--- zzzz-none-000/linux-3.10.107/arch/arm/mach-pxa/cm-x300.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-pxa/cm-x300.c	2021-02-04 17:41:59.000000000 +0000
@@ -26,10 +26,11 @@
 #include <linux/dm9000.h>
 #include <linux/leds.h>
 #include <linux/rtc-v3020.h>
+#include <linux/pwm.h>
 #include <linux/pwm_backlight.h>
 
 #include <linux/i2c.h>
-#include <linux/i2c/pca953x.h>
+#include <linux/platform_data/pca953x.h>
 #include <linux/i2c/pxa-i2c.h>
 
 #include <linux/mfd/da903x.h>
@@ -305,11 +306,15 @@
 #endif
 
 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
+static struct pwm_lookup cm_x300_pwm_lookup[] = {
+	PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 10000,
+		   PWM_POLARITY_NORMAL),
+};
+
 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
-	.pwm_id		= 2,
 	.max_brightness	= 100,
 	.dft_brightness	= 100,
-	.pwm_period_ns	= 10000,
+	.enable_gpio	= -1,
 };
 
 static struct platform_device cm_x300_backlight_device = {
@@ -322,6 +327,7 @@
 
 static void cm_x300_init_bl(void)
 {
+	pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
 	platform_device_register(&cm_x300_backlight_device);
 }
 #else
@@ -834,10 +840,11 @@
 	cm_x300_init_ac97();
 	cm_x300_init_wi2wi();
 	cm_x300_init_bl();
+
+	regulator_has_full_constraints();
 }
 
-static void __init cm_x300_fixup(struct tag *tags, char **cmdline,
-				 struct meminfo *mi)
+static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
 {
 	/* Make sure that mi->bank[0].start = PHYS_ADDR */
 	for (; tags->hdr.size; tags = tag_next(tags))