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authorDan Carpenter2024-01-26 11:41:01 +0300
committerBjorn Helgaas2024-02-07 13:10:00 -0600
commit67057f48df79a3d73683385f521215146861684b (patch)
treefb9bf74bf363fb887a0a50601b812b73d76a7e4e /drivers/pci
parentb5d1b4b46f856da1473c7ba9a5cdfcb55c9b2478 (diff)
PCI: dwc: Clean up dw_pcie_ep_raise_msi_irq() alignment
I recently changed the alignment code in dw_pcie_ep_raise_msix_irq(). The code in dw_pcie_ep_raise_msi_irq() is similar, so update it to match, just for consistency. (No effect on runtime, just a cleanup). Link: https://lore.kernel.org/r/184097e0-c728-42c7-9e8a-556bd33fb612@moroto.mountain Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Niklas Cassel <cassel@kernel.org> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/controller/dwc/pcie-designware-ep.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index d6b66597101e..9a437cfce073 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -483,9 +483,10 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no,
reg = ep_func->msi_cap + PCI_MSI_DATA_32;
msg_data = dw_pcie_ep_readw_dbi(ep, func_no, reg);
}
- aligned_offset = msg_addr_lower & (epc->mem->window.page_size - 1);
- msg_addr = ((u64)msg_addr_upper) << 32 |
- (msg_addr_lower & ~aligned_offset);
+ msg_addr = ((u64)msg_addr_upper) << 32 | msg_addr_lower;
+
+ aligned_offset = msg_addr & (epc->mem->window.page_size - 1);
+ msg_addr = ALIGN_DOWN(msg_addr, epc->mem->window.page_size);
ret = dw_pcie_ep_map_addr(epc, func_no, 0, ep->msi_mem_phys, msg_addr,
epc->mem->window.page_size);
if (ret)