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drivers/pcie: Use the generic arch-interface for allocating IRQs

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PCIE now uses the new interface. And pcie_alloc_irq() is only made
available when CONFIG_PCIE_CONTROLLER is unset. So only for x86 atm.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2021-01-06 14:59:36 +01:00 • committed by Carles Cufí
commit c1bc5db795
2 changed files with 14 additions and 62 deletions
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5
include/drivers/pcie/pcie.h
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@ -124,17 +124,22 @@ extern bool pcie_probe_mbar(pcie_bdf_t bdf,
*/
extern void pcie_set_cmd(pcie_bdf_t bdf, uint32_t bits, bool on);
#ifndef CONFIG_PCIE_CONTROLLER
/**
* @brief Allocate an IRQ for an endpoint.
*
* This function first checks the IRQ register and if it contains a valid
* value this is returned. If the register does not contain a valid value
* allocation of a new one is attempted.
* Such function is only exposed if CONFIG_PCIE_CONTROLLER is unset.
* It is thus available where architecture tied dynamic IRQ allocation for
* PCIe device makes sense.
*
* @param bdf the PCI(e) endpoint
* @return the IRQ number, or PCIE_CONF_INTR_IRQ_NONE if allocation failed.
*/
extern unsigned int pcie_alloc_irq(pcie_bdf_t bdf);
#endif /* CONFIG_PCIE_CONTROLLER */
/**
* @brief Return the IRQ assigned by the firmware/board to an endpoint.