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authorKishon Vijay Abraham I <kishon@ti.com>2019-12-16 15:27:03 +0530
committerKishon Vijay Abraham I <kishon@ti.com>2020-01-08 12:58:06 +0530
commitcedcc2e2ea39c4b47c417461a64eec27dedd335b (patch)
tree90812071161dc9728d2e2509b0b2c84a05049fda /drivers/phy
parentphy: cadence: Sierra: Add support for SERDES_16G used in J721E SoC (diff)
downloadlinux-dev-cedcc2e2ea39c4b47c417461a64eec27dedd335b.tar.xz
linux-dev-cedcc2e2ea39c4b47c417461a64eec27dedd335b.zip
phy: cadence: Sierra: Make cdns_sierra_phy_init() as phy_ops
Instead of invoking cdns_sierra_phy_init() from probe, add it in phy_ops so that it's initialized when the PHY consumer invokes phy_init() Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy')
-rw-r--r--drivers/phy/cadence/phy-cadence-sierra.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c
index d3b0dac2db77..bc2ae260359c 100644
--- a/drivers/phy/cadence/phy-cadence-sierra.c
+++ b/drivers/phy/cadence/phy-cadence-sierra.c
@@ -176,7 +176,7 @@ static struct regmap_config cdns_sierra_phy_config_ctrl_config = {
.reg_read = cdns_regmap_read,
};
-static void cdns_sierra_phy_init(struct phy *gphy)
+static int cdns_sierra_phy_init(struct phy *gphy)
{
struct cdns_sierra_inst *ins = phy_get_drvdata(gphy);
struct cdns_sierra_phy *phy = dev_get_drvdata(gphy->dev.parent);
@@ -185,6 +185,10 @@ static void cdns_sierra_phy_init(struct phy *gphy)
struct cdns_reg_pairs *vals;
u32 num_regs;
+ /* Initialise the PHY registers, unless auto configured */
+ if (phy->autoconf)
+ return 0;
+
if (ins->phy_type == PHY_TYPE_PCIE) {
num_regs = phy->init_data->pcie_regs;
vals = phy->init_data->pcie_vals;
@@ -192,7 +196,7 @@ static void cdns_sierra_phy_init(struct phy *gphy)
num_regs = phy->init_data->usb_regs;
vals = phy->init_data->usb_vals;
} else {
- return;
+ return -EINVAL;
}
for (i = 0; i < ins->num_lanes; i++) {
for (j = 0; j < num_regs ; j++) {
@@ -200,6 +204,8 @@ static void cdns_sierra_phy_init(struct phy *gphy)
regmap_write(regmap, vals[j].off, vals[j].val);
}
}
+
+ return 0;
}
static int cdns_sierra_phy_on(struct phy *gphy)
@@ -218,6 +224,7 @@ static int cdns_sierra_phy_off(struct phy *gphy)
}
static const struct phy_ops ops = {
+ .init = cdns_sierra_phy_init,
.power_on = cdns_sierra_phy_on,
.power_off = cdns_sierra_phy_off,
.owner = THIS_MODULE,
@@ -438,10 +445,6 @@ static int cdns_sierra_phy_probe(struct platform_device *pdev)
sp->phys[node].phy = gphy;
phy_set_drvdata(gphy, &sp->phys[node]);
- /* Initialise the PHY registers, unless auto configured */
- if (!sp->autoconf)
- cdns_sierra_phy_init(gphy);
-
node++;
}
sp->nsubnodes = node;