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SubjectRe: [PATCH V2] ath10k: don't fail if IRAM write fails
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Have you seen the new patch?

https://www.mail-archive.com/ath10k@lists.infradead.org/msg13784.html

https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=master-pending&id=973de582639a1e45276e4e3e2f3c2d82a04ad0a6


could probably have been communicated better


best regards



Am 17.09.21 um 21:30 schrieb ojab //:
> ._.
>
> //wbr ojab
>
> On Thu, 9 Sept 2021 at 02:42, ojab // <ojab@ojab.ru> wrote:
>> Gentle ping.
>>
>> //wbr ojab
>>
>> On Wed, 25 Aug 2021 at 19:15, ojab // <ojab@ojab.ru> wrote:
>>> Can I haz it merged?
>>>
>>> //wbr ojab
>>>
>>> On Thu, 22 Jul 2021 at 22:36, ojab <ojab@ojab.ru> wrote:
>>>> After reboot with kernel & firmware updates I found `failed to copy
>>>> target iram contents:` in dmesg and missing wlan interfaces for both
>>>> of my QCA9984 compex cards. Rolling back kernel/firmware didn't fixed
>>>> it, so while I have no idea what's actually happening, I don't see why
>>>> we should fail in this case, looks like some optional firmware ability
>>>> that could be skipped.
>>>>
>>>> Also with additional logging there is
>>>> ```
>>>> [ 6.839858] ath10k_pci 0000:04:00.0: No hardware memory
>>>> [ 6.841205] ath10k_pci 0000:04:00.0: failed to copy target iram contents: -12
>>>> [ 6.873578] ath10k_pci 0000:07:00.0: No hardware memory
>>>> [ 6.875052] ath10k_pci 0000:07:00.0: failed to copy target iram contents: -12
>>>> ```
>>>> so exact branch could be seen.
>>>>
>>>> Signed-off-by: Slava Kardakov <ojab@ojab.ru>
>>>> ---
>>>> Of course I forgot to sing off, since I don't use it by default because I
>>>> hate my real name and kernel requires it
>>>>
>>>> drivers/net/wireless/ath/ath10k/core.c | 9 ++++++---
>>>> 1 file changed, 6 insertions(+), 3 deletions(-)
>>>>
>>>> diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
>>>> index 2f9be182fbfb..d9fd5294e142 100644
>>>> --- a/drivers/net/wireless/ath/ath10k/core.c
>>>> +++ b/drivers/net/wireless/ath/ath10k/core.c
>>>> @@ -2691,8 +2691,10 @@ static int ath10k_core_copy_target_iram(struct ath10k *ar)
>>>> u32 len, remaining_len;
>>>>
>>>> hw_mem = ath10k_coredump_get_mem_layout(ar);
>>>> - if (!hw_mem)
>>>> + if (!hw_mem) {
>>>> + ath10k_warn(ar, "No hardware memory");
>>>> return -ENOMEM;
>>>> + }
>>>>
>>>> for (i = 0; i < hw_mem->region_table.size; i++) {
>>>> tmp = &hw_mem->region_table.regions[i];
>>>> @@ -2702,8 +2704,10 @@ static int ath10k_core_copy_target_iram(struct ath10k *ar)
>>>> }
>>>> }
>>>>
>>>> - if (!mem_region)
>>>> + if (!mem_region) {
>>>> + ath10k_warn(ar, "No memory region");
>>>> return -ENOMEM;
>>>> + }
>>>>
>>>> for (i = 0; i < ar->wmi.num_mem_chunks; i++) {
>>>> if (ar->wmi.mem_chunks[i].req_id ==
>>>> @@ -2917,7 +2921,6 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
>>>> if (status) {
>>>> ath10k_warn(ar, "failed to copy target iram contents: %d",
>>>> status);
>>>> - goto err_hif_stop;
>>>> }
>>>> }
>>>>
>>>> --
>>>> 2.32.0
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