RE: CPU stall with TP-Link wifi PCIe card

2016-12-01 Thread Thomas Gleixner
On Thu, 1 Dec 2016, Bharat Kumar Gogada wrote: > After further debugging found that irq_enable is not being invoked by > kernel in kernel/irq/chip.c after the few interrupts when we do wlan > scan. > > In ARM64, when an interrupt arises who invokes irq_disable(struct > irq_desc *desc)/irq_enable(s

RE: CPU stall with TP-Link wifi PCIe card

2016-11-30 Thread Bharat Kumar Gogada
After further debugging found that irq_enable is not being invoked by kernel in kernel/irq/chip.c after the few interrupts when we do wlan scan. In ARM64, when an interrupt arises who invokes irq_disable(struct irq_desc *desc)/irq_enable(struct irq_desc *desc) functions. >From my debugging for

RE: CPU stall with TP-Link wifi PCIe card

2016-11-30 Thread Bharat Kumar Gogada
Just to add, im using 4.6 kernel version. And the card is working on ARM, X86 machine. > Subject: CPU stall with TP-Link wifi PCIe card > > Hi, > > We are testing TP-link wifi PCIe card(TL-WDN4800) on our soc (pcie-xilinx- > nwl.c). This card is using > legacy interrupts and it doesn't support