On Tue, Aug 30, 2016 at 04:09:16PM +0530, Bharat Kumar Gogada wrote:
> The current driver prints pcie core error, for all core events.
> Instead of just printing PCIe core error, now adding prints to show
> individual core events occurred.
> 
> Signed-off-by: Bharat Kumar Gogada <bhara...@xilinx.com>

I applied the first two patches to pci/host-xilinx for v4.9, thanks!

I'd like to work on the third one a little more, as I mentioned in my
response to it.

> ---
>  drivers/pci/host/pcie-xilinx-nwl.c | 48 
> +++++++++++++++++++++++++++++++-------
>  1 file changed, 40 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/pci/host/pcie-xilinx-nwl.c 
> b/drivers/pci/host/pcie-xilinx-nwl.c
> index 3479d30..86c1834 100644
> --- a/drivers/pci/host/pcie-xilinx-nwl.c
> +++ b/drivers/pci/host/pcie-xilinx-nwl.c
> @@ -85,10 +85,15 @@
>  #define MSGF_MISC_SR_MASTER_ERR              BIT(5)
>  #define MSGF_MISC_SR_I_ADDR_ERR              BIT(6)
>  #define MSGF_MISC_SR_E_ADDR_ERR              BIT(7)
> -#define MSGF_MISC_SR_UR_DETECT          BIT(20)
> -
> -#define MSGF_MISC_SR_PCIE_CORE               GENMASK(18, 16)
> -#define MSGF_MISC_SR_PCIE_CORE_ERR   GENMASK(31, 22)
> +#define MSGF_MISC_SR_FATAL_AER               BIT(16)
> +#define MSGF_MISC_SR_NON_FATAL_AER   BIT(17)
> +#define MSGF_MISC_SR_CORR_AER                BIT(18)
> +#define MSGF_MISC_SR_UR_DETECT               BIT(20)
> +#define MSGF_MISC_SR_NON_FATAL_DEV   BIT(22)
> +#define MSGF_MISC_SR_FATAL_DEV               BIT(23)
> +#define MSGF_MISC_SR_LINK_DOWN               BIT(24)
> +#define MSGF_MSIC_SR_LINK_AUTO_BWIDTH        BIT(25)
> +#define MSGF_MSIC_SR_LINK_BWIDTH     BIT(26)
>  
>  #define MSGF_MISC_SR_MASKALL         (MSGF_MISC_SR_RXMSG_AVAIL | \
>                                       MSGF_MISC_SR_RXMSG_OVER | \
> @@ -96,9 +101,15 @@
>                                       MSGF_MISC_SR_MASTER_ERR | \
>                                       MSGF_MISC_SR_I_ADDR_ERR | \
>                                       MSGF_MISC_SR_E_ADDR_ERR | \
> +                                     MSGF_MISC_SR_FATAL_AER | \
> +                                     MSGF_MISC_SR_NON_FATAL_AER | \
> +                                     MSGF_MISC_SR_CORR_AER | \
>                                       MSGF_MISC_SR_UR_DETECT | \
> -                                     MSGF_MISC_SR_PCIE_CORE | \
> -                                     MSGF_MISC_SR_PCIE_CORE_ERR)
> +                                     MSGF_MISC_SR_NON_FATAL_DEV | \
> +                                     MSGF_MISC_SR_FATAL_DEV | \
> +                                     MSGF_MISC_SR_LINK_DOWN | \
> +                                     MSGF_MSIC_SR_LINK_AUTO_BWIDTH | \
> +                                     MSGF_MSIC_SR_LINK_BWIDTH)
>  
>  /* Legacy interrupt status mask bits */
>  #define MSGF_LEG_SR_INTA             BIT(0)
> @@ -291,8 +302,29 @@ static irqreturn_t nwl_pcie_misc_handler(int irq, void 
> *data)
>               dev_err(pcie->dev,
>                       "In Misc Egress address translation error\n");
>  
> -     if (misc_stat & MSGF_MISC_SR_PCIE_CORE_ERR)
> -             dev_err(pcie->dev, "PCIe Core error\n");
> +     if (misc_stat & MSGF_MISC_SR_FATAL_AER)
> +             dev_err(pcie->dev, "Fatal Error in AER Capability\n");
> +
> +     if (misc_stat & MSGF_MISC_SR_NON_FATAL_AER)
> +             dev_err(pcie->dev, "Non-Fatal Error in AER Capability\n");
> +
> +     if (misc_stat & MSGF_MISC_SR_CORR_AER)
> +             dev_err(pcie->dev, "Correctable Error in AER Capability\n");
> +
> +     if (misc_stat & MSGF_MISC_SR_UR_DETECT)
> +             dev_err(pcie->dev, "Unsupported request Detected\n");
> +
> +     if (misc_stat & MSGF_MISC_SR_NON_FATAL_DEV)
> +             dev_err(pcie->dev, "Non-Fatal Error Detected\n");
> +
> +     if (misc_stat & MSGF_MISC_SR_FATAL_DEV)
> +             dev_err(pcie->dev, "Fatal Error Detected\n");
> +
> +     if (misc_stat & MSGF_MSIC_SR_LINK_AUTO_BWIDTH)
> +             dev_info(pcie->dev, "Link Autonomous Bandwidth Management 
> Status bit set\n");
> +
> +     if (misc_stat & MSGF_MSIC_SR_LINK_BWIDTH)
> +             dev_info(pcie->dev, "Link Bandwidth Management Status bit 
> set\n");
>  
>       /* Clear misc interrupt status */
>       nwl_bridge_writel(pcie, misc_stat, MSGF_MISC_STATUS);
> -- 
> 2.1.1
> 
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