diff mbox series

[09/19] PCI: rockchip-ep: use macro to define EP controller .align feature

Message ID 20240329090945.1097609-10-dlemoal@kernel.org (mailing list archive)
State Superseded
Headers show
Series Improve PCI memory mapping API | expand

Commit Message

Damien Le Moal March 29, 2024, 9:09 a.m. UTC
Introduce the macro ROCKCHIP_PCIE_AT_SIZE_ALIGN using
ROCKCHIP_PCIE_AT_MIN_NUM_BITS to define the .align field of the
controller epc_features structure, avoiding using the "magic" value 8
directly.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---
 drivers/pci/controller/pcie-rockchip-ep.c | 2 +-
 drivers/pci/controller/pcie-rockchip.h    | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c
index 786efd918b3f..f8c26606df58 100644
--- a/drivers/pci/controller/pcie-rockchip-ep.c
+++ b/drivers/pci/controller/pcie-rockchip-ep.c
@@ -448,7 +448,7 @@  static const struct pci_epc_features rockchip_pcie_epc_features = {
 	.linkup_notifier = false,
 	.msi_capable = true,
 	.msix_capable = false,
-	.align = 256,
+	.align = ROCKCHIP_PCIE_AT_SIZE_ALIGN,
 };
 
 static const struct pci_epc_features*
diff --git a/drivers/pci/controller/pcie-rockchip.h b/drivers/pci/controller/pcie-rockchip.h
index 15ee949f2485..02368ce9bd54 100644
--- a/drivers/pci/controller/pcie-rockchip.h
+++ b/drivers/pci/controller/pcie-rockchip.h
@@ -248,6 +248,7 @@ 
 
 #define ROCKCHIP_PCIE_AT_MIN_NUM_BITS  8
 #define ROCKCHIP_PCIE_AT_MAX_NUM_BITS  20
+#define ROCKCHIP_PCIE_AT_SIZE_ALIGN    (1UL << ROCKCHIP_PCIE_AT_MIN_NUM_BITS)
 
 #define ROCKCHIP_PCIE_AT_IB_EP_FUNC_BAR_ADDR0(fn, bar) \
 	(PCIE_CORE_AXI_CONF_BASE + 0x0828 + (fn) * 0x0040 + (bar) * 0x0008)