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From: Charles Perry <charles.perry@savoirfairelinux.com>
To: mdf@kernel.org
Cc: avandiver@markem-imaje.com,
	bcody@markem-imaje.com,
	Charles Perry <charles.perry@savoirfairelinux.com>,
	Wu Hao <hao.wu@intel.com>,
	Xu Yilun <yilun.xu@intel.com>,
	Tom Rix <trix@redhat.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Michal Simek <michal.simek@amd.com>,
	kishore Manne <nava.kishore.manne@amd.com>,
	linux-fpga@vger.kernel.org,
	devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/5] fpga: xilinx-core: rename "prog_b" and "init-b" gpios
Date: Wed,  7 Feb 2024 13:01:26 -0500
Message-ID: <20240207180142.79625-4-charles.perry@savoirfairelinux.com>
In-Reply-To: <20240207180142.79625-1-charles.perry@savoirfairelinux.com>
References: <20240207180142.79625-1-charles.perry@savoirfairelinux.com>
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New bindings use "prog" and "init". The legacy name is used as a
fallback.

Signed-off-by: Charles Perry <charles.perry@savoirfairelinux.com>
---
 drivers/fpga/xilinx-core.c | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/drivers/fpga/xilinx-core.c b/drivers/fpga/xilinx-core.c
index 597e8b7a530b7..4d2416e71d59c 100644
--- a/drivers/fpga/xilinx-core.c
+++ b/drivers/fpga/xilinx-core.c
@@ -171,6 +171,28 @@ static int xilinx_core_write_complete(struct fpga_ma=
nager *mgr,
 	return -ETIMEDOUT;
 }
=20
+/**
+ * xilinx_core_devm_gpiod_get - Obtain a resource-managed GPIO using a
+ *                              legacy consumer name fallback.
+ *
+ * @dev:           Device managing the GPIO
+ * @con_id:        Consumer id
+ * @legacy_con_id: Legacy consumer id
+ * @flags:         optional GPIO initialization flags
+ */
+static inline struct gpio_desc *
+xilinx_core_devm_gpiod_get(struct device *dev, const char *con_id,
+			   const char *legacy_con_id, enum gpiod_flags flags)
+{
+	struct gpio_desc *desc;
+
+	desc =3D devm_gpiod_get(dev, con_id, flags);
+	if (IS_ERR(desc) && PTR_ERR(desc) =3D=3D -ENOENT)
+		desc =3D devm_gpiod_get(dev, legacy_con_id, flags);
+
+	return desc;
+}
+
 static const struct fpga_manager_ops xilinx_core_ops =3D {
 	.state =3D xilinx_core_state,
 	.write_init =3D xilinx_core_write_init,
@@ -186,12 +208,14 @@ int xilinx_core_probe(struct xilinx_fpga_core *core=
)
 		return -EINVAL;
=20
 	/* PROGRAM_B is active low */
-	core->prog_b =3D devm_gpiod_get(core->dev, "prog_b", GPIOD_OUT_LOW);
+	core->prog_b =3D xilinx_core_devm_gpiod_get(core->dev, "prog", "prog_b"=
,
+						  GPIOD_OUT_LOW);
 	if (IS_ERR(core->prog_b))
 		return dev_err_probe(core->dev, PTR_ERR(core->prog_b),
 				     "Failed to get PROGRAM_B gpio\n");
=20
-	core->init_b =3D devm_gpiod_get_optional(core->dev, "init-b", GPIOD_IN)=
;
+	core->init_b =3D xilinx_core_devm_gpiod_get(core->dev, "init", "init-b"=
,
+						  GPIOD_IN);
 	if (IS_ERR(core->init_b))
 		return dev_err_probe(core->dev, PTR_ERR(core->init_b),
 				     "Failed to get INIT_B gpio\n");
--=20
2.43.0