RE: [PATCH v2 3/3] PCI: xilinx-xdma: Add Xilinx XDMA Root Port driver

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Hi Bjorn,

Regards,
Thippeswamy H
> -----Original Message-----
> From: Bjorn Helgaas <helgaas@xxxxxxxxxx>
> Sent: Saturday, May 13, 2023 1:03 AM
> To: Havalige, Thippeswamy <thippeswamy.havalige@xxxxxxx>
> Cc: linux-pci@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; krzysztof.kozlowski@xxxxxxxxxx;
> bhelgaas@xxxxxxxxxx; michals@xxxxxxxxxx; robh+dt@xxxxxxxxxx;
> Yeleswarapu, Nagaradhesh <nagaradhesh.yeleswarapu@xxxxxxx>; Gogada,
> Bharat Kumar <bharat.kumar.gogada@xxxxxxx>;
> lorenzo.pieralisi@xxxxxxx
> Subject: Re: [PATCH v2 3/3] PCI: xilinx-xdma: Add Xilinx XDMA Root Port driver
> 
> On Fri, May 12, 2023 at 11:57:25AM +0530, Thippeswamy Havalige wrote:
> > Add support for Xilinx XDMA Soft IP core as Root Port.
> > ...
> 
> > +#include <linux/of_pci.h>
> > +#include <linux/irqchip/chained_irq.h>
> 
> The trend seems to be to alphabetize the system includes above.
- Agreed, fix it in next patch
> > +#include "pcie-xilinx-common.h"
> > +
> > +#include "../pci.h"
- Agreed, fix it in next patch
> Put the pcie-xilinx-common.h include here, as you did for
> pcie-xilinx-cpm.c:
> 
>   #include <linux/irqchip/chained_irq.h>
> 
>   #include "../pci.h"
>   #include "pcie-xilinx-common.h"
- Agreed, fix it in next patch
> pcie-xilinx.c has a very similar list of register definitions, which makes me
> wonder why it can't share pcie-xilinx-common.h as well.
> 
> Obviously it would take a bit of rework since it uses BIT(x) instead of just "x".
> But you hide the "BIT()" inside IMR(), which is arguably slightly obscure since
> the #define value is not a register mask:
> 
> > +#define IMR(x) BIT(XILINX_PCIE_INTR_ ##x)
> 
> I don't really care either way, but it seems like a possibly needless difference.
> Bjorn




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