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drivers: rk_nand: zftl static wear leveling strategy optimize

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1. Garbage collection does not deal with the updated blocks.
2. Static wear considers the SLC mode erase count and XLC
mode erase count

Change-Id: I3a404a686e48f8ae44f5e7e507f6d1ef633671d4
Signed-off-by: Yifeng Zhao <zyf@rock-chips.com>
This commit is contained in:
Yifeng Zhao 2018-05-10 14:54:08 +08:00 committed by Tao Huang
parent 6bd134260e
commit 9f091f9fc6
2 changed files with 9655 additions and 10081 deletions
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7
drivers/rk_nand/rk_nand_blk.c
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@ -234,7 +234,7 @@ static int nand_blktrans_thread(void *arg)
int req_empty_times = 0;
spin_lock_irq(rq->queue_lock);
rk_ftl_gc_jiffies = HZ * 5;
rk_ftl_gc_jiffies = HZ / 10; /* do garbage collect after 100ms */
rk_ftl_gc_do = 0;
rk_ftl_gc_timeout.expires = jiffies + rk_ftl_gc_jiffies;
add_timer(&rk_ftl_gc_timeout);
@ -477,8 +477,9 @@ static int nand_prase_cmdline_part(struct nand_part *pdisk_part)
> cap_size) {
pdisk_part[i].size = cap_size -
pdisk_part[i].offset;
pr_err("partition config error....\n");
if (pdisk_part[i].size)
pr_err("partition error....max cap:%x\n",
cap_size);
if (!pdisk_part[i].size)
return i;
else
return (i + 1);

19729
drivers/rk_nand/rk_zftl_arm64.S
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