[PATCH 7/7] net: phy: Add pm support for scan ctrl register to bcm mdio mux
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STALE2994d
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, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v1 of 4 in this series.
Revisions (4)
- v1 current
- v2 [diff vs current]
- v3 [diff vs current]
- v4 [diff vs current]
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