linux-kernel - [PATCH 3/8] leds: syscon: Support 'reg' in addition to 'offset' for register address

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Date:   Thu,  9 Sep 2021 16:31:13 -0500
From:   Rob Herring <robh@...nel.org>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>, Pavel Machek <pavel@....cz>
Cc:     Liviu Dudau <liviu.dudau@....com>,
        Sudeep Holla <sudeep.holla@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-leds@...r.kernel.org
Subject: [PATCH 3/8] leds: syscon: Support 'reg' in addition to 'offset' for register address

The register-bit-led binding now also supports 'reg' in addition to
'offset' for the register address. Add support to the driver to get the
address from 'reg'.

Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: Pavel Machek <pavel@....cz>
Cc: linux-leds@...r.kernel.org
Signed-off-by: Rob Herring <robh@...nel.org>
---
 drivers/leds/leds-syscon.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/leds/leds-syscon.c b/drivers/leds/leds-syscon.c
index 7eddb8ecb44e..44e79cdf5c39 100644
--- a/drivers/leds/leds-syscon.c
+++ b/drivers/leds/leds-syscon.c
@@ -81,7 +81,8 @@ static int syscon_led_probe(struct platform_device *pdev)
 
 	sled->map = map;
 
-	if (of_property_read_u32(np, "offset", &sled->offset))
+	if (of_property_read_u32(np, "reg", &sled->offset) &&
+	    of_property_read_u32(np, "offset", &sled->offset))
 		return -EINVAL;
 	if (of_property_read_u32(np, "mask", &sled->mask))
 		return -EINVAL;
-- 
2.30.2