Add support for saving and restoring the 'scan control' register
in the Broadcom iProc mdio mux driver.
Signed-off-by: Arun Parameswaran <arun.parameswaran@xxxxxxxxxxxx>
---
drivers/net/phy/mdio-mux-bcm-iproc.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c
index 89c18d6..d1fce1e 100644
--- a/drivers/net/phy/mdio-mux-bcm-iproc.c
+++ b/drivers/net/phy/mdio-mux-bcm-iproc.c
@@ -26,6 +26,9 @@
#define MDIO_RATE_ADJ_INT_OFFSET 0x004
#define MDIO_RATE_ADJ_DIVIDENT_SHIFT 16
+#define MDIO_SCAN_CTRL_OFFSET 0x008
+#define MDIO_SCAN_CTRL_OVERRIDE_EXT_MSTR 28
+
#define MDIO_PARAM_OFFSET 0x23c
#define MDIO_PARAM_MIIM_CYCLE 29
#define MDIO_PARAM_INTERNAL_SEL 25
@@ -51,7 +54,7 @@
#define MDIO_OPERATING_FREQUENCY 11000000
#define MDIO_RATE_ADJ_DIVIDENT 1
-#define MDIO_NUM_OF_REGS_TO_RESTORE 2
+#define MDIO_NUM_OF_REGS_TO_RESTORE 3
struct iproc_mdiomux_desc {
void *mux_handle;
@@ -68,6 +71,7 @@ struct iproc_mdiomux_desc {
static const u16 restore_reg_offsets[MDIO_NUM_OF_REGS_TO_RESTORE] = {
MDIO_RATE_ADJ_EXT_OFFSET,
MDIO_RATE_ADJ_INT_OFFSET,
+ MDIO_SCAN_CTRL_OVERRIDE_EXT_MSTR,
};
#endif
--
1.9.1
--
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