add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/media/i2c/sgm3784.c
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..
@@ -1,5 +1,8 @@
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 // SPDX-License-Identifier: GPL-2.0
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 // Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd.
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+/*
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+ * V0.0X01.0X01 fix get wrong time info issue.
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+ */
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 #include <linux/delay.h>
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 #include <linux/gpio/consumer.h>
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..
@@ -13,8 +16,9 @@
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 #include <linux/version.h>
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 #include <media/v4l2-ctrls.h>
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 #include <media/v4l2-device.h>
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+#include <linux/compat.h>
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20
 
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-#define DRIVER_VERSION			KERNEL_VERSION(0, 0x01, 0x0)
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+#define DRIVER_VERSION			KERNEL_VERSION(0, 0x01, 0x1)
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 #define SGM3784_NAME			"sgm3784"
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23
 
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 #define SGM3784_REG_ID			0x00
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@@ -63,7 +67,7 @@
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 	struct v4l2_ctrl_handler ctrls;
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 	struct v4l2_ctrl *flash_brt;
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 	struct v4l2_ctrl *torch_brt;
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-	struct timeval timestamp;
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+	struct __kernel_old_timeval timestamp;
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 	u32 max_flash_timeout;
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 	u32 max_flash_intensity;
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 	u32 max_torch_intensity;
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..
@@ -131,7 +135,7 @@
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135
 
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 	val = on ? SGM3784_ON : SGM3784_OFF;
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 	ret = sgm3784_i2c_write(flash, SGM3784_REG_ENABLE, val);
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-	flash->leds[0].timestamp = ns_to_timeval(ktime_get_ns());
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+	flash->leds[0].timestamp = ns_to_kernel_old_timeval(ktime_get_ns());
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 	flash->leds[1].timestamp = flash->leds[0].timestamp;
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 	return ret;
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 }
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@@ -452,53 +456,77 @@
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 	return 0;
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 }
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458
 
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-static long sgm3784_ioctl(struct v4l2_subdev *sd,
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-			 unsigned int cmd, void *arg)
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+static void sgm3784_get_time_info(struct v4l2_subdev *sd,
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+				  struct __kernel_old_timeval *ti)
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 {
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 	struct sgm3784_led *led =
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 		container_of(sd, struct sgm3784_led, sd);
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-	struct timeval *t;
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+	memset(ti, 0, sizeof(*ti));
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+	ti->tv_sec = led->timestamp.tv_sec;
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+	ti->tv_usec = led->timestamp.tv_usec;
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 	v4l2_dbg(1, debug, sd,
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-		 "%s: cmd 0x%x\n", __func__, cmd);
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+		 "%s: tv_sec:%ld, tv_usec:%ld\n", __func__, ti->tv_sec, ti->tv_usec);
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+}
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471
 
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-	if (cmd == RK_VIDIOC_FLASH_TIMEINFO) {
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-		t = (struct timeval *)arg;
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-		t->tv_sec = led->timestamp.tv_sec;
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-		t->tv_usec = led->timestamp.tv_usec;
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-	} else {
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-		return -EINVAL;
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+static long sgm3784_ioctl(struct v4l2_subdev *sd,
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+			 unsigned int cmd, void *arg)
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+{
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+	long ret = 0;
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+
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+	switch (cmd) {
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+	case RK_VIDIOC_FLASH_TIMEINFO:
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+		sgm3784_get_time_info(sd, (struct __kernel_old_timeval *)arg);
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+		break;
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+
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+	default:
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+		ret = -ENOIOCTLCMD;
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+		break;
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 	}
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-
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-	return 0;
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+	return ret;
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 }
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488
 
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 #ifdef CONFIG_COMPAT
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 #define RK_VIDIOC_COMPAT_FLASH_TIMEINFO \
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-	_IOR('V', BASE_VIDIOC_PRIVATE + 0, struct compat_timeval)
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+	_IOR('V', BASE_VIDIOC_PRIVATE + 0, struct old_timeval32)
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492
 
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 static long sgm3784_compat_ioctl32(struct v4l2_subdev *sd,
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 				  unsigned int cmd,
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 				  unsigned long arg)
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 {
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-	struct timeval t;
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-	struct compat_timeval compat_t;
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-	struct compat_timeval __user *p32 = compat_ptr(arg);
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+	void __user *up = compat_ptr(arg);
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+	struct old_timeval32 *compat_t;
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+	long ret;
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+	struct __kernel_old_timeval t;
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501
 
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 	v4l2_dbg(1, debug, sd,
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 		 "%s: cmd 0x%x\n", __func__, cmd);
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-	if (cmd == RK_VIDIOC_COMPAT_FLASH_TIMEINFO) {
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-		sgm3784_ioctl(sd, RK_VIDIOC_FLASH_TIMEINFO, &t);
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-		compat_t.tv_sec = t.tv_sec;
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-		compat_t.tv_usec = t.tv_usec;
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-		put_user(compat_t.tv_sec, &p32->tv_sec);
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-		put_user(compat_t.tv_usec, &p32->tv_usec);
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-	} else {
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-		return -EINVAL;
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+	switch (cmd) {
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+	case RK_VIDIOC_COMPAT_FLASH_TIMEINFO:
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+		compat_t = kzalloc(sizeof(*compat_t), GFP_KERNEL);
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+		if (!compat_t) {
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+			ret = -ENOMEM;
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+			return ret;
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+		}
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+		ret = sgm3784_ioctl(sd, RK_VIDIOC_FLASH_TIMEINFO, &t);
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+		if (!ret) {
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+			compat_t->tv_sec = t.tv_sec;
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+			compat_t->tv_usec = t.tv_usec;
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+			ret = copy_to_user(up, compat_t, sizeof(*compat_t));
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+			if (ret)
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+				ret = -EFAULT;
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+		}
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+		kfree(compat_t);
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+		break;
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+
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+	default:
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+		ret = -ENOIOCTLCMD;
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+		break;
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 	}
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-	return 0;
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+	return ret;
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+
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 }
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531
 #endif
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