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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Introduce the PCIE_PME_TO_L2_TIMEOUT_US macro to facilitate checking the L2 ready timeout in the PCI subsystem. Acked-by: Manivannan Sadhasivam Signed-off-by: Frank Li --- drivers/pci/pci.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index a4c3974340576..da8156663c825 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -13,6 +13,12 @@ #define PCIE_LINK_RETRAIN_TIMEOUT_MS 1000 +/* + * PCIe r6.0, sec 5.3.3.2.1 + * Recommends 1ms to 10ms timeout to check L2 ready. + */ +#define PCIE_PME_TO_L2_TIMEOUT_US 10000 + extern const unsigned char pcie_link_speed[]; extern bool pci_early_dump; -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel