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[PATCH v9 2/6] spapr: Implement get_dt_compatible() callback
From: |
Stefan Berger |
Subject: |
[PATCH v9 2/6] spapr: Implement get_dt_compatible() callback |
Date: |
Tue, 21 Jan 2020 10:29:31 -0500 |
From: Stefan Berger <address@hidden>
For devices that cannot be statically initialized, implement a
get_dt_compatible() callback that allows us to ask the device for
the 'compatible' value.
Signed-off-by: Stefan Berger <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
Reviewed-by: David Gibson <address@hidden>
---
hw/ppc/spapr_vio.c | 11 +++++++++--
include/hw/ppc/spapr_vio.h | 1 +
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c
index 554de9930d..4b24b81797 100644
--- a/hw/ppc/spapr_vio.c
+++ b/hw/ppc/spapr_vio.c
@@ -87,6 +87,7 @@ static int vio_make_devnode(SpaprVioDevice *dev,
SpaprVioDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
int vdevice_off, node_off, ret;
char *dt_name;
+ const char *dt_compatible;
vdevice_off = fdt_path_offset(fdt, "/vdevice");
if (vdevice_off < 0) {
@@ -113,9 +114,15 @@ static int vio_make_devnode(SpaprVioDevice *dev,
}
}
- if (pc->dt_compatible) {
+ if (pc->get_dt_compatible) {
+ dt_compatible = pc->get_dt_compatible(dev);
+ } else {
+ dt_compatible = pc->dt_compatible;
+ }
+
+ if (dt_compatible) {
ret = fdt_setprop_string(fdt, node_off, "compatible",
- pc->dt_compatible);
+ dt_compatible);
if (ret < 0) {
return ret;
}
diff --git a/include/hw/ppc/spapr_vio.h b/include/hw/ppc/spapr_vio.h
index ce6d9b0c66..bed7df60e3 100644
--- a/include/hw/ppc/spapr_vio.h
+++ b/include/hw/ppc/spapr_vio.h
@@ -58,6 +58,7 @@ typedef struct SpaprVioDeviceClass {
void (*realize)(SpaprVioDevice *dev, Error **errp);
void (*reset)(SpaprVioDevice *dev);
int (*devnode)(SpaprVioDevice *dev, void *fdt, int node_off);
+ const char *(*get_dt_compatible)(SpaprVioDevice *dev);
} SpaprVioDeviceClass;
struct SpaprVioDevice {
--
2.24.1
- [PATCH v9 0/6] Add vTPM emulator support for ppc64 platform, Stefan Berger, 2020/01/21
- [PATCH v9 5/6] hw/ppc/Kconfig: Enable TPM_SPAPR as part of PSERIES config, Stefan Berger, 2020/01/21
- [PATCH v9 4/6] tpm_spapr: Support suspend and resume, Stefan Berger, 2020/01/21
- [PATCH v9 1/6] tpm: Move tpm_tis_show_buffer to tpm_util.c, Stefan Berger, 2020/01/21
- [PATCH v9 2/6] spapr: Implement get_dt_compatible() callback,
Stefan Berger <=
- [PATCH v9 3/6] tpm_spapr: Support TPM for ppc64 using CRQ based interface, Stefan Berger, 2020/01/21
- [PATCH v9 6/6] docs/specs/tpm: reST-ify TPM documentation, Stefan Berger, 2020/01/21
- Re: [PATCH v9 0/6] Add vTPM emulator support for ppc64 platform, David Gibson, 2020/01/28