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gpu: host1x: Fix build warnings

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When debugfs support isn't enabled, gcc complains about some variables
being unused. To avoid further #ifdefery, move debugfs specific setup
code into static functions and use IS_ENABLED(CONFIG_DEBUG_FS) to have
the compiler, rather than the preprocessor, discard them when unused.
The advantage of doing it this way is that all the code will be
compile-tested whether or not debugfs support is enabled.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2013-12-03 11:44:48 +01:00
parent 6f44c2b528
commit 8e0d788c6f
1 changed files with 8 additions and 5 deletions
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13
drivers/gpu/host1x/debug.c
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@ -96,7 +96,6 @@ static void show_all(struct host1x *m, struct output *o)
show_channels(ch, o, true);
}
#ifdef CONFIG_DEBUG_FS
static void show_all_no_fifo(struct host1x *host1x, struct output *o)
{
struct host1x_channel *ch;
@ -153,7 +152,7 @@ static const struct file_operations host1x_debug_fops = {
.release = single_release,
};
void host1x_debug_init(struct host1x *host1x)
static void host1x_debugfs_init(struct host1x *host1x)
{
struct dentry *de = debugfs_create_dir("tegra-host1x", NULL);
@ -180,18 +179,22 @@ void host1x_debug_init(struct host1x *host1x)
&host1x_debug_force_timeout_channel);
}
void host1x_debug_deinit(struct host1x *host1x)
static void host1x_debugfs_exit(struct host1x *host1x)
{
debugfs_remove_recursive(host1x->debugfs);
}
#else
void host1x_debug_init(struct host1x *host1x)
{
if (IS_ENABLED(CONFIG_DEBUG_FS))
host1x_debugfs_init(host1x);
}
void host1x_debug_deinit(struct host1x *host1x)
{
if (IS_ENABLED(CONFIG_DEBUG_FS))
host1x_debugfs_exit(host1x);
}
#endif
void host1x_debug_dump(struct host1x *host1x)
{