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Revert "thunderbolt: Prevent crash if non-active NVMem file is read"

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This reverts commit 03cd45d2e2.

Commit 664f054938 ("nvmem: core: use is_bin_visible for permissions")
incidentally adds support for write-only nvmem. Hence, this workaround
is no longer required, so drop it.

Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Nicholas Johnson 2020-04-14 02:04:25 +08:00 committed by Mika Westerberg
parent 8f3d9f3542
commit cbb5494ebc
1 changed files with 0 additions and 7 deletions
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7
drivers/thunderbolt/switch.c
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@ -348,12 +348,6 @@ out:
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;
}