Hi Doug,
On 2016-5-18 8:47, Doug Anderson wrote:
> Jaehoon,
>
> On Mon, Mar 30, 2015 at 8:47 AM, Doug Anderson <dianders at chromium.org> wrote:
>> Jaehoon,
>>
>> On Sun, Mar 29, 2015 at 5:55 PM, Jaehoon Chung <jh80.chung at samsung.com> wrote:
>>> Dear Doug,
>>>
>>> I'm considering to control HLE error..So holding this patch.
>>> If this is absolutely necessary patch, let me know, plz.
>>>
>>> Best Regards,
>>> Jaehoon Chung
>> Sounds OK. I have certainly applied this locally and the driver isn't
>> robust against insertions / removals without it, but once the card is
>> inserted things are OK so it's probably not urgent that it be applied
>> upstream. Hopefully we can figure out a better solution...
> I'm now testing a nice new rebased kernel and I'm hitting this again.
>
> Of course I'll just pick my same patch to my new kernel tree, but
> since it's been a year and nobody has done anything better, would you
> consider landing my patch? It is certainly better than nothing.
Could you try this patch to see if you can still find HLE?
@@ -2356,12 +2356,22 @@ static void dw_mci_cmd_interrupt(struct dw_mci *host, u32 status)
static void dw_mci_handle_cd(struct dw_mci *host)
{
int i;
+ int present;
for (i = 0; i < host->num_slots; i++) {
struct dw_mci_slot *slot = host->slot[i];
if (!slot)
continue;
+ present = !(mci_readl(slot->host, CDETECT) & (1 << slot->id));
+ if (present)
+ set_bit(DW_MMC_CARD_PRESENT, &slot->flags);
+ else
+ clear_bit(DW_MMC_CARD_PRESENT, &slot->flags);
if (slot->mmc->ops->card_event)
slot->mmc->ops->card_event(slot->mmc);
>
> -Doug
> --
> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
