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SubjectRe: [PATCH v6 8/9] PCI: endpoint: Add PCI Endpoint function driver for MHI bus
On Fri, Jun 02, 2023 at 05:17:55PM +0530, Manivannan Sadhasivam wrote:
> Add PCI Endpoint driver for the Qualcomm MHI (Modem Host Interface) bus.
> The driver implements the MHI function over PCI in the endpoint device
> such as SDX55 modem. The MHI endpoint function driver acts as a
> controller driver for the MHI Endpoint stack and carries out all PCI
> related activities like mapping the host memory using iATU, triggering
> MSIs etc...
> ...

> +static int pci_epf_mhi_bind(struct pci_epf *epf)
> +{
> ...

> + ret = platform_get_irq_byname(pdev, "doorbell");
> + if (ret < 0) {
> + dev_err(dev, "Failed to get Doorbell IRQ\n");

This dev_err() causes this new warning from the 0-day robot [1]:

drivers/pci/endpoint/functions/pci-epf-mhi.c:362:2-9: line 362 is redundant because platform_get_irq() already prints an error

Maybe we could drop it?

Bjorn

[1] https://lore.kernel.org/all/20230607163937.ZTc-D%25lkp@intel.com/

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