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demo: migrate uclass to livetree

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Use dev_ function to read the sides and colour to support a live tree.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Patrick Delaunay 2021-09-20 17:58:33 +02:00 committed by Tom Rini
parent e2170c29ee
commit 455f2d15bf
1 changed files with 2 additions and 7 deletions
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9
drivers/demo/demo-uclass.c
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@ -10,15 +10,11 @@
#include <dm.h> #include <dm.h>
#include <dm-demo.h> #include <dm-demo.h>
#include <errno.h> #include <errno.h>
#include <fdtdec.h>
#include <log.h> #include <log.h>
#include <malloc.h> #include <malloc.h>
#include <asm/global_data.h>
#include <asm/io.h> #include <asm/io.h>
#include <linux/list.h> #include <linux/list.h>
DECLARE_GLOBAL_DATA_PTR;
UCLASS_DRIVER(demo) = { UCLASS_DRIVER(demo) = {
.name = "demo", .name = "demo",
.id = UCLASS_DEMO, .id = UCLASS_DEMO,
@ -67,10 +63,9 @@ int demo_set_light(struct udevice *dev, int light)
int demo_parse_dt(struct udevice *dev) int demo_parse_dt(struct udevice *dev)
{ {
struct dm_demo_pdata *pdata = dev_get_plat(dev); struct dm_demo_pdata *pdata = dev_get_plat(dev);
int dn = dev_of_offset(dev);
pdata->sides = fdtdec_get_int(gd->fdt_blob, dn, "sides", 0); pdata->sides = dev_read_s32_default(dev, "sides", 0);
pdata->colour = fdt_getprop(gd->fdt_blob, dn, "colour", NULL); pdata->colour = dev_read_string(dev, "colour");
if (!pdata->sides || !pdata->colour) { if (!pdata->sides || !pdata->colour) {
debug("%s: Invalid device tree data\n", __func__); debug("%s: Invalid device tree data\n", __func__);
return -EINVAL; return -EINVAL;