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path: root/target/linux/etrax/patches/generic_2.6/009-revert_intel_flash_breakage.patch
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Diffstat (limited to 'target/linux/etrax/patches/generic_2.6/009-revert_intel_flash_breakage.patch')
-rw-r--r--target/linux/etrax/patches/generic_2.6/009-revert_intel_flash_breakage.patch169
1 files changed, 0 insertions, 169 deletions
diff --git a/target/linux/etrax/patches/generic_2.6/009-revert_intel_flash_breakage.patch b/target/linux/etrax/patches/generic_2.6/009-revert_intel_flash_breakage.patch
deleted file mode 100644
index ea06360c48..0000000000
--- a/target/linux/etrax/patches/generic_2.6/009-revert_intel_flash_breakage.patch
+++ /dev/null
@@ -1,169 +0,0 @@
---- linux.old/drivers/mtd/chips/cfi_cmdset_0001.c 2007-02-13 02:41:50.816650352 +0100
-+++ linux.dev/drivers/mtd/chips/cfi_cmdset_0001.c 2007-02-13 02:42:13.782159064 +0100
-@@ -908,7 +908,7 @@
-
- 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;
-@@ -917,7 +917,7 @@
- flstate_t oldstate, newstate;
-
- start = xip_currtime();
-- usec = chip_op_time * 8;
-+ usec = *chip_op_time * 8;
- if (usec == 0)
- usec = 500000;
- done = 0;
-@@ -1027,8 +1027,8 @@
- #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
-
-@@ -1040,65 +1040,65 @@
- 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;
-@@ -1107,7 +1107,8 @@
- #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)
-@@ -1331,7 +1332,7 @@
-
- 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);
-@@ -1568,7 +1569,7 @@
-
- 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;
-@@ -1703,7 +1704,7 @@
-
- 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;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 20:13:32 +0000