pch_phub: Build context save/restore only for PM
The pch_phub_save_reg_conf() and pch_phub_restore_reg_conf() functions
are only used for suspend/resume support (i.e. when PM is enabled). If
PM is disabled they don't need to be built.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index 9565973..9a17a9ba 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -158,6 +158,7 @@
iowrite32(((ioread32(reg_addr) & ~mask)) | data, reg_addr);
}
+#ifdef CONFIG_PM
/* pch_phub_save_reg_conf - saves register configuration */
static void pch_phub_save_reg_conf(struct pci_dev *pdev)
{
@@ -280,6 +281,7 @@
if ((chip->ioh_type == 2) || (chip->ioh_type == 4))
iowrite32(chip->funcsel_reg, p + FUNCSEL_REG_OFFSET);
}
+#endif
/**
* pch_phub_read_serial_rom() - Reading Serial ROM