soc/amd/cezanne/fsp_m_params: fix modification of constant
mcfg->usb_phy is a pointer to a struct usb_phy_config. The config is
constant. Changing a constant is undefined behavior, so create a local
static instance of usb_phy_config that can be modified safely.
Change-Id: If9b76b869a5b0581f979432ce57cc40f1c253880
Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64133
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/soc/amd/cezanne/fsp_m_params.c b/src/soc/amd/cezanne/fsp_m_params.c
index cfe934b..ba2663a 100644
--- a/src/soc/amd/cezanne/fsp_m_params.c
+++ b/src/soc/amd/cezanne/fsp_m_params.c
@@ -150,7 +150,10 @@
mcfg->sata_enable = is_dev_enabled(DEV_PTR(sata_0)) || is_dev_enabled(DEV_PTR(sata_1));
if (config->usb_phy_custom) {
- mcfg->usb_phy = (struct usb_phy_config *)&config->usb_phy;
+ /* devicetree config is const, use local copy */
+ static struct usb_phy_config lcl_usb_phy;
+ lcl_usb_phy = config->usb_phy;
+ mcfg->usb_phy = &lcl_usb_phy;
mcfg->usb_phy->Version_Major = FSP_USB_STRUCT_MAJOR_VERSION;
mcfg->usb_phy->Version_Minor = FSP_USB_STRUCT_MINOR_VERSION;
mcfg->usb_phy->TableLength = sizeof(struct usb_phy_config);