From: Honghui Zhang <honghui.zh...@mediatek.com>
The clocks was not enabled when enable MSI. This patch fix this
issue by calling mtk_pcie_enable_msi in mtk_pcie_startup_port_v2
since the clock was all enabled at that time.
Signed-off-by: Honghui Zhang <honghui.zh...@mediatek.com>
---
drivers/pci/controller/pcie-mediatek.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/controller/pcie-mediatek.c
b/drivers/pci/controller/pcie-mediatek.c
index d150be1..be38b38 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -572,8 +572,6 @@ static int mtk_pcie_init_irq_domain(struct mtk_pcie_port
*port,
ret = mtk_pcie_allocate_msi_domains(port);
if (ret)
return ret;
-
- mtk_pcie_enable_msi(port);
}
return 0;
@@ -694,6 +692,9 @@ static int mtk_pcie_startup_port_v2(struct mtk_pcie_port
*port)
val &= ~INTX_MASK;
writel(val, port->base + PCIE_INT_MASK);
+ if (IS_ENABLED(CONFIG_PCI_MSI))
+ mtk_pcie_enable_msi(port);
+
/* Set AHB to PCIe translation windows */
size = mem->end - mem->start;
val = lower_32_bits(mem->start) | AHB2PCIE_SIZE(fls(size));
--
2.6.4
