X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=target%2Flinux%2Fgeneric-2.6%2Fpatches-2.6.23%2F009-revert_intel_flash_breakage.patch;fp=target%2Flinux%2Fgeneric-2.6%2Fpatches-2.6.23%2F009-revert_intel_flash_breakage.patch;h=0000000000000000000000000000000000000000;hp=6f84835d71364a97d554edc27fbe687a3de6e88b;hb=f709a22c9a7c4da46e466bd1db93359d27c182f6;hpb=597de4dda079f53e6211e42ce5d076e22f479677

diff --git a/target/linux/generic-2.6/patches-2.6.23/009-revert_intel_flash_breakage.patch b/target/linux/generic-2.6/patches-2.6.23/009-revert_intel_flash_breakage.patch
deleted file mode 100644
index 6f84835d71..0000000000
--- a/target/linux/generic-2.6/patches-2.6.23/009-revert_intel_flash_breakage.patch
+++ /dev/null
@@ -1,169 +0,0 @@
---- a/drivers/mtd/chips/cfi_cmdset_0001.c
-+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
-@@ -933,7 +933,7 @@ static void __xipram xip_enable(struct m
- 
- static int __xipram xip_wait_for_operation(
- 		struct map_info *map, struct flchip *chip,
--		unsigned long adr, unsigned int chip_op_time )
-+		unsigned long adr, int *chip_op_time )
- {
- 	struct cfi_private *cfi = map->fldrv_priv;
- 	struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
-@@ -942,7 +942,7 @@ static int __xipram xip_wait_for_operati
- 	flstate_t oldstate, newstate;
- 
-        	start = xip_currtime();
--	usec = chip_op_time * 8;
-+	usec = *chip_op_time * 8;
- 	if (usec == 0)
- 		usec = 500000;
- 	done = 0;
-@@ -1052,8 +1052,8 @@ static int __xipram xip_wait_for_operati
- #define XIP_INVAL_CACHED_RANGE(map, from, size)  \
- 	INVALIDATE_CACHED_RANGE(map, from, size)
- 
--#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec) \
--	xip_wait_for_operation(map, chip, cmd_adr, usec)
-+#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, p_usec) \
-+	xip_wait_for_operation(map, chip, cmd_adr, p_usec)
- 
- #else
- 
-@@ -1065,65 +1065,65 @@ static int __xipram xip_wait_for_operati
- static int inval_cache_and_wait_for_operation(
- 		struct map_info *map, struct flchip *chip,
- 		unsigned long cmd_adr, unsigned long inval_adr, int inval_len,
--		unsigned int chip_op_time)
-+		int *chip_op_time )
- {
- 	struct cfi_private *cfi = map->fldrv_priv;
- 	map_word status, status_OK = CMD(0x80);
--	int chip_state = chip->state;
--	unsigned int timeo, sleep_time;
-+	int z, chip_state = chip->state;
-+	unsigned long timeo;
- 
- 	spin_unlock(chip->mutex);
- 	if (inval_len)
- 		INVALIDATE_CACHED_RANGE(map, inval_adr, inval_len);
-+	if (*chip_op_time)
-+		cfi_udelay(*chip_op_time);
- 	spin_lock(chip->mutex);
- 
--	/* set our timeout to 8 times the expected delay */
--	timeo = chip_op_time * 8;
--	if (!timeo)
--		timeo = 500000;
--	sleep_time = chip_op_time / 2;
-+	timeo = *chip_op_time * 8 * HZ / 1000000;
-+	if (timeo < HZ/2)
-+		timeo = HZ/2;
-+	timeo += jiffies;
- 
-+	z = 0;
- 	for (;;) {
-+		if (chip->state != chip_state) {
-+			/* Someone's suspended the operation: sleep */
-+			DECLARE_WAITQUEUE(wait, current);
-+
-+			set_current_state(TASK_UNINTERRUPTIBLE);
-+			add_wait_queue(&chip->wq, &wait);
-+			spin_unlock(chip->mutex);
-+			schedule();
-+			remove_wait_queue(&chip->wq, &wait);
-+			timeo = jiffies + (HZ / 2); /* FIXME */
-+			spin_lock(chip->mutex);
-+			continue;
-+		}
-+
- 		status = map_read(map, cmd_adr);
- 		if (map_word_andequal(map, status, status_OK, status_OK))
- 			break;
- 
--		if (!timeo) {
-+		/* OK Still waiting */
-+		if (time_after(jiffies, timeo)) {
- 			map_write(map, CMD(0x70), cmd_adr);
- 			chip->state = FL_STATUS;
- 			return -ETIME;
- 		}
- 
--		/* OK Still waiting. Drop the lock, wait a while and retry. */
-+		/* Latency issues. Drop the lock, wait a while and retry */
-+		z++;
- 		spin_unlock(chip->mutex);
--		if (sleep_time >= 1000000/HZ) {
--			/*
--			 * Half of the normal delay still remaining
--			 * can be performed with a sleeping delay instead
--			 * of busy waiting.
--			 */
--			msleep(sleep_time/1000);
--			timeo -= sleep_time;
--			sleep_time = 1000000/HZ;
--		} else {
--			udelay(1);
--			cond_resched();
--			timeo--;
--		}
-+		cfi_udelay(1);
- 		spin_lock(chip->mutex);
--
--		while (chip->state != chip_state) {
--			/* Someone's suspended the operation: sleep */
--			DECLARE_WAITQUEUE(wait, current);
--			set_current_state(TASK_UNINTERRUPTIBLE);
--			add_wait_queue(&chip->wq, &wait);
--			spin_unlock(chip->mutex);
--			schedule();
--			remove_wait_queue(&chip->wq, &wait);
--			spin_lock(chip->mutex);
--		}
- 	}
- 
-+	if (!z) {
-+		if (!--(*chip_op_time))
-+			*chip_op_time = 1;
-+	} else if (z > 1)
-+		++(*chip_op_time);
-+
- 	/* Done and happy. */
-  	chip->state = FL_STATUS;
- 	return 0;
-@@ -1132,7 +1132,8 @@ static int inval_cache_and_wait_for_oper
- #endif
- 
- #define WAIT_TIMEOUT(map, chip, adr, udelay) \
--	INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay);
-+	({ int __udelay = (udelay); \
-+	   INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, &__udelay); })
- 
- 
- static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t adr, size_t len)
-@@ -1356,7 +1357,7 @@ static int __xipram do_write_oneword(str
- 
- 	ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
- 				   adr, map_bankwidth(map),
--				   chip->word_write_time);
-+				   &chip->word_write_time);
- 	if (ret) {
- 		xip_enable(map, chip, adr);
- 		printk(KERN_ERR "%s: word write error (status timeout)\n", map->name);
-@@ -1593,7 +1594,7 @@ static int __xipram do_write_buffer(stru
- 
- 	ret = INVAL_CACHE_AND_WAIT(map, chip, cmd_adr,
- 				   adr, len,
--				   chip->buffer_write_time);
-+				   &chip->buffer_write_time);
- 	if (ret) {
- 		map_write(map, CMD(0x70), cmd_adr);
- 		chip->state = FL_STATUS;
-@@ -1728,7 +1729,7 @@ static int __xipram do_erase_oneblock(st
- 
- 	ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
- 				   adr, len,
--				   chip->erase_time);
-+				   &chip->erase_time);
- 	if (ret) {
- 		map_write(map, CMD(0x70), adr);
- 		chip->state = FL_STATUS;