summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/powerpc/include/asm/qe.h23
-rw-r--r--arch/powerpc/sysdev/qe_lib/qe.c13
2 files changed, 22 insertions, 14 deletions
diff --git a/arch/powerpc/include/asm/qe.h b/arch/powerpc/include/asm/qe.h
index 908f0b75745b..5e0e8b2b0aa1 100644
--- a/arch/powerpc/include/asm/qe.h
+++ b/arch/powerpc/include/asm/qe.h
@@ -154,7 +154,28 @@ int qe_get_snum(void);
void qe_put_snum(u8 snum);
unsigned int qe_get_num_of_risc(void);
unsigned int qe_get_num_of_snums(void);
-int qe_alive_during_sleep(void);
+
+static inline int qe_alive_during_sleep(void)
+{
+ /*
+ * MPC8568E reference manual says:
+ *
+ * "...power down sequence waits for all I/O interfaces to become idle.
+ * In some applications this may happen eventually without actively
+ * shutting down interfaces, but most likely, software will have to
+ * take steps to shut down the eTSEC, QUICC Engine Block, and PCI
+ * interfaces before issuing the command (either the write to the core
+ * MSR[WE] as described above or writing to POWMGTCSR) to put the
+ * device into sleep state."
+ *
+ * MPC8569E reference manual has a similar paragraph.
+ */
+#ifdef CONFIG_PPC_85xx
+ return 0;
+#else
+ return 1;
+#endif
+}
/* we actually use cpm_muram implementation, define this for convenience */
#define qe_muram_init cpm_muram_init
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index 1ed1a9fd9bcf..4eaf2a962914 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -65,19 +65,6 @@ static unsigned int qe_num_of_snum;
static phys_addr_t qebase = -1;
-int qe_alive_during_sleep(void)
-{
- static int ret = -1;
-
- if (ret != -1)
- return ret;
-
- ret = !of_find_compatible_node(NULL, NULL, "fsl,mpc8569-pmc");
-
- return ret;
-}
-EXPORT_SYMBOL(qe_alive_during_sleep);
-
phys_addr_t get_qe_base(void)
{
struct device_node *qe;
OpenPOWER on IntegriCloud