--- /dev/null
+From a5538a777b73b35750ed1ffff8c1ef539e861624 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
+Date: Wed, 17 Mar 2021 10:23:17 +0100
+Subject: [PATCH] net: dsa: b53: mmap: Add device tree support
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Add device tree support to b53_mmap.c while keeping platform devices support.
+
+Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/dsa/b53/b53_mmap.c | 55 ++++++++++++++++++++++++++++++++++
+ 1 file changed, 55 insertions(+)
+
+--- a/drivers/net/dsa/b53/b53_mmap.c
++++ b/drivers/net/dsa/b53/b53_mmap.c
+@@ -16,6 +16,7 @@
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
++#include <linux/bits.h>
+ #include <linux/kernel.h>
+ #include <linux/module.h>
+ #include <linux/io.h>
+@@ -228,11 +229,65 @@ static const struct b53_io_ops b53_mmap_
+ .write64 = b53_mmap_write64,
+ };
+
++static int b53_mmap_probe_of(struct platform_device *pdev,
++ struct b53_platform_data **ppdata)
++{
++ struct device_node *np = pdev->dev.of_node;
++ struct device_node *of_ports, *of_port;
++ struct device *dev = &pdev->dev;
++ struct b53_platform_data *pdata;
++ void __iomem *mem;
++
++ mem = devm_platform_ioremap_resource(pdev, 0);
++ if (IS_ERR(mem))
++ return PTR_ERR(mem);
++
++ pdata = devm_kzalloc(dev, sizeof(struct b53_platform_data),
++ GFP_KERNEL);
++ if (!pdata)
++ return -ENOMEM;
++
++ pdata->regs = mem;
++ pdata->chip_id = BCM63XX_DEVICE_ID;
++ pdata->big_endian = of_property_read_bool(np, "big-endian");
++
++ of_ports = of_get_child_by_name(np, "ports");
++ if (!of_ports) {
++ dev_err(dev, "no ports child node found\n");
++ return -EINVAL;
++ }
++
++ for_each_available_child_of_node(of_ports, of_port) {
++ u32 reg;
++
++ if (of_property_read_u32(of_port, "reg", ®))
++ continue;
++
++ if (reg < B53_CPU_PORT)
++ pdata->enabled_ports |= BIT(reg);
++ }
++
++ of_node_put(of_ports);
++ *ppdata = pdata;
++
++ return 0;
++}
++
+ static int b53_mmap_probe(struct platform_device *pdev)
+ {
++ struct device_node *np = pdev->dev.of_node;
+ struct b53_platform_data *pdata = pdev->dev.platform_data;
+ struct b53_mmap_priv *priv;
+ struct b53_device *dev;
++ int ret;
++
++ if (!pdata && np) {
++ ret = b53_mmap_probe_of(pdev, &pdata);
++ if (ret) {
++ dev_err(&pdev->dev, "OF probe error\n");
++ return ret;
++ }
++ }
+
+ if (!pdata)
+ return -EINVAL;
+++ /dev/null
-From f5419e7f362ae1c462baf28a2da7360267f8e4f9 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
-Date: Mon, 1 Mar 2021 07:32:32 +0100
-Subject: [PATCH 2/3] net: dsa: b53: mmap: Add device tree support
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Add device tree support to b53_mmap.c while keeping platform devices support.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
----
- drivers/net/dsa/b53/b53_mmap.c | 36 ++++++++++++++++++++++++++++++++++
- 1 file changed, 36 insertions(+)
-
---- a/drivers/net/dsa/b53/b53_mmap.c
-+++ b/drivers/net/dsa/b53/b53_mmap.c
-@@ -228,12 +228,64 @@ static const struct b53_io_ops b53_mmap_
- .write64 = b53_mmap_write64,
- };
-
-+static int b53_mmap_probe_of(struct platform_device *pdev,
-+ struct b53_platform_data **ppdata)
-+{
-+ struct device *dev = &pdev->dev;
-+ struct device_node *np = dev->of_node;
-+ struct device_node *of_ports, *of_port;
-+ struct b53_platform_data *pdata;
-+ void __iomem *mem;
-+
-+ mem = devm_platform_ioremap_resource(pdev, 0);
-+ if (IS_ERR(mem))
-+ return PTR_ERR(mem);
-+
-+ pdata = devm_kzalloc(dev, sizeof(struct b53_platform_data),
-+ GFP_KERNEL);
-+ if (!pdata)
-+ return -ENOMEM;
-+
-+ pdata->regs = mem;
-+ pdata->chip_id = BCM63XX_DEVICE_ID;
-+ pdata->big_endian = of_property_read_bool(np, "big-endian");
-+
-+ of_ports = of_get_child_by_name(np, "ports");
-+ if (!of_ports) {
-+ dev_err(dev, "no ports child node found\n");
-+ return -EINVAL;
-+ }
-+
-+ for_each_available_child_of_node(of_ports, of_port) {
-+ u32 reg;
-+
-+ if (of_property_read_u32(of_port, "reg", ®))
-+ continue;
-+
-+ if (reg < B53_CPU_PORT)
-+ pdata->enabled_ports |= BIT(reg);
-+ }
-+
-+ *ppdata = pdata;
-+
-+ return 0;
-+}
-+
- static int b53_mmap_probe(struct platform_device *pdev)
- {
-+ struct device_node *np = pdev->dev.of_node;
- struct b53_platform_data *pdata = pdev->dev.platform_data;
- struct b53_mmap_priv *priv;
- struct b53_device *dev;
-
-+ if (np) {
-+ int ret = b53_mmap_probe_of(pdev, &pdata);
-+ if (ret) {
-+ dev_err(&pdev->dev, "OF probe error\n");
-+ return ret;
-+ }
-+ }
-+
- if (!pdata)
- return -EINVAL;
-