From 01ce74463718a6ca6b71ede2e68b9ecc74d3f177 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Wed, 18 Jan 2023 17:18:00 +0200 Subject: [PATCH] drm/i915/params: use generics for parameter debugfs file creation Replace the __builtin_strcmp() if ladder with generics. Signed-off-by: Jani Nikula Reviewed-by: Luca Coelho Link: https://patchwork.freedesktop.org/patch/msgid/20230118151800.3669913-4-jani.nikula@intel.com --- drivers/gpu/drm/i915/i915_debugfs_params.c | 33 ++++++++-------------- 1 file changed, 11 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs_params.c b/drivers/gpu/drm/i915/i915_debugfs_params.c index 783c8676eee2..614bde321589 100644 --- a/drivers/gpu/drm/i915/i915_debugfs_params.c +++ b/drivers/gpu/drm/i915/i915_debugfs_params.c @@ -230,27 +230,16 @@ i915_debugfs_create_charp(const char *name, umode_t mode, &i915_param_charp_fops); } -static __always_inline void -_i915_param_create_file(struct dentry *parent, const char *name, - const char *type, int mode, void *value) -{ - if (!mode) - return; - - if (!__builtin_strcmp(type, "bool")) - debugfs_create_bool(name, mode, parent, value); - else if (!__builtin_strcmp(type, "int")) - i915_debugfs_create_int(name, mode, parent, value); - else if (!__builtin_strcmp(type, "unsigned int")) - i915_debugfs_create_uint(name, mode, parent, value); - else if (!__builtin_strcmp(type, "unsigned long")) - debugfs_create_ulong(name, mode, parent, value); - else if (!__builtin_strcmp(type, "char *")) - i915_debugfs_create_charp(name, mode, parent, value); - else - WARN(1, "no debugfs fops defined for param type %s (i915.%s)\n", - type, name); -} +#define _i915_param_create_file(parent, name, mode, valp) \ + do { \ + if (mode) \ + _Generic(valp, \ + bool *: debugfs_create_bool, \ + int *: i915_debugfs_create_int, \ + unsigned int *: i915_debugfs_create_uint, \ + unsigned long *: debugfs_create_ulong, \ + char **: i915_debugfs_create_charp)(name, mode, parent, valp); \ + } while(0) /* add a subdirectory with files for each i915 param */ struct dentry *i915_debugfs_params(struct drm_i915_private *i915) @@ -269,7 +258,7 @@ struct dentry *i915_debugfs_params(struct drm_i915_private *i915) * just let the generic create file fail silently with -EEXIST. */ -#define REGISTER(T, x, unused, mode, ...) _i915_param_create_file(dir, #x, #T, mode, ¶ms->x); +#define REGISTER(T, x, unused, mode, ...) _i915_param_create_file(dir, #x, mode, ¶ms->x); I915_PARAMS_FOR_EACH(REGISTER); #undef REGISTER