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meta-sysmocom-bsp/recipes-extra/barebox-state/barebox-state/sysmobts-v2/0002-barebox-state-add-supp...

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From cada2ed0b4ca0d467621fa90de304421e17b4869 Mon Sep 17 00:00:00 2001
From: Jan Luebbe <jluebbe@debian.org>
Date: Sat, 30 May 2015 19:52:55 +0200
Subject: [PATCH 2/3] barebox-state: add support for uint8 variables
Signed-off-by: Jan Luebbe <jluebbe@debian.org>
---
src/barebox-state.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/src/barebox-state.c b/src/barebox-state.c
index 57305c4..f56275f 100644
--- a/src/barebox-state.c
+++ b/src/barebox-state.c
@@ -81,6 +81,7 @@ struct state_backend {
enum state_variable_type {
STATE_TYPE_INVALID = 0,
STATE_TYPE_ENUM,
+ STATE_TYPE_U8,
STATE_TYPE_U32,
STATE_TYPE_MAC,
};
@@ -185,6 +186,32 @@ static int state_uint32_import(struct state_variable *sv,
return 0;
}
+static struct state_variable *state_uint8_create(struct state *state,
+ const char *name, struct device_node *node)
+{
+ struct state_uint32 *su32;
+ struct param_d *param;
+
+ su32 = xzalloc(sizeof(*su32));
+
+ param = dev_add_param_int(&state->dev, name, state_set_dirty,
+ NULL, &su32->value, "%u", state);
+ if (IS_ERR(param)) {
+ free(su32);
+ return ERR_CAST(param);
+ }
+
+ su32->param = param;
+ su32->var.size = sizeof(uint8_t);
+#ifdef __LITTLE_ENDIAN
+ su32->var.raw = &su32->value;
+#else
+ su32->var.raw = &su32->value + 3;
+#endif
+
+ return &su32->var;
+}
+
static struct state_variable *state_uint32_create(struct state *state,
const char *name, struct device_node *node)
{
@@ -395,6 +422,14 @@ out:
static struct variable_type types[] = {
{
+ .type = STATE_TYPE_U8,
+ .type_name = "uint8",
+ .export = state_uint32_export,
+ .import = state_uint32_import,
+ .create = state_uint8_create,
+ .set = state_uint32_set,
+ .get = state_uint32_get,
+ }, {
.type = STATE_TYPE_U32,
.type_name = "uint32",
.export = state_uint32_export,
--
2.1.4