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SubjectRe: [PATCH 3/4] lightnvm: add 2.0 geometry identification
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On 02/05/2018 04:15 AM, Matias Bjørling wrote:
> Implement the geometry data structures for 2.0 and enable a drive
> to be identified as one, including exposing the appropriate 2.0
> sysfs entries.
>
> Signed-off-by: Matias Bjørling <mb@lightnvm.io>
> ---
> drivers/lightnvm/core.c | 2 +-
> drivers/nvme/host/lightnvm.c | 334 +++++++++++++++++++++++++++++++++++++------
> include/linux/lightnvm.h | 11 +-
> 3 files changed, 295 insertions(+), 52 deletions(-)
>
> diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
> index c72863b36439..250e74dfa120 100644
> --- a/drivers/lightnvm/core.c
> +++ b/drivers/lightnvm/core.c
> @@ -934,7 +934,7 @@ static int nvm_init(struct nvm_dev *dev)
> pr_debug("nvm: ver:%x nvm_vendor:%x\n",
> dev->identity.ver_id, dev->identity.vmnt);
>
> - if (dev->identity.ver_id != 1) {
> + if (dev->identity.ver_id != 1 && dev->identity.ver_id != 2) {
> pr_err("nvm: device not supported by kernel.");
> goto err;
> }

Hi,
The pr_err() above could be a bit more informative to the user. E.g.,
pr_err("nvm: device ver_id %d not supported by kernel.",
dev->identity.ver_id);

BTW, isn't that line missing a '\n'?

--
~Randy

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