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authorYuval Peress <peress@chromium.org>2021-08-04 11:19:55 -0600
committerCommit Bot <commit-bot@chromium.org>2021-08-20 14:32:44 +0000
commit8270698e589f14239b4942a42b27132af497410b (patch)
treeea10c53f412c229980ea24a6faf8572295b92f75 /include/system.h
parentd63ba9739b77bece9e0be136dd256c89ce2fd688 (diff)
downloadchrome-ec-8270698e589f14239b4942a42b27132af497410b.tar.gz
system: fix system_get_scratchpad API
The current API for system_get_scratchpad mixes the status and the value being read. Update the signature to allow both. BRANCH=none BUG=b:195481980 TEST=make testall && zmake testall Signed-off-by: Yuval Peress <peress@chromium.org> Change-Id: I3a5f5ad523d507c53a5d474806f58afafb82e70c Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3074828 Commit-Queue: Denis Brockus <dbrockus@chromium.org> Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'include/system.h')
-rw-r--r--include/system.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/system.h b/include/system.h
index 559e97befe..1b1e45c2a1 100644
--- a/include/system.h
+++ b/include/system.h
@@ -361,9 +361,15 @@ void system_reset(int flags);
int system_set_scratchpad(uint32_t value);
/**
- * Return the current scratchpad register value.
+ * Get the scratchpad register value.
+ *
+ * The scratchpad register maintains its contents across a
+ * software-requested warm reset.
+ *
+ * @param value Where to store the content of the register.
+ * @return EC_SUCCESS, or non-zero if error.
*/
-uint32_t system_get_scratchpad(void);
+int system_get_scratchpad(uint32_t *value);
/**
* Return the chip vendor/name/revision string.