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Miller" , Florian Fainelli , Andrew Lunn , Rob Herring , Mark Rutland , Ray Jui , Scott Branden , Catalin Marinas , Will Deacon Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Arun Parameswaran Subject: [PATCH 7/7] net: phy: Add pm support for scan ctrl register to bcm mdio mux Date: Thu, 26 Jul 2018 11:36:24 -0700 Message-Id: <1532630184-29450-8-git-send-email-arun.parameswaran@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1532630184-29450-1-git-send-email-arun.parameswaran@broadcom.com> References: <1532630184-29450-1-git-send-email-arun.parameswaran@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for saving and restoring the 'scan control' register in the Broadcom iProc mdio mux driver. Signed-off-by: Arun Parameswaran --- 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