These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / arm / mach-pxa / mainstone.c

diff --git a/kernel/arch/arm/mach-pxa/mainstone.c b/kernel/arch/arm/mach-pxa/mainstone.c
index 2c0658c..c3a87c1 100644 (file)
--- a/kernel/arch/arm/mach-pxa/mainstone.c
+++ b/kernel/arch/arm/mach-pxa/mainstone.c
@@ -26,6 +26,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
+#include <linux/pwm.h>
 #include <linux/pwm_backlight.h>
 #include <linux/smc91x.h>
 #include <linux/i2c/pxa-i2c.h>
@@ -248,11 +249,14 @@ static struct platform_device mst_flash_device[2] = {
 };
 
 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static struct pwm_lookup mainstone_pwm_lookup[] = {
+       PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 78770,
+                  PWM_POLARITY_NORMAL),
+};
+
 static struct platform_pwm_backlight_data mainstone_backlight_data = {
-       .pwm_id         = 0,
        .max_brightness = 1023,
        .dft_brightness = 1023,
-       .pwm_period_ns  = 78770,
        .enable_gpio    = -1,
 };
 
@@ -266,9 +270,16 @@ static struct platform_device mainstone_backlight_device = {
 
 static void __init mainstone_backlight_register(void)
 {
-       int ret = platform_device_register(&mainstone_backlight_device);
-       if (ret)
+       int ret;
+
+       pwm_add_table(mainstone_pwm_lookup, ARRAY_SIZE(mainstone_pwm_lookup));
+
+       ret = platform_device_register(&mainstone_backlight_device);
+       if (ret) {
                printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
+               pwm_remove_table(mainstone_pwm_lookup,
+                                ARRAY_SIZE(mainstone_pwm_lookup));
+       }
 }
 #else
 #define mainstone_backlight_register() do { } while (0)