Hi,
On 02/15/2017 05:53 AM, Heiner Kallweit wrote:
> Now that the new lifetime parameters are available in struct mmc_ext_csd
> we can use this information to warn the user if card is close to or
> beyond end of its lifetime.
I don't know this patch has which benefit to user.
I think it doesn't need to show the life time in kernel side.
Best Regards,
Jaehoon Chung
>
> Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
> ---
> drivers/mmc/core/bus.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
> index 30124651..ab20d242 100644
> --- a/drivers/mmc/core/bus.c
> +++ b/drivers/mmc/core/bus.c
> @@ -345,6 +345,22 @@ int mmc_add_card(struct mmc_card *card)
> uhs_bus_speed_mode, type, card->rca);
> }
>
> + if (card->ext_csd.device_life_time_est_typ_a == 0xb ||
> + card->ext_csd.device_life_time_est_typ_b == 0xb)
> + pr_err("%s: memory has exceeded its life time",
> + mmc_hostname(card->host));
> + else if (card->ext_csd.device_life_time_est_typ_a == 0xa ||
> + card->ext_csd.device_life_time_est_typ_b == 0xa)
> + pr_warn("%s: memory has used more than 90%% of its life time\n",
> + mmc_hostname(card->host));
> +
> + if (card->ext_csd.pre_eol_info == 3)
> + pr_err("%s: out of reserved blocks\n",
> + mmc_hostname(card->host));
> + else if (card->ext_csd.pre_eol_info == 2)
> + pr_warn("%s: more than 80%% of reserved blocks consumed\n",
> + mmc_hostname(card->host));
> +
> #ifdef CONFIG_DEBUG_FS
> mmc_add_card_debugfs(card);
> #endif
>
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