Re: [PATCH] PCI: dwc: Print debug error message when MSI-X entry control mask bit is set

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 30/11/2018 10:38, Lorenzo Pieralisi wrote:
> On Thu, Nov 22, 2018 at 07:20:55PM +0100, Gustavo Pimentel wrote:
>> Add debug error message when MSI-X entry control mask bit is set, to help
>> depur which reason why a MSI-X interrupt is not being trigger.
> 
> s/depur which/debug the
> 
> s/trigger/triggered

Ok, I'll fix it.

> 
>> Signed-off-by: Gustavo Pimentel <gustavo.pimentel@xxxxxxxxxxxx>
>> ---
>>  drivers/pci/controller/dwc/pcie-designware-ep.c | 4 +++-
>>  1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
>> index 1e7b022..b52b986 100644
>> --- a/drivers/pci/controller/dwc/pcie-designware-ep.c
>> +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
>> @@ -466,8 +466,10 @@ int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8 func_no,
>>  
>>  	iounmap(msix_tbl);
>>  
>> -	if (vec_ctrl & PCI_MSIX_ENTRY_CTRL_MASKBIT)
>> +	if (vec_ctrl & PCI_MSIX_ENTRY_CTRL_MASKBIT) {
>> +		dev_err(pci->dev, "MSI-X entry ctrl set\n");
> 
> I would make it dev_dbg() given debugging is the reason you are adding
> it, can I make this change ?

I see your point. Yes, of course, please do it.

Gustavo

> 
> Lorenzo
> 
>>  		return -EPERM;
>> +	}
>>  
>>  	ret = dw_pcie_ep_map_addr(epc, func_no, ep->msi_mem_phys, msg_addr,
>>  				  epc->mem->page_size);
>> -- 
>> 2.7.4
>>




[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux