From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Helgaas Subject: Re: [RESEND PATCH 1/2] PCI: rockchip: cleanup bit definition for PCIE_RC_CONFIG_LCS Date: Mon, 14 Nov 2016 16:50:19 -0600 Message-ID: <20161114225019.GM9868@bhelgaas-glaptop.roam.corp.google.com> References: <1479096666-112668-1-git-send-email-shawn.lin@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1479096666-112668-1-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Shawn Lin Cc: Bjorn Helgaas , Rob Herring , linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Wenrui Li , Brian Norris , Jeffy Chen , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org 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 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 > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html