drivers/xen-tpmfront: Fix compile issue with missing option.

Randy reports:

x86_64:

drivers/built-in.o: In function `xen_tpmfront_init':
xen-tpmfront.c:(.init.text+0x257c): undefined reference to `xenbus_register_frontend'

This is nicely fixed by selecting the XenBus frontend module.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index 205ed35c1a313e0821a7289641e0d5a56398f17e..94c0c74434eac641a3ddfcd18324913ecedeaafa 100644 (file)
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -94,6 +94,7 @@ config TCG_ST33_I2C
 config TCG_XEN
        tristate "XEN TPM Interface"
        depends on TCG_TPM && XEN
+       select XEN_XENBUS_FRONTEND
        ---help---
          If you want to make TPM support available to a Xen user domain,
          say Yes and it will be accessible from within Linux. See