diff options
| author | Jeremy Kerr <jk@ozlabs.org> | 2006-07-12 15:41:18 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-07-31 15:55:06 +1000 |
| commit | abddd185a0195988b8a5e802d55aff91783489de (patch) | |
| tree | b155a1d9aef8c34fafbf54ab7ed829726522913e /sound/ppc | |
| parent | 1a2509c946bfd4d4a4c5a6e816082d3a7de45db8 (diff) | |
| download | lwn-abddd185a0195988b8a5e802d55aff91783489de.tar.gz lwn-abddd185a0195988b8a5e802d55aff91783489de.zip | |
[POWERPC] sound: Constify & voidify get_property()
Now that get_property() returns a void *, there's no need to cast its
return value. Also, treat the return value as const, so we can
constify get_property later.
powerpc-specific sound driver changes.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'sound/ppc')
| -rw-r--r-- | sound/ppc/tumbler.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c index 692c61177678..b94ecd0ebab2 100644 --- a/sound/ppc/tumbler.c +++ b/sound/ppc/tumbler.c @@ -1035,7 +1035,7 @@ static struct device_node *find_audio_device(const char *name) return NULL; for (np = np->child; np; np = np->sibling) { - char *property = get_property(np, "audio-gpio", NULL); + const char *property = get_property(np, "audio-gpio", NULL); if (property && strcmp(property, name) == 0) return np; } @@ -1062,7 +1062,8 @@ static long tumbler_find_device(const char *device, const char *platform, struct pmac_gpio *gp, int is_compatible) { struct device_node *node; - u32 *base, addr; + const u32 *base; + u32 addr; if (is_compatible) node = find_compatible_audio_device(device); @@ -1074,9 +1075,9 @@ static long tumbler_find_device(const char *device, const char *platform, return -ENODEV; } - base = (u32 *)get_property(node, "AAPL,address", NULL); + base = get_property(node, "AAPL,address", NULL); if (! base) { - base = (u32 *)get_property(node, "reg", NULL); + base = get_property(node, "reg", NULL); if (!base) { DBG("(E) cannot find address for device %s !\n", device); snd_printd("cannot find address for device %s\n", device); @@ -1090,13 +1091,13 @@ static long tumbler_find_device(const char *device, const char *platform, gp->addr = addr & 0x0000ffff; /* Try to find the active state, default to 0 ! */ - base = (u32 *)get_property(node, "audio-gpio-active-state", NULL); + base = get_property(node, "audio-gpio-active-state", NULL); if (base) { gp->active_state = *base; gp->active_val = (*base) ? 0x5 : 0x4; gp->inactive_val = (*base) ? 0x4 : 0x5; } else { - u32 *prop = NULL; + const u32 *prop = NULL; gp->active_state = 0; gp->active_val = 0x4; gp->inactive_val = 0x5; @@ -1105,7 +1106,7 @@ static long tumbler_find_device(const char *device, const char *platform, * as we don't yet have an interpreter for these things */ if (platform) - prop = (u32 *)get_property(node, platform, NULL); + prop = get_property(node, platform, NULL); if (prop) { if (prop[3] == 0x9 && prop[4] == 0x9) { gp->active_val = 0xd; |