cfi_cmdset_0002.c: Read max timeouts from cfi query data
PATCH 1/2 cfi_cmdset_0002.c: Read max timeouts from cfi query data
The max timeouts are coded in the electronic flash data sheet (CFI query data). Read the timeouts and store them in the chips structure table.
Signed-off-by Markus Niebel <[email protected]>
---
drivers/mtd/chips/cfi_cmdset_0002.c | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-)
drivers/mtd/chips/cfi_cmdset_0002.c +21 -0
@@ -429,6 +429,27 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) cfi->chips[i].word_write_time =1 <<cfi->cfiq->WordWriteTimeoutTyp; cfi->chips[i].buffer_write_time =1 <<cfi->cfiq->BufWriteTimeoutTyp; cfi->chips[i].erase_time =1 <<cfi->cfiq->BlockEraseTimeoutTyp; + +/* FIXME: use also max times, verify if valid */ + cfi->chips[i].word_write_time_max = + (1 <<(cfi->cfiq->WordWriteTimeoutTyp)) * + (1 <<(cfi->cfiq->WordWriteTimeoutMax)); + cfi->chips[i].buffer_write_time_max = + (1 <<(cfi->cfiq->BufWriteTimeoutTyp)) * + (1 <<(cfi->cfiq->BufWriteTimeoutMax)); + cfi->chips[i].erase_time_max = + (1 <<(cfi->cfiq->BlockEraseTimeoutTyp)) * + (1 <<(cfi->cfiq->BlockEraseTimeoutMax)); + +printk (KERN_INFO "MTD: %s erase time %u / %u ms\n" , __func__, + cfi->chips[i].erase_time, cfi->chips[i].erase_time_max); +printk (KERN_INFO "MTD: %s word time %u / %u us\n" , __func__, + cfi->chips[i].word_write_time, + cfi->chips[i].word_write_time_max); +printk (KERN_INFO "MTD: %s buffer time %u / %u us\n" , __func__, + cfi->chips[i].buffer_write_time, + cfi->chips[i].buffer_write_time_max); + cfi->chips[i].ref_point_counter =0 ;init_waitqueue_head (&(cfi->chips[i].wq)); }
Quoted 4 lines · Markus Niebel
The max timeouts are coded in the electronic flash data sheet (CFI query data). Read the timeouts and store them in the chips structure table.
Signed-off-by Markus Niebel <[email protected]>
Hi,
could CFI guys please review these patches?
http://thread.gmane.org/gmane.linux.drivers.mtd/34176
http://thread.gmane.org/gmane.linux.drivers.mtd/34177
Signature · 2 lines
Best Regards, Artem Bityutskiy (Артём Битюцкий)