Merge branch 'davinci-backports'

drivers/mtd/mtdpart.c

@@ -26,6 +26,7 @@ static LIST_HEAD(mtd_partitions);
 struct mtd_part {
 	struct mtd_info mtd;
 	struct mtd_info *master;
+	struct memory_accessor macc;
 	uint64_t offset;
 	struct list_head list;
 };
@@ -327,6 +328,39 @@ int del_mtd_partitions(struct mtd_info *master)
 }
 EXPORT_SYMBOL(del_mtd_partitions);
 
+/*
+ * This lets other kernel code access the flash data. For example, it
+ * might hold a board's Ethernet address, or board-specific calibration
+ * data generated on the manufacturing floor.
+ */
+static ssize_t mtd_macc_read(struct memory_accessor *macc, char *buf,
+			off_t offset, size_t count)
+{
+	struct mtd_part *part = container_of(macc, struct mtd_part, macc);
+	ssize_t ret = -EIO;
+	size_t retlen;
+
+	if (part_read((struct mtd_info *)part, offset, count,
+			&retlen, buf) == 0)
+		ret = retlen;
+
+	return ret;
+}
+
+static ssize_t mtd_macc_write(struct memory_accessor *macc, const char *buf,
+			off_t offset, size_t count)
+{
+	struct mtd_part *part = container_of(macc, struct mtd_part, macc);
+	ssize_t ret = -EIO;
+	size_t retlen;
+
+	if (part_write((struct mtd_info *)part, offset, count,
+			&retlen, buf) == 0)
+		ret = retlen;
+
+	return ret;
+}
+
 static struct mtd_part *add_one_partition(struct mtd_info *master,
 		const struct mtd_partition *part, int partno,
 		uint64_t cur_offset)
@@ -364,6 +398,9 @@ static struct mtd_part *add_one_partition(struct mtd_info *master,
 	slave->mtd.read = part_read;
 	slave->mtd.write = part_write;
 
+	slave->macc.read = mtd_macc_read;
+	slave->macc.write = mtd_macc_write;
+
 	if (master->panic_write)
 		slave->mtd.panic_write = part_panic_write;
 
@@ -428,6 +465,9 @@ static struct mtd_part *add_one_partition(struct mtd_info *master,
 	printk(KERN_NOTICE "0x%012llx-0x%012llx : \"%s\"\n", (unsigned long long)slave->offset,
 		(unsigned long long)(slave->offset + slave->mtd.size), slave->mtd.name);
 
+	if (part->setup)
+		part->setup(&slave->macc, (void *)part->context);
+
 	/* let's do some sanity checks */
 	if (slave->offset >= master->size) {
 		/* let's register it anyway to preserve ordering */

drivers/net/davinci_emac.c

@@ -2817,7 +2817,7 @@ static int __init davinci_emac_init(void)
 {
 	return platform_driver_register(&davinci_emac_driver);
 }
-module_init(davinci_emac_init);
+late_initcall(davinci_emac_init);
 
 /**
  * davinci_emac_exit: EMAC driver module exit

drivers/staging/panel/panel.c

@@ -243,6 +243,7 @@ static unsigned char lcd_bits[LCD_PORTS][LCD_BITS][BIT_STATES];
  */
 #define LCD_PROTO_PARALLEL      0
 #define LCD_PROTO_SERIAL        1
+#define LCD_PROTO_TI_DA8XX_LCD	2
 
 /*
  * LCD character sets
@@ -440,7 +441,8 @@ MODULE_PARM_DESC(lcd_type,
 
 static int lcd_proto = -1;
 module_param(lcd_proto, int, 0000);
-MODULE_PARM_DESC(lcd_proto, "LCD communication: 0=parallel (//), 1=serial");
+MODULE_PARM_DESC(lcd_proto, "LCD communication: 0=parallel (//), 1=serial,"
+		"2=TI LCD Interface");
 
 static int lcd_charset = -1;
 module_param(lcd_charset, int, 0000);
@@ -797,6 +799,26 @@ static void lcd_write_data_p8(int data)
 	spin_unlock(&pprt_lock);
 }
 
+/* send a command to the TI LCD panel */
+static void lcd_write_cmd_tilcd(int cmd)
+{
+	spin_lock(&pprt_lock);
+	/* present the data to the control port */
+	w_ctr(pprt, cmd);
+	udelay(60);
+	spin_unlock(&pprt_lock);
+}
+
+/* send data to the TI LCD panel */
+static void lcd_write_data_tilcd(int data)
+{
+	spin_lock(&pprt_lock);
+	/* present the data to the data port */
+	w_dtr(pprt, data);
+	udelay(60);
+	spin_unlock(&pprt_lock);
+}
+
 static void lcd_gotoxy(void)
 {
 	lcd_write_cmd(0x80	/* set DDRAM address */
@@ -870,6 +892,26 @@ static void lcd_clear_fast_p8(void)
 	lcd_gotoxy();
 }
 
+/* fills the display with spaces and resets X/Y */
+static void lcd_clear_fast_tilcd(void)
+{
+	int pos;
+	lcd_addr_x = lcd_addr_y = 0;
+	lcd_gotoxy();
+
+	spin_lock(&pprt_lock);
+	for (pos = 0; pos < lcd_height * lcd_hwidth; pos++) {
+		/* present the data to the data port */
+		w_dtr(pprt, ' ');
+		udelay(60);
+	}
+
+	spin_unlock(&pprt_lock);
+
+	lcd_addr_x = lcd_addr_y = 0;
+	lcd_gotoxy();
+}
+
 /* clears the display and resets X/Y */
 static void lcd_clear_display(void)
 {
@@ -1396,7 +1438,7 @@ void lcd_init(void)
 		if (lcd_da_pin == PIN_NOT_SET)
 			lcd_da_pin = DEFAULT_LCD_PIN_SDA;
 
-	} else {		/* PARALLEL */
+	} else if (lcd_proto == LCD_PROTO_PARALLEL) {	/* PARALLEL */
 		lcd_write_cmd = lcd_write_cmd_p8;
 		lcd_write_data = lcd_write_data_p8;
 		lcd_clear_fast = lcd_clear_fast_p8;
@@ -1407,6 +1449,10 @@ void lcd_init(void)
 			lcd_rs_pin = DEFAULT_LCD_PIN_RS;
 		if (lcd_rw_pin == PIN_NOT_SET)
 			lcd_rw_pin = DEFAULT_LCD_PIN_RW;
+	} else {
+		lcd_write_cmd = lcd_write_cmd_tilcd;
+		lcd_write_data = lcd_write_data_tilcd;
+		lcd_clear_fast = lcd_clear_fast_tilcd;
 	}
 
 	if (lcd_bl_pin == PIN_NOT_SET)

include/linux/mtd/partitions.h

@@ -10,6 +10,7 @@
 #define MTD_PARTITIONS_H
 
 #include <linux/types.h>
+#include <linux/memory.h>
 
 
 /*
@@ -40,6 +41,8 @@ struct mtd_partition {
 	uint64_t offset;		/* offset within the master MTD space */
 	uint32_t mask_flags;		/* master MTD flags to mask out for this partition */
 	struct nand_ecclayout *ecclayout;	/* out of band layout for this partition (NAND only)*/
+	void (*setup)(struct memory_accessor *, void *context);
+	void *context;
 };
 
 #define MTDPART_OFS_NXTBLK	(-2)