hi3516cv500: fix init wrappers and MMZ for Linux 6.6-7.0

- platform_driver.remove void return (sys_config, mipi_rx, sys, base init)
- ctl_table.child and register_sysctl_table removal (base_init)
- list_for_each type safety in mmz_userdev
- pud_offset API change in media_mem

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Vixand

kernel/init/hi3516cv500/base_init.c

@@ -1,6 +1,7 @@
 #include <linux/module.h>
 
 #include "mod_ext.h"
+#include "../../compat/kernel_compat.h"
 
 extern int HI_LOG(hi_s32 level, hi_mod_id mod_id, const char *fmt, ...);
 EXPORT_SYMBOL(HI_LOG);
@@ -58,6 +59,7 @@ static struct ctl_table comm_eproc_table[] = {
     {}
 };
 
+#ifndef COMPAT_NO_SYSCTL_TABLE
 static struct ctl_table comm_dir_table[] = {
     {
         .procname       = "debug",
@@ -75,12 +77,17 @@ static struct ctl_table comm_parent_tbl[] = {
     },
     {}
 };
+#endif
 
 static struct ctl_table_header *comm_eproc_tbl_head;
 
 int __init comm_init_proc_ctrl(void)
 {
+#ifdef COMPAT_NO_SYSCTL_TABLE
+    comm_eproc_tbl_head = compat_register_sysctl("dev/debug", comm_eproc_table);
+#else
     comm_eproc_tbl_head = register_sysctl_table(comm_parent_tbl);
+#endif
     if (!comm_eproc_tbl_head)
         return -ENOMEM;
     return 0;

kernel/init/hi3516cv500/mipi_rx_init.c

@@ -10,6 +10,7 @@
 #include <linux/printk.h>
 #include <linux/version.h>
 #include <linux/of_platform.h>
+#include "../../compat/kernel_compat.h"
 
 extern unsigned int g_mipi_rx_irq_num;
 extern void *g_mipi_rx_regs_va;
@@ -36,12 +37,12 @@ static int hi35xx_mipi_rx_probe(struct platform_device *pdev)
     return mipi_rx_mod_init();
 }
 
-static int hi35xx_mipi_rx_remove(struct platform_device *pdev)
+static compat_platform_remove_ret hi35xx_mipi_rx_remove(struct platform_device *pdev)
 {
     mipi_rx_mod_exit();
     g_mipi_rx_regs_va = NULL;
 
-    return 0;
+    compat_platform_remove_return;
 }
 
 static const struct of_device_id g_hi35xx_mipi_rx_match[] = {

kernel/init/hi3516cv500/sys_init.c

@@ -3,6 +3,7 @@
 #include <linux/printk.h>
 #include <linux/version.h>
 #include <linux/of_platform.h>
+#include "../../compat/kernel_compat.h"
 
 #include "hi_type.h"
 #include "hi_osal.h"
@@ -62,7 +63,7 @@ static int hi35xx_sys_probe(struct platform_device *pdev)
     return 0;
 }
 
-static int hi35xx_sys_remove(struct platform_device *pdev)
+static compat_platform_remove_ret hi35xx_sys_remove(struct platform_device *pdev)
 {
     sys_do_mod_exit();
 
@@ -71,7 +72,7 @@ static int hi35xx_sys_remove(struct platform_device *pdev)
     g_reg_ddr0_base_va = NULL;
     g_reg_misc_base_va = NULL;
 
-    return 0;
+    compat_platform_remove_return;
 }
 
 static const struct of_device_id hi35xx_sys_match[] = {

kernel/osal/hi3516cv500/mmz/media_mem.c

@@ -628,7 +628,19 @@ unsigned long usr_virt_to_phys(unsigned long virt)
         return 0;
     }
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
+    {
+        p4d_t *p4d;
+        p4d = p4d_offset(pgd, virt);
+        if (p4d_none(*p4d)) {
+            printk("printk: not mapped in p4d!\n");
+            return 0;
+        }
+        pud = pud_offset(p4d, virt);
+    }
+#else
     pud = pud_offset(pgd, virt);
+#endif
     if (pud_none(*pud)) {
         printk("printk: not mapped in pud!\n");
         return 0;

kernel/osal/hi3516cv500/mmz/mmz_userdev.c

@@ -860,7 +860,7 @@ static int mmz_userdev_release(struct inode *inode, struct file *file)
     struct mmb_info *p = NULL;
     struct mmb_info *n = NULL;
 
-    list_for_each_entry_safe(p, n, &pmu->list, list) {
+    osal_list_for_each_entry_safe(p, n, &pmu->list, list) {
         error("MMB LEAK(pid=%d): 0x%lX, %lu bytes, '%s'\n",
               pmu->pid, hil_mmb_phys(p->mmb),
               hil_mmb_length(p->mmb),

kernel/sys_config/hi3516cv500/sys_config.c

@@ -14,6 +14,7 @@
 #include <linux/types.h>
 #include <asm/io.h>
 #include "hi_osal.h"
+#include "../../compat/kernel_compat.h"
 
 #define VO_BT1120_EN      0
 #define VO_BT656_EN       0
@@ -936,7 +937,7 @@ void sensor_bus_pin_mux(int index, bus_type bus_type, const char *name)
     }
 }
 
-static void sensor_clk_config(char *s)
+static void sensor_clk_config(char *s)
 {
     int ret;
     int index;
@@ -1126,10 +1127,10 @@ static int sys_config_probe(struct platform_device* pdev)
     return hi_sysconfig_init(g_cmos_yuv_flag, g_online_flag, g_chip_list, g_sensor_list);
 }
 
-static int sys_config_remove(struct platform_device* pdev)
+static compat_platform_remove_ret sys_config_remove(struct platform_device* pdev)
 {
     hi_sysconfig_exit();
-    return 0;
+    compat_platform_remove_return;
 }
 
 static const struct of_device_id g_sys_config_match[] = {