openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

PCI: hisi: Include register block base in PCIE_SYS_STATE4 address 

Include the PCIE_HIP06_CTRL_OFF block base in the PCIE_SYS_STATE4 register
address so reads of PCIE_SYS_STATE4 don't have to mention both.  No
functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2016-10-06 13:34:24 -05:00
parent 4368f096c4
commit a458ce33d4
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/pci/host/pcie-hisi.c
View File

@ -22,11 +22,11 @@
#include "pcie-designware.h"
#define PCIE_SUBCTRL_SYS_STATE4_REG 0x6818
#define PCIE_HIP06_CTRL_OFF 0x1000
#define PCIE_SYS_STATE4 (PCIE_HIP06_CTRL_OFF + 0x31c)
#define PCIE_LTSSM_LINKUP_STATE 0x11
#define PCIE_LTSSM_STATE_MASK 0x3F
#define PCIE_SUBCTRL_SYS_STATE4_REG 0x6818
#define PCIE_SYS_STATE4 0x31c
#define PCIE_HIP06_CTRL_OFF 0x1000
#define to_hisi_pcie(x) container_of(x, struct hisi_pcie, pp)
@ -108,7 +108,7 @@ static int hisi_pcie_link_up_hip06(struct hisi_pcie *hisi_pcie)
struct pcie_port *pp = &hisi_pcie->pp;
u32 val;
val = dw_pcie_readl_rc(pp, PCIE_HIP06_CTRL_OFF + PCIE_SYS_STATE4);
val = dw_pcie_readl_rc(pp, PCIE_SYS_STATE4);
return ((val & PCIE_LTSSM_STATE_MASK) == PCIE_LTSSM_LINKUP_STATE);
}