[nrf fromtree] tests/storage/stream_flash: Support for devices without explicit erase

Adds code that runs erase only when needed.

Signed-off-by: Dominik Ermel <[email protected]>
(cherry picked from commit 27f5291)

Author: de-nordic

tests/subsys/storage/stream/stream_flash/src/main.c

@@ -41,7 +41,9 @@ static uint8_t generic_buf[BUF_LEN];
 static uint8_t read_buf[TESTBUF_SIZE];
 const static uint8_t write_buf[TESTBUF_SIZE] = {[0 ... TESTBUF_SIZE - 1] = 0xaa};
 static uint8_t written_pattern[TESTBUF_SIZE] = {[0 ... TESTBUF_SIZE - 1] = 0xaa};
+#if defined(CONFIG_FLASH_HAS_EXPLICIT_ERASE)
 static uint8_t erased_pattern[TESTBUF_SIZE]  = {[0 ... TESTBUF_SIZE - 1] = 0xff};
+#endif
 
 #define VERIFY_BUF(start, size, buf) \
 do { \
@@ -51,7 +53,11 @@ do { \
 } while (0)
 
 #define VERIFY_WRITTEN(start, size) VERIFY_BUF(start, size, written_pattern)
+#if defined(CONFIG_FLASH_HAS_EXPLICIT_ERASE)
 #define VERIFY_ERASED(start, size) VERIFY_BUF(start, size, erased_pattern)
+#else
+#define VERIFY_ERASED(start, size)
+#endif
 
 int stream_flash_callback(uint8_t *buf, size_t len, size_t offset)
 {
@@ -66,14 +72,23 @@ int stream_flash_callback(uint8_t *buf, size_t len, size_t offset)
 
 static void erase_flash(void)
 {
+#if IS_ENABLED(CONFIG_FLASH_HAS_EXPLICIT_ERASE)
 	int rc;
+#if IS_ENABLED(CONFIG_FLASH_HAS_NO_EXPLICIT_ERASE)
+	const struct flash_parameters *fparam = flash_get_parameters(fdev);
+
+	if (!(flash_params_get_erase_cap(fparam) & FLASH_ERASE_C_EXPLICIT)) {
+		return;
+	}
+#endif
 
 	for (int i = 0; i < MAX_NUM_PAGES; i++) {
 		rc = flash_erase(fdev,
 				 FLASH_BASE + (i * layout->pages_size),
 				 layout->pages_size);
 		zassert_equal(rc, 0, "should succeed");
 	}
+#endif
 }
 
 
@@ -588,7 +603,7 @@ ZTEST(lib_stream_flash, test_stream_flash_progress_resume)
 	bytes_written = load_progress(progress_key);
 	zassert_equal(bytes_written, bytes_written_old,
 		      "expected bytes_written to be loaded");
-#ifdef CONFIG_STREAM_FLASH_ERASE
+#if defined(CONFIG_STREAM_FLASH_ERASE)
 	zassert_equal(erase_offset_old, ctx.last_erased_page_start_offset,
 		      "expected last erased page offset to be loaded");
 #endif

tests/subsys/storage/stream/stream_flash/testcase.yaml

@@ -9,6 +9,19 @@ common:
 tests:
   storage.stream_flash:
     tags: stream_flash
+  storage.stream_flash.simulator.no_explicit_erase:
+    extra_args:
+      - CONFIG_STREAM_FLASH_ERASE=n
+      - CONFIG_FLASH_SIMULATOR_EXPLICIT_ERASE=n
+    platform_allow:
+      - native_posix
+      - native_posix/native/64
+      - native_sim
+      - native_sim/native/64
+    tags: stream_flash
+  storage.stream_flash.no_explicit_erase:
+    platform_allow:
+      - nrf54l15pdk/nrf54l15/cpuapp
   storage.stream_flash.dword_wbs:
     extra_args: DTC_OVERLAY_FILE=unaligned_flush.overlay
     tags: stream_flash