Re: [PATCH V2] ath10k: don't fail if IRAM write fails

From: sparks71@xxxxxx
Date: Sat Sep 18 2021 - 06:14:51 EST


Have you seen the new patch?

https://www.mail-archive.com/ath10k@xxxxxxxxxxxxxxxxxxx/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@xxxxxxx> wrote:
Gentle ping.

//wbr ojab

On Wed, 25 Aug 2021 at 19:15, ojab // <ojab@xxxxxxx> wrote:
Can I haz it merged?

//wbr ojab

On Thu, 22 Jul 2021 at 22:36, ojab <ojab@xxxxxxx> 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@xxxxxxx>
---
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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