Dear Simon Glass,
Make driver model available after relocation, by setting up data structures and scanning for devices using compiled-in platform_data and (when available) the device tree.
Signed-off-by: Simon Glass sjg@chromium.org
Changes in v3: None Changes in v2: None
common/board_r.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/common/board_r.c b/common/board_r.c index f5649c9..5fe86ef 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -34,6 +34,7 @@ #ifdef CONFIG_HAS_DATAFLASH #include <dataflash.h> #endif +#include <dm.h> #include <environment.h> #include <fdtdec.h> #if defined(CONFIG_CMD_IDE) @@ -66,7 +67,9 @@ #ifdef CONFIG_X86 #include <asm/init_helpers.h> #endif +#include <dm/root.h> #include <linux/compiler.h> +#include <linux/err.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -269,6 +272,33 @@ static int initr_malloc(void) return 0; }
+#ifdef CONFIG_DM +static int initr_dm(void) +{
- int ret;
- ret = dm_init();
- if (ret) {
debug("dm_init() failed: %d\n", ret);return ret;- }
- ret = dm_scan_platform_data();
- if (ret) {
debug("dm_scan_platform_data() failed: %d\n", ret);return ret;- }
+#ifdef CONFIG_OF_CONTROL
- ret = dm_scan_fdt(gd->fdt_blob);
This part is _very_ nice!
- if (ret) {
debug("dm_scan_fdt() failed: %d\n", ret);return ret;- }
+#endif
- return 0;
+} +#endif
__weak int power_init_board(void) { return 0; @@ -766,6 +796,9 @@ init_fnc_t init_sequence_r[] = { initr_barrier, initr_malloc, bootstage_relocate, +#ifdef CONFIG_DM
- initr_dm,
+#endif #ifdef CONFIG_ARCH_EARLY_INIT_R arch_early_init_r, #endif
Best regards, Marek Vasut