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Subject[PATCH v2 3/3] Revert "thunderbolt: Prevent crash if non-active NVMem file is read"
Date
This reverts commit 03cd45d2e219301880cabc357e3cf478a500080f.

Since NVMEM subsystem gained support for write-only instances, this
workaround is no longer required, so drop it.

Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
---
drivers/thunderbolt/switch.c | 7 -------
1 file changed, 7 deletions(-)

diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 7d6ecc342..ad5479f21 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -348,12 +348,6 @@ static int tb_switch_nvm_read(void *priv, unsigned int offset, void *val,
return ret;
}

-static int tb_switch_nvm_no_read(void *priv, unsigned int offset, void *val,
- size_t bytes)
-{
- return -EPERM;
-}
-
static int tb_switch_nvm_write(void *priv, unsigned int offset, void *val,
size_t bytes)
{
@@ -399,7 +393,6 @@ static struct nvmem_device *register_nvmem(struct tb_switch *sw, int id,
config.read_only = true;
} else {
config.name = "nvm_non_active";
- config.reg_read = tb_switch_nvm_no_read;
config.reg_write = tb_switch_nvm_write;
config.root_only = true;
}
--
2.25.1
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