Commit 778bfca3 authored by Mika Westerberg's avatar Mika Westerberg
Browse files

thunderbolt: Convert PCIe adapter register names to follow the USB4 spec 



Now that USB4 spec has names for these PCIe adapter registers we can use
them instead. This makes it easier to match certain register to the spec.

No functional changes.

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 8f57d478

drivers/thunderbolt/switch.c

+6 −4
Original line number Diff line number Diff line
@@ -803,10 +803,11 @@ bool tb_pci_port_is_enabled(struct tb_port *port) 
{

	u32 data;



	if (tb_port_read(port, &data, TB_CFG_PORT, port->cap_adap, 1))

	if (tb_port_read(port, &data, TB_CFG_PORT,

			 port->cap_adap + ADP_PCIE_CS_0, 1))

		return false;



	return !!(data & TB_PCI_EN);

	return !!(data & ADP_PCIE_CS_0_PE);

}



/**
@@ -816,10 +817,11 @@ bool tb_pci_port_is_enabled(struct tb_port *port) 
 */

int tb_pci_port_enable(struct tb_port *port, bool enable)

{

	u32 word = enable ? TB_PCI_EN : 0x0;

	u32 word = enable ? ADP_PCIE_CS_0_PE : 0x0;

	if (!port->cap_adap)

		return -ENXIO;

	return tb_port_write(port, &word, TB_CFG_PORT, port->cap_adap, 1);

	return tb_port_write(port, &word, TB_CFG_PORT,

			     port->cap_adap + ADP_PCIE_CS_0, 1);

}



/**

drivers/thunderbolt/tb_regs.h

+2 −2
Original line number Diff line number Diff line
@@ -241,8 +241,8 @@ struct tb_regs_port_header { 
#define TB_DP_REMOTE_CAP		0x5



/* PCIe adapter registers */



#define TB_PCI_EN			BIT(31)

#define ADP_PCIE_CS_0				0x00

#define ADP_PCIE_CS_0_PE			BIT(31)



/* Hop register from TB_CFG_HOPS. 8 byte per entry. */

struct tb_regs_hop {

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