From c66ebde4d988b592e8f0008e04c47cc4950a49d3 Mon Sep 17 00:00:00 2001 From: Freeman Liu Date: Mon, 23 Mar 2020 15:00:03 +0000 Subject: [PATCH] nvmem: sprd: Fix the block lock operation According to the Spreadtrum eFuse specification, we should write 0 to the block to trigger the lock operation. Fixes: 096030e7f449 ("nvmem: sprd: Add Spreadtrum SoCs eFuse support") Cc: stable Signed-off-by: Freeman Liu Signed-off-by: Baolin Wang Signed-off-by: Srinivas Kandagatla Link: https://lore.kernel.org/r/20200323150007.7487-2-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/nvmem/sprd-efuse.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvmem/sprd-efuse.c b/drivers/nvmem/sprd-efuse.c index 2f1e0fbd1901..7a189ef52333 100644 --- a/drivers/nvmem/sprd-efuse.c +++ b/drivers/nvmem/sprd-efuse.c @@ -239,7 +239,7 @@ static int sprd_efuse_raw_prog(struct sprd_efuse *efuse, u32 blk, bool doub, ret = -EBUSY; } else { sprd_efuse_set_prog_lock(efuse, lock); - writel(*data, efuse->base + SPRD_EFUSE_MEM(blk)); + writel(0, efuse->base + SPRD_EFUSE_MEM(blk)); sprd_efuse_set_prog_lock(efuse, false); }