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authorKrishna chaitanya chundru <quic_krichai@quicinc.com>2024-11-23 00:39:59 +0530
committerBjorn Helgaas <bhelgaas@google.com>2025-01-18 11:35:02 -0600
commit8d3bf19f1b585a3cc0027f508b64c33484db8d0d (patch)
tree23287d72ec32a59fe0bc3bc2bc5c0a3c50e1867a /drivers/pci/controller/dwc/pcie-designware.h
parent574913f9e197c050178f36b6e6fdd92031baa078 (diff)
PCI: dwc: Don't wait for link up if driver can detect Link Up event
If the driver can detect the Link Up event and enumerate downstream devices at that time, we need not wait here. Skip waiting for link to come up if the driver supports 'use_linkup_irq'. Link: https://lore.kernel.org/r/20241123-remove_wait2-v5-1-b5f9e6b794c2@quicinc.com Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com> Signed-off-by: Krzysztof WilczyƄski <kwilczynski@kernel.org> [bhelgaas: wrap comment, update commit log] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Niklas Cassel <cassel@kernel.org>
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware.h')
-rw-r--r--drivers/pci/controller/dwc/pcie-designware.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index 347ab74ac35a..1d0ec47e1986 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -379,6 +379,7 @@ struct dw_pcie_rp {
bool use_atu_msg;
int msg_atu_index;
struct resource *msg_res;
+ bool use_linkup_irq;
};
struct dw_pcie_ep_ops {