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| author | Hon Ching \(Vicky\) Lo <honclo@linux.vnet.ibm.com> | 2015-10-07 20:11:52 -0400 |
|---|---|---|
| committer | Peter Huewe <peterhuewe@gmx.de> | 2015-10-19 01:01:22 +0200 |
| commit | 2f82e98265e0a46e122ee2a035450d065dbd0f4f (patch) | |
| tree | c9a6bd9b38d4dceddf0438ef2e12c2a221404823 | |
| parent | 89adb83c5a378618ed67a1cf4c2c2061364b4d10 (diff) | |
| download | linux-stable-2f82e98265e0a46e122ee2a035450d065dbd0f4f.tar.gz linux-stable-2f82e98265e0a46e122ee2a035450d065dbd0f4f.tar.bz2 linux-stable-2f82e98265e0a46e122ee2a035450d065dbd0f4f.zip | |
vTPM: fix searching for the right vTPM node in device tree
Replace all occurrences of '/ibm,vtpm' with '/vdevice/vtpm',
as only the latter is guanranteed to be available for the client OS.
The '/ibm,vtpm' node should only be used by Open Firmware, which
is susceptible to changes.
Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 8 | ||||
| -rw-r--r-- | drivers/char/tpm/tpm_of.c | 2 |
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 15099c41622e..a8af4d4400e6 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1430,12 +1430,12 @@ static void __init prom_instantiate_sml(void) prom_debug("prom_instantiate_sml: start...\n"); - ibmvtpm_node = call_prom("finddevice", 1, 1, ADDR("/ibm,vtpm")); + ibmvtpm_node = call_prom("finddevice", 1, 1, ADDR("/vdevice/vtpm")); prom_debug("ibmvtpm_node: %x\n", ibmvtpm_node); if (!PHANDLE_VALID(ibmvtpm_node)) return; - ibmvtpm_inst = call_prom("open", 1, 1, ADDR("/ibm,vtpm")); + ibmvtpm_inst = call_prom("open", 1, 1, ADDR("/vdevice/vtpm")); if (!IHANDLE_VALID(ibmvtpm_inst)) { prom_printf("opening vtpm package failed (%x)\n", ibmvtpm_inst); return; @@ -1464,9 +1464,9 @@ static void __init prom_instantiate_sml(void) reserve_mem(base, size); - prom_setprop(ibmvtpm_node, "/ibm,vtpm", "linux,sml-base", + prom_setprop(ibmvtpm_node, "/vdevice/vtpm", "linux,sml-base", &base, sizeof(base)); - prom_setprop(ibmvtpm_node, "/ibm,vtpm", "linux,sml-size", + prom_setprop(ibmvtpm_node, "/vdevice/vtpm", "linux,sml-size", &size, sizeof(size)); prom_debug("sml base = 0x%x\n", base); diff --git a/drivers/char/tpm/tpm_of.c b/drivers/char/tpm/tpm_of.c index eebe6256918f..66b3be417ccc 100644 --- a/drivers/char/tpm/tpm_of.c +++ b/drivers/char/tpm/tpm_of.c @@ -31,7 +31,7 @@ int read_log(struct tpm_bios_log *log) return -EFAULT; } - np = of_find_node_by_name(NULL, "ibm,vtpm"); + np = of_find_node_by_name(NULL, "vtpm"); if (!np) { pr_err("%s: ERROR - IBMVTPM not supported\n", __func__); return -ENODEV; |