[RESEND PATCH 1/2] PCI: rockchip: cleanup bit definition for PCIE_RC_CONFIG_LCS
Bjorn Helgaas
helgaas at kernel.org
Mon Nov 14 14:50:19 PST 2016
On Mon, Nov 14, 2016 at 12:11:05PM +0800, Shawn Lin wrote:
> PCIE_RC_CONFIG_LCS contains control and status bits specific
> to the PCIe link. The layout for this register looks the same
> as the existed PCI_EXP_LNKCTL and PCI_EXP_LNKSTA. So let's
> reuse them.
>
> Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
I applied both to pci/host-rockchip, thanks!
> ---
>
> drivers/pci/host/pcie-rockchip.c | 14 ++++----------
> 1 file changed, 4 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c
> index 7f238af..1dba698 100644
> --- a/drivers/pci/host/pcie-rockchip.c
> +++ b/drivers/pci/host/pcie-rockchip.c
> @@ -141,12 +141,6 @@
> #define PCIE_RC_CONFIG_DCR_CSPL_LIMIT 0xff
> #define PCIE_RC_CONFIG_DCR_CPLS_SHIFT 26
> #define PCIE_RC_CONFIG_LCS (PCIE_RC_CONFIG_BASE + 0xd0)
> -#define PCIE_RC_CONFIG_LCS_RETRAIN_LINK BIT(5)
> -#define PCIE_RC_CONFIG_LCS_CCC BIT(6)
> -#define PCIE_RC_CONFIG_LCS_LBMIE BIT(10)
> -#define PCIE_RC_CONFIG_LCS_LABIE BIT(11)
> -#define PCIE_RC_CONFIG_LCS_LBMS BIT(30)
> -#define PCIE_RC_CONFIG_LCS_LAMS BIT(31)
> #define PCIE_RC_CONFIG_L1_SUBSTATE_CTRL2 (PCIE_RC_CONFIG_BASE + 0x90c)
> #define PCIE_RC_CONFIG_THP_CAP (PCIE_RC_CONFIG_BASE + 0x274)
> #define PCIE_RC_CONFIG_THP_CAP_NEXT_MASK GENMASK(31, 20)
> @@ -229,7 +223,7 @@ static void rockchip_pcie_enable_bw_int(struct rockchip_pcie *rockchip)
> u32 status;
>
> status = rockchip_pcie_read(rockchip, PCIE_RC_CONFIG_LCS);
> - status |= (PCIE_RC_CONFIG_LCS_LBMIE | PCIE_RC_CONFIG_LCS_LABIE);
> + status |= (PCI_EXP_LNKCTL_LBMIE | PCI_EXP_LNKCTL_LABIE);
> rockchip_pcie_write(rockchip, status, PCIE_RC_CONFIG_LCS);
> }
>
> @@ -238,7 +232,7 @@ static void rockchip_pcie_clr_bw_int(struct rockchip_pcie *rockchip)
> u32 status;
>
> status = rockchip_pcie_read(rockchip, PCIE_RC_CONFIG_LCS);
> - status |= (PCIE_RC_CONFIG_LCS_LBMS | PCIE_RC_CONFIG_LCS_LAMS);
> + status |= (PCI_EXP_LNKSTA_LBMS | PCI_EXP_LNKSTA_LABS) << 16;
> rockchip_pcie_write(rockchip, status, PCIE_RC_CONFIG_LCS);
> }
>
> @@ -540,7 +534,7 @@ static int rockchip_pcie_init_port(struct rockchip_pcie *rockchip)
>
> /* Set RC's clock architecture as common clock */
> status = rockchip_pcie_read(rockchip, PCIE_RC_CONFIG_LCS);
> - status |= PCIE_RC_CONFIG_LCS_CCC;
> + status |= PCI_EXP_LNKCTL_CCC;
> rockchip_pcie_write(rockchip, status, PCIE_RC_CONFIG_LCS);
>
> /* Enable Gen1 training */
> @@ -575,7 +569,7 @@ static int rockchip_pcie_init_port(struct rockchip_pcie *rockchip)
> * gen1 finished.
> */
> status = rockchip_pcie_read(rockchip, PCIE_RC_CONFIG_LCS);
> - status |= PCIE_RC_CONFIG_LCS_RETRAIN_LINK;
> + status |= PCI_EXP_LNKCTL_RL;
> rockchip_pcie_write(rockchip, status, PCIE_RC_CONFIG_LCS);
>
> timeout = jiffies + msecs_to_jiffies(500);
> --
> 1.9.1
>
>
> --
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