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SubjectRE: [PATCH v7 2/2] PCI: xilinx-cpm: Add Versal CPM Root Port driver
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> Subject: Re: [PATCH v7 2/2] PCI: xilinx-cpm: Add Versal CPM Root Port driver
>
> On Thu, May 07, 2020 at 05:28:36PM +0530, Bharat Kumar Gogada wrote:
> > - Add support for Versal CPM as Root Port.
> > - The Versal ACAP devices include CCIX-PCIe Module (CPM). The integrated
> > block for CPM along with the integrated bridge can function
> > as PCIe Root Port.
> > - Bridge error and legacy interrupts in Versal CPM are handled using
> > Versal CPM specific interrupt line.
>
> > +static inline bool cpm_pcie_link_up(struct xilinx_cpm_pcie_port
> > +*port) {
> > + return (pcie_read(port, XILINX_CPM_PCIE_REG_PSCR) &
> > + XILINX_CPM_PCIE_REG_PSCR_LNKUP) ? 1 : 0;
>
> Almost all of the *_link_up() functions return "int". I don't know if there's really
> any benefit to using "bool", but if you do, you should probably return "true" or
> "false" instead of 1/0.
Hi Bjorn, thanks will fix this.
>
> > + port->irq_misc = platform_get_irq(pdev, 0);
> > + if (port->irq_misc <= 0) {
>
> Use:
>
> if (port->irq_misc < 0) {
>
> See https://lore.kernel.org/r/20200501224042.141366-3-helgaas@kernel.org
Agreed, will fix this.

Regards,
Bharat

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