ACK: [PATCH 1/1] iwlwifi: msix: limit max RX queues for 9000 family

Seth Forshee seth.forshee at canonical.com
Wed Oct 14 14:16:25 UTC 2020


On Wed, Oct 14, 2020 at 11:35:23AM +0800, Kai-Heng Feng wrote:
> From: Mordechay Goodstein <mordechay.goodstein at intel.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1899726
> 
> There is an issue in the HW DMA engine in the 9000 family of devices
> when more than 6 RX queues are used.  The issue is that the FW may
> hang when IWL_MVM_RXQ_NSSN_SYNC notifications are sent.
> 
> Fix this by limiting the number of RX queues to 6 in the 9000 family
> of devices.
> 
> Signed-off-by: Mordechay Goodstein <mordechay.goodstein at intel.com>
> Signed-off-by: Luca Coelho <luciano.coelho at intel.com>
> Link: https://lore.kernel.org/r/iwlwifi.20200911204056.37d90f9ceb0c.I8dfe8a7d3a7ac9f0bc9d93e4a03f8165d8c999d2@changeid
> Signed-off-by: Luca Coelho <luciano.coelho at intel.com>
> (cherry picked from commit 0cd38f4d05299f5148c60db0234ea4db862c839b linux-next)
> Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>

Acked-by: Seth Forshee <seth.forshee at canonical.com>



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