_DEFNAME_LEN; i++) {
                        if (m0_name[i] == '\0') {
                                m0_def[i] = m0_name[i];
@@ -833,14 +842,6 @@ static void __init omap_mux_set_cmdline_signals(void)
        kfree(options);
 }
 
-static void __init omap_mux_set_board_signals(struct omap_board_mux *board_mux)
-{
-       while (board_mux->reg_offset !=  OMAP_MUX_TERMINATOR) {
-               omap_mux_write(board_mux->value, board_mux->reg_offset);
-               board_mux++;
-       }
-}
-
 static int __init omap_mux_copy_names(struct omap_mux *src,
                                        struct omap_mux *dst)
 {
@@ -968,6 +969,13 @@ static void __init omap_mux_init_list(struct omap_mux *superset)
                }
 #endif
 
+#if defined(CONFIG_OMAP_MUX) && defined(CONFIG_DEBUG_FS)
+               if (!superset->muxnames || !superset->muxnames[0]) {
+                       superset++;
+                       continue;
+               }
+#endif
+
                entry = omap_mux_list_add(superset);
                if (!entry) {
                        printk(KERN_ERR "mux: Could not add entry\n");
@@ -998,12 +1006,15 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size,
                omap_mux_package_fixup(package_subset, superset);
        if (package_balls)
                omap_mux_package_init_balls(package_balls, superset);
-       omap_mux_set_cmdline_signals();
-       omap_mux_set_board_signals(board_mux);
 #endif
 
        omap_mux_init_list(superset);
 
+#ifdef CONFIG_OMAP_MUX
+       omap_mux_set_cmdline_signals();
+       omap_mux_write_array(board_mux);
+#endif
+
        return 0;
 }