Messages in this thread Patch in this message | | | From | Knox Chiou <> | Subject | [PATCH] nvmem: qfprom: Increase fuse blow timeout to prevent write fail. | Date | Fri, 7 Jan 2022 10:31:11 +0800 |
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sc7180 blow fuses got slightly chances to hit qfprom_reg_write timeout. Current timeout is simply too low. Since blowing fuses is a very rare operation, so the risk associated with overestimating this number is low. Increase fuse blow timeout from 1ms to 10ms.
Signed-off-by: Knox Chiou <knoxchiou@chromium.org> ---
drivers/nvmem/qfprom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvmem/qfprom.c b/drivers/nvmem/qfprom.c index c500d6235bf6b..1840d400fb53c 100644 --- a/drivers/nvmem/qfprom.c +++ b/drivers/nvmem/qfprom.c @@ -22,7 +22,7 @@ /* Amount of time required to hold charge to blow fuse in micro-seconds */ #define QFPROM_FUSE_BLOW_POLL_US 100 -#define QFPROM_FUSE_BLOW_TIMEOUT_US 1000 +#define QFPROM_FUSE_BLOW_TIMEOUT_US 10000 #define QFPROM_BLOW_STATUS_OFFSET 0x048 #define QFPROM_BLOW_STATUS_BUSY 0x1 -- 2.34.1.448.ga2b2bfdf31-goog
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