diff options
| author | Rob Clark <robdclark@gmail.com> | 2018-01-10 11:33:30 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-01-15 11:35:38 -0500 |
| commit | f2006808f099465707c8a815dd1d0ec093f3449b (patch) | |
| tree | 9c10c354b33fcfc98895cd471e8f8ddfdd660914 | |
| parent | 42091fa9e8147d536591f5c7abae12fd58b0d4c1 (diff) | |
dm: core: parse chosen node
This is the node that would contain, for example, the framebuffer setup
by an earlier stage.
Signed-off-by: Rob Clark <robdclark@gmail.com>
| -rw-r--r-- | arch/sandbox/dts/test.dts | 7 | ||||
| -rw-r--r-- | drivers/core/root.c | 11 | ||||
| -rw-r--r-- | test/dm/bus.c | 2 | ||||
| -rw-r--r-- | test/dm/test-fdt.c | 2 |
4 files changed, 20 insertions, 2 deletions
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index e67d428eb2..3f9e788e6c 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -478,6 +478,13 @@ wdt0: wdt@0 { compatible = "sandbox,wdt"; }; + + chosen { + chosen-test { + compatible = "denx,u-boot-fdt-test"; + reg = <9 1>; + }; + }; }; #include "sandbox_pmic.dtsi" diff --git a/drivers/core/root.c b/drivers/core/root.c index 976e2c4fdd..36336b65b6 100644 --- a/drivers/core/root.c +++ b/drivers/core/root.c @@ -266,6 +266,17 @@ static int dm_scan_fdt_node(struct udevice *parent, const void *blob, for (offset = fdt_first_subnode(blob, offset); offset > 0; offset = fdt_next_subnode(blob, offset)) { + /* "chosen" node isn't a device itself but may contain some: */ + if (!strcmp(fdt_get_name(blob, offset, NULL), "chosen")) { + pr_debug("parsing subnodes of \"chosen\"\n"); + + err = dm_scan_fdt_node(parent, blob, offset, + pre_reloc_only); + if (err && !ret) + ret = err; + continue; + } + if (pre_reloc_only && !dm_fdt_pre_reloc(blob, offset)) continue; diff --git a/test/dm/bus.c b/test/dm/bus.c index 7006d4163d..1da398ae3a 100644 --- a/test/dm/bus.c +++ b/test/dm/bus.c @@ -105,7 +105,7 @@ UCLASS_DRIVER(testbus) = { /* Test that we can probe for children */ static int dm_test_bus_children(struct unit_test_state *uts) { - int num_devices = 6; + int num_devices = 7; struct udevice *bus; struct uclass *uc; diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c index dcc2ef8b65..920ccbf016 100644 --- a/test/dm/test-fdt.c +++ b/test/dm/test-fdt.c @@ -167,7 +167,7 @@ int dm_check_devices(struct unit_test_state *uts, int num_devices) /* Test that FDT-based binding works correctly */ static int dm_test_fdt(struct unit_test_state *uts) { - const int num_devices = 6; + const int num_devices = 7; struct udevice *dev; struct uclass *uc; int ret; |