operating-system/buildroot-external/package/generic_raw_uart/0002-kernel-6.14+.patch

From 95ea4dba55643ae71ce192d2582b07bcd5922d18 Mon Sep 17 00:00:00 2001
From: Jens Maus <mail@jens-maus.de>
Date: Sun, 1 Feb 2026 22:07:44 +0100
Subject: [PATCH] add kernel 6.17.x compatibility

This changes the function prototypes of the xxx_gpio_set()
and xxx_gpio_set_multiple() functions in hb_rf_eth.c, hb_rf_usb.c
and hb_rf_usb_2.c and introduced kernel 6.17.x+ compatibility to
get these sources compiled for newer kernel versions.
---
 kernel/hb_rf_eth.c   | 18 +++++++++++++++++-
 kernel/hb_rf_usb.c   | 18 +++++++++++++++++-
 kernel/hb_rf_usb_2.c | 18 +++++++++++++++++-
 3 files changed, 51 insertions(+), 3 deletions(-)

Upstream: Not applicable

Signed-off-by: Jens Maus <mail@jens-maus.de>

diff --git a/kernel/hb_rf_eth.c b/kernel/hb_rf_eth.c
index 37657e5..6be599e 100644
--- a/kernel/hb_rf_eth.c
+++ b/kernel/hb_rf_eth.c
@@ -558,7 +558,11 @@ static int hb_rf_eth_gpio_get(struct gpio_chip *gc, unsigned int gpio)
   return gpio_value & BIT(gpio);
 }
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+static int hb_rf_eth_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
+#else
 static void hb_rf_eth_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
+#endif
 {
   unsigned long lock_flags;
 
@@ -572,6 +576,10 @@ static void hb_rf_eth_gpio_set(struct gpio_chip *gc, unsigned int gpio, int valu
   hb_rf_eth_send_gpio();
 
   spin_unlock_irqrestore(&gpio_lock, lock_flags);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+  return 0;
+#endif
 }
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
@@ -583,7 +591,11 @@ static int hb_rf_eth_gpio_get_multiple(struct gpio_chip *gc, unsigned long *mask
 }
 #endif
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+static int hb_rf_eth_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits)
+#else
 static void hb_rf_eth_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits)
+#endif
 {
   unsigned long lock_flags;
 
@@ -595,6 +607,10 @@ static void hb_rf_eth_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mas
   hb_rf_eth_send_gpio();
 
   spin_unlock_irqrestore(&gpio_lock, lock_flags);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+  return 0;
+#endif
 }
 
 static int hb_rf_eth_get_led_gpio_index(struct generic_raw_uart *raw_uart, enum generic_raw_uart_led led)
@@ -841,5 +857,5 @@ module_exit(hb_rf_eth_exit);
 
 MODULE_AUTHOR("Alexander Reinert <alex@areinert.de>");
 MODULE_DESCRIPTION("HB-RF-ETH raw uart driver");
-MODULE_VERSION("1.23");
+MODULE_VERSION("1.24");
 MODULE_LICENSE("GPL");
diff --git a/kernel/hb_rf_usb.c b/kernel/hb_rf_usb.c
index 626659a..e200b17 100644
--- a/kernel/hb_rf_usb.c
+++ b/kernel/hb_rf_usb.c
@@ -183,7 +183,11 @@ static int hb_rf_usb_gpio_get(struct gpio_chip *gc, unsigned int gpio)
   return port->gpio_value & BIT(gpio);
 }
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+static int hb_rf_usb_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
+#else
 static void hb_rf_usb_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
+#endif
 {
   struct hb_rf_usb_port_s *port = container_of(gc, struct hb_rf_usb_port_s, gc);
   unsigned long lock_flags;
@@ -198,6 +202,10 @@ static void hb_rf_usb_gpio_set(struct gpio_chip *gc, unsigned int gpio, int valu
   hb_rf_usb_set_gpio_on_device(port);
 
   spin_unlock_irqrestore(&port->gpio_lock, lock_flags);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+  return 0;
+#endif
 }
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
@@ -211,7 +219,11 @@ static int hb_rf_usb_gpio_get_multiple(struct gpio_chip *gc, unsigned long *mask
 }
 #endif
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+static int hb_rf_usb_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits)
+#else
 static void hb_rf_usb_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits)
+#endif
 {
   struct hb_rf_usb_port_s *port = container_of(gc, struct hb_rf_usb_port_s, gc);
   unsigned long lock_flags;
@@ -224,6 +236,10 @@ static void hb_rf_usb_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mas
   hb_rf_usb_set_gpio_on_device(port);
 
   spin_unlock_irqrestore(&port->gpio_lock, lock_flags);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+  return 0;
+#endif
 }
 
 static int hb_rf_usb_start_connection(struct generic_raw_uart *raw_uart);
@@ -641,6 +657,6 @@ module_init(hb_rf_usb_init);
 module_exit(hb_rf_usb_exit);
 
 MODULE_LICENSE("GPL");
-MODULE_VERSION("1.16");
+MODULE_VERSION("1.17");
 MODULE_DESCRIPTION("HB-RF-USB raw uart driver for communication of debmatic and piVCCU with the HM-MOD-RPI-PCB and RPI-RF-MOD radio modules");
 MODULE_AUTHOR("Alexander Reinert <alex@areinert.de>");
diff --git a/kernel/hb_rf_usb_2.c b/kernel/hb_rf_usb_2.c
index a4a966b..f0e3705 100644
--- a/kernel/hb_rf_usb_2.c
+++ b/kernel/hb_rf_usb_2.c
@@ -166,7 +166,11 @@ static int hb_rf_usb_2_gpio_get(struct gpio_chip *gc, unsigned int gpio)
   return port->gpio_value & BIT(gpio);
 }
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+static int hb_rf_usb_2_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
+#else
 static void hb_rf_usb_2_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
+#endif
 {
   struct hb_rf_usb_2_port_s *port = container_of(gc, struct hb_rf_usb_2_port_s, gc);
   unsigned long lock_flags;
@@ -181,6 +185,10 @@ static void hb_rf_usb_2_gpio_set(struct gpio_chip *gc, unsigned int gpio, int va
   hb_rf_usb_2_set_gpio_on_device(port, LED_GPIO_MASK, port->gpio_value << 1);
 
   spin_unlock_irqrestore(&port->gpio_lock, lock_flags);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+  return 0;
+#endif
 }
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
@@ -194,7 +202,11 @@ static int hb_rf_usb_2_gpio_get_multiple(struct gpio_chip *gc, unsigned long *ma
 }
 #endif
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+static int hb_rf_usb_2_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits)
+#else
 static void hb_rf_usb_2_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits)
+#endif
 {
   struct hb_rf_usb_2_port_s *port = container_of(gc, struct hb_rf_usb_2_port_s, gc);
   unsigned long lock_flags;
@@ -207,6 +219,10 @@ static void hb_rf_usb_2_gpio_set_multiple(struct gpio_chip *gc, unsigned long *m
   hb_rf_usb_2_set_gpio_on_device(port, LED_GPIO_MASK, port->gpio_value << 1);
 
   spin_unlock_irqrestore(&port->gpio_lock, lock_flags);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,17,0)
+  return 0;
+#endif
 }
 
 static int hb_rf_usb_2_start_connection(struct generic_raw_uart *raw_uart);
@@ -665,7 +681,7 @@ module_init(hb_rf_usb_2_init);
 module_exit(hb_rf_usb_2_exit);
 
 MODULE_LICENSE("GPL");
-MODULE_VERSION("1.17");
+MODULE_VERSION("1.18");
 MODULE_DESCRIPTION("HB-RF-USB-2 raw uart driver for communication of debmatic and piVCCU with the HM-MOD-RPI-PCB and RPI-RF-MOD radio modules");
 MODULE_AUTHOR("Alexander Reinert <alex@areinert.de>");
 MODULE_ALIAS("hb_rf_usb-2");
-- 
2.43.0


From 388ddd92758292d3e3006cd20f226ba85fb03ae4 Mon Sep 17 00:00:00 2001
From: Jens Maus <mail@jens-maus.de>
Date: Mon, 2 Feb 2026 08:31:24 +0100
Subject: [PATCH] add change to also provide kernel 6.19.x compatibility.

---
 kernel/hb_rf_eth.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/hb_rf_eth.c b/kernel/hb_rf_eth.c
index 6be599e..9c7e51d 100644
--- a/kernel/hb_rf_eth.c
+++ b/kernel/hb_rf_eth.c
@@ -251,7 +251,12 @@ static int hb_rf_eth_try_connect(char endpointIdentifier)
 
   hb_rf_eth_set_timeout(sock);
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,19,0)
+  err = sock->ops->connect(sock, (struct sockaddr_unsized *)&remote, sizeof(remote), 0);
+#else
   err = sock->ops->connect(sock, (struct sockaddr *)&remote, sizeof(remote), 0);
+#endif
+
   if (err < 0)
   {
     dev_err(dev, "Error %d while connecting to %pI4\n", err, &remote.sin_addr);
-- 
2.43.0


From 7b93ff4d1f51a3ac51432c52d52550a158fab27e Mon Sep 17 00:00:00 2001
From: Jens Maus <mail@jens-maus.de>
Date: Thu, 5 Feb 2026 18:35:46 +0100
Subject: [PATCH] fix prototype of __match_i2c_client_by_address to respect
 constified prototype change of device_find_child() in kernel 6.14+

---
 kernel/generic_raw_uart.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kernel/generic_raw_uart.c b/kernel/generic_raw_uart.c
index fac1ff6..2d48e0a 100644
--- a/kernel/generic_raw_uart.c
+++ b/kernel/generic_raw_uart.c
@@ -1051,7 +1051,11 @@ static spinlock_t active_devices_lock;
 static bool active_devices[MAX_DEVICES] = {false};
 
 #if defined(CONFIG_OF) && (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 18, 0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 14, 0))
+static int __match_i2c_client_by_address(struct device *dev, const void *addrp)
+#else
 static int __match_i2c_client_by_address(struct device *dev, void *addrp)
+#endif
 {
   struct i2c_client *client = i2c_verify_client(dev);
   int addr = *(int *)addrp;
@@ -1463,7 +1467,7 @@ EXPORT_SYMBOL(generic_raw_uart_verify_dkey);
 
 MODULE_ALIAS("platform:generic-raw-uart");
 MODULE_LICENSE("GPL");
-MODULE_VERSION("1.32");
+MODULE_VERSION("1.33");
 MODULE_DESCRIPTION("generic raw uart driver for communication of debmatic and piVCCU with the HM-MOD-RPI-PCB and RPI-RF-MOD radio modules");
 MODULE_AUTHOR("Alexander Reinert <alex@areinert.de>");
 
-- 
2.43.0