[PATCH 7/7] net: phy: Add pm support for scan ctrl register to bcm mdio mux
From: Arun Parameswaran <hidden>
Date: 2018-07-26 18:36:47
Also in:
linux-devicetree, lkml, netdev
Subsystem:
ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add support for saving and restoring the 'scan control' register in the Broadcom iProc mdio mux driver. Signed-off-by: Arun Parameswaran <redacted> --- 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