[PATCH v5 06/13] bloblist: Update to use conditional value

Simon Glass
2022-01-22T12:08:37Z

Use the new IF_ENABLED_INT() feature to avoid needing our own inline
function to handle this case. Tidy up the logic to ensure that the value
is only used when present. Update the 'expected' comment also.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

(no changes since v3)

Changes in v3:
- Add new patch to update bloblist to use conditional value

common/bloblist.c | 15 +++++++++++----
include/bloblist.h | 10 ----------
2 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/common/bloblist.c b/common/bloblist.c
index 056b50c2cb6..406073c8105 100644
--- a/common/bloblist.c
+++ b/common/bloblist.c
@@ -430,18 +430,23 @@ void bloblist_reloc(void *to, uint to_size, void *from, uint from_size)

int bloblist_init(void)
{
+ bool fixed = IS_ENABLED(CONFIG_BLOBLIST_FIXED);
int ret = -ENOENT;
ulong addr, size;
bool expected;

/**
- * Wed expect to find an existing bloblist in the first phase of U-Boot
- * that runs
+ * We don't expect to find an existing bloblist in the first phase of
+ * U-Boot that runs. Also we have no way to receive the address of an
+ * allocated bloblist from a previous stage, so it must be at a fixed
+ * address.
*/
- expected = !u_boot_first_phase();
+ expected = fixed && !u_boot_first_phase();
if (spl_prev_phase() == PHASE_TPL && !IS_ENABLED(CONFIG_TPL_BLOBLIST))
expected = false;
- addr = bloblist_addr();
+ if (fixed)
+ addr = IF_ENABLED_INT(CONFIG_BLOBLIST_FIXED,
+ CONFIG_BLOBLIST_ADDR);
size = CONFIG_BLOBLIST_SIZE;
if (expected) {
ret = bloblist_check(addr, size);
@@ -460,6 +465,8 @@ int bloblist_init(void)
if (!ptr)
return log_msg_ret("alloc", -ENOMEM);
addr = map_to_sysmem(ptr);
+ } else if (!fixed) {
+ return log_msg_ret("!fixed", ret);
}
log_debug("Creating new bloblist size %lx at %lx\n", size,
addr);
diff --git a/include/bloblist.h b/include/bloblist.h
index 173129b0273..d0e128acf10 100644
--- a/include/bloblist.h
+++ b/include/bloblist.h
@@ -147,16 +147,6 @@ struct bloblist_rec {
u32 spare;
};

-/* access CONFIG_BLOBLIST_ADDR, dealing with it possibly not being defined */
-static inline ulong bloblist_addr(void)
-{
-#ifdef CONFIG_BLOBLIST_FIXED
- return CONFIG_BLOBLIST_ADDR;
-#else
- return 0;
-#endif
-}
-
/**
* bloblist_check_magic() - return a bloblist if the magic matches
*
--
2.35.0.rc0.227.g00780c9af4-goog