[PATCH 1/2] drivers: usb: musb: Fail if the ctrl mod register is missing
Arnaud Ferraris
arnaud.ferraris at collabora.com
Wed Apr 22 12:50:25 CEST 2020
From: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
If the trcl mode register address cannot be found error out rather then
trying to continue (which cannot work)
Signed-off-by: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
Signed-off-by: Arnaud Ferraris <arnaud.ferraris at collabora.com>
---
drivers/usb/musb-new/ti-musb.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/usb/musb-new/ti-musb.c b/drivers/usb/musb-new/ti-musb.c
index 608facefa3..4e88652433 100644
--- a/drivers/usb/musb-new/ti-musb.c
+++ b/drivers/usb/musb-new/ti-musb.c
@@ -91,6 +91,11 @@ static int ti_musb_ofdata_to_platdata(struct udevice *dev)
phys = fdtdec_lookup_phandle(fdt, node, "phys");
ctrl_mod = fdtdec_lookup_phandle(fdt, phys, "ti,ctrl_mod");
platdata->ctrl_mod_base = (void *)fdtdec_get_addr(fdt, ctrl_mod, "reg");
+ if (platdata->ctrl_mod_base == FDT_ADDR_T_NONE) {
+ pr_err("MUSB ctrl mod missing\n");
+ return -ENOENT;
+ }
+
usb_index = ti_musb_get_usb_index(node);
switch (usb_index) {
case 1:
--
2.26.1
More information about the U-Boot
mailing list