Message ID | 20210304044122.15166-2-kishon@ti.com |
---|---|
State | Superseded |
Headers | show |
Series | PHY: Add support in Sierra to use external clock | expand |
On Thu, 2021-03-04 at 10:11 +0530, Kishon Vijay Abraham I wrote: > Commit 44d30d622821d ("phy: cadence: Add driver for Sierra PHY") > de-asserts PHY_RESET even before the configurations are loaded in > phy_init(). However PHY_RESET should be de-asserted only after > all the configurations has been initialized, instead of de-asserting > in probe. Fix it here. > > Fixes: 44d30d622821d ("phy: cadence: Add driver for Sierra PHY") > Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> > Cc: <stable@vger.kernel.org> # v5.4+ Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> regards Philipp
diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c index 26a0badabe38..19f32ae877b9 100644 --- a/drivers/phy/cadence/phy-cadence-sierra.c +++ b/drivers/phy/cadence/phy-cadence-sierra.c @@ -319,6 +319,12 @@ static int cdns_sierra_phy_on(struct phy *gphy) u32 val; int ret; + ret = reset_control_deassert(sp->phy_rst); + if (ret) { + dev_err(dev, "Failed to take the PHY out of reset\n"); + return ret; + } + /* Take the PHY lane group out of reset */ ret = reset_control_deassert(ins->lnk_rst); if (ret) { @@ -616,7 +622,6 @@ static int cdns_sierra_phy_probe(struct platform_device *pdev) pm_runtime_enable(dev); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - reset_control_deassert(sp->phy_rst); return PTR_ERR_OR_ZERO(phy_provider); put_child:
Commit 44d30d622821d ("phy: cadence: Add driver for Sierra PHY") de-asserts PHY_RESET even before the configurations are loaded in phy_init(). However PHY_RESET should be de-asserted only after all the configurations has been initialized, instead of de-asserting in probe. Fix it here. Fixes: 44d30d622821d ("phy: cadence: Add driver for Sierra PHY") Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Cc: <stable@vger.kernel.org> # v5.4+ --- drivers/phy/cadence/phy-cadence-sierra.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) -- 2.17.1