linux-kernel - [PATCH 02/13] phy: cadence: Sierra: Make "phy_clk" and "sierra

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Message-ID: <20191016113117.12370-3-kishon@ti.com>
Date:   Wed, 16 Oct 2019 17:01:06 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Roger Quadros <rogerq@...com>, Jyri Sarha <jsarha@...com>
CC:     Anil Varughese <aniljoy@...ence.com>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [PATCH 02/13] phy: cadence: Sierra: Make "phy_clk" and "sierra_apb" optional resources

Certain platforms like TI J721E using Cadence Sierra Serdes
doesn't provide explicit phy_clk and reset (APB reset) control.
Make them optional here.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 drivers/phy/cadence/phy-cadence-sierra.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c
index de10402f2931..bed68c25682f 100644
--- a/drivers/phy/cadence/phy-cadence-sierra.c
+++ b/drivers/phy/cadence/phy-cadence-sierra.c
@@ -193,7 +193,7 @@ static int cdns_sierra_phy_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, sp);
 
-	sp->clk = devm_clk_get(dev, "phy_clk");
+	sp->clk = devm_clk_get_optional(dev, "phy_clk");
 	if (IS_ERR(sp->clk)) {
 		dev_err(dev, "failed to get clock phy_clk\n");
 		return PTR_ERR(sp->clk);
@@ -205,7 +205,7 @@ static int cdns_sierra_phy_probe(struct platform_device *pdev)
 		return PTR_ERR(sp->phy_rst);
 	}
 
-	sp->apb_rst = devm_reset_control_get(dev, "sierra_apb");
+	sp->apb_rst = devm_reset_control_get_optional(dev, "sierra_apb");
 	if (IS_ERR(sp->apb_rst)) {
 		dev_err(dev, "failed to get apb reset\n");
 		return PTR_ERR(sp->apb_rst);
-- 
2.17.1