All RC complex drivers must call dw_pcie_setup_rc(). The ordering of the
call shouldn't be too important other than being after any RC resets.
There's a few calls of dw_pcie_setup_rc() left as drivers implementing
suspend/resume need it.
Cc: Kishon Vijay Abraham I <kis...@ti.com>
Cc: Lorenzo Pieralisi <lorenzo.pieral...@arm.com>
Cc: Bjorn Helgaas <bhelg...@google.com>
Cc: Kukjin Kim <kg...@kernel.org>
Cc: Krzysztof Kozlowski <k...@kernel.org>
Cc: Richard Zhu <hongxing....@nxp.com>
Cc: Lucas Stach <l.st...@pengutronix.de>
Cc: Shawn Guo <shawn...@kernel.org>
Cc: Sascha Hauer <s.ha...@pengutronix.de>
Cc: Pengutronix Kernel Team <ker...@pengutronix.de>
Cc: Fabio Estevam <feste...@gmail.com>
Cc: NXP Linux Team <linux-...@nxp.com>
Cc: Murali Karicheri <m-kariche...@ti.com>
Cc: Minghuan Lian <minghuan.l...@nxp.com>
Cc: Mingkai Hu <mingkai...@nxp.com>
Cc: Roy Zang <roy.z...@nxp.com>
Cc: Yue Wang <yue.w...@amlogic.com>
Cc: Kevin Hilman <khil...@baylibre.com>
Cc: Neil Armstrong <narmstr...@baylibre.com>
Cc: Jerome Brunet <jbru...@baylibre.com>
Cc: Martin Blumenstingl <martin.blumensti...@googlemail.com>
Cc: Thomas Petazzoni <thomas.petazz...@bootlin.com>
Cc: Jesper Nilsson <jesper.nils...@axis.com>
Cc: Gustavo Pimentel <gustavo.pimen...@synopsys.com>
Cc: Xiaowei Song <songxiao...@hisilicon.com>
Cc: Binghui Wang <wangbing...@hisilicon.com>
Cc: Andy Gross <agr...@kernel.org>
Cc: Bjorn Andersson <bjorn.anders...@linaro.org>
Cc: Stanimir Varbanov <svarba...@mm-sol.com>
Cc: Pratyush Anand <pratyush.an...@gmail.com>
Cc: Kunihiko Hayashi <hayashi.kunih...@socionext.com>
Cc: Masahiro Yamada <yamada.masah...@socionext.com>
Cc: linux-o...@vger.kernel.org
Cc: linux-samsung-...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-amlo...@lists.infradead.org
Cc: linux-arm-ker...@axis.com
Cc: linux-arm-...@vger.kernel.org
Acked-by: Jingoo Han <jingooh...@gmail.com>
Signed-off-by: Rob Herring <r...@kernel.org>
---
drivers/pci/controller/dwc/pci-dra7xx.c | 1 -
drivers/pci/controller/dwc/pci-exynos.c | 1 -
drivers/pci/controller/dwc/pci-imx6.c | 1 -
drivers/pci/controller/dwc/pci-keystone.c | 2 --
drivers/pci/controller/dwc/pci-layerscape.c | 2 --
drivers/pci/controller/dwc/pci-meson.c | 2 --
drivers/pci/controller/dwc/pcie-armada8k.c | 2 --
drivers/pci/controller/dwc/pcie-artpec6.c | 1 -
drivers/pci/controller/dwc/pcie-designware-host.c | 1 +
drivers/pci/controller/dwc/pcie-designware-plat.c | 8 --------
drivers/pci/controller/dwc/pcie-histb.c | 3 ---
drivers/pci/controller/dwc/pcie-kirin.c | 2 --
drivers/pci/controller/dwc/pcie-qcom.c | 1 -
drivers/pci/controller/dwc/pcie-spear13xx.c | 2 --
drivers/pci/controller/dwc/pcie-uniphier.c | 2 --
15 files changed, 1 insertion(+), 30 deletions(-)
diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c
b/drivers/pci/controller/dwc/pci-dra7xx.c
index 72a5a2bf933b..b105af63854a 100644
--- a/drivers/pci/controller/dwc/pci-dra7xx.c
+++ b/drivers/pci/controller/dwc/pci-dra7xx.c
@@ -181,7 +181,6 @@ static int dra7xx_pcie_host_init(struct pcie_port *pp)
struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci);
- dw_pcie_setup_rc(pp);
dra7xx_pcie_enable_interrupts(dra7xx);
return 0;
diff --git a/drivers/pci/controller/dwc/pci-exynos.c
b/drivers/pci/controller/dwc/pci-exynos.c
index 3939fe22e8a2..5c10a5432896 100644
--- a/drivers/pci/controller/dwc/pci-exynos.c
+++ b/drivers/pci/controller/dwc/pci-exynos.c
@@ -372,7 +372,6 @@ static int exynos_pcie_host_init(struct pcie_port *pp)
phy_init(ep->phy);
exynos_pcie_deassert_core_reset(ep);
- dw_pcie_setup_rc(pp);
exynos_pcie_assert_reset(ep);
exynos_pcie_enable_interrupts(ep);
diff --git a/drivers/pci/controller/dwc/pci-imx6.c
b/drivers/pci/controller/dwc/pci-imx6.c
index 9e30fbf4efbe..f9547bb2cf1b 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -834,7 +834,6 @@ static int imx6_pcie_host_init(struct pcie_port *pp)
imx6_pcie_init_phy(imx6_pcie);
imx6_pcie_deassert_core_reset(imx6_pcie);
imx6_setup_phy_mpll(imx6_pcie);
- dw_pcie_setup_rc(pp);
return 0;
}
diff --git a/drivers/pci/controller/dwc/pci-keystone.c
b/drivers/pci/controller/dwc/pci-keystone.c
index 90b222b020a3..5a4bcc2b1ddb 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -807,8 +807,6 @@ static int __init ks_pcie_host_init(struct pcie_port *pp)
if (ret)
return ret;
- dw_pcie_setup_rc(pp);
-
ks_pcie_stop_link(pci);
ks_pcie_setup_rc_app_regs(ks_pcie);
writew(PCI_IO_RANGE_TYPE_32 | (PCI_IO_RANGE_TYPE_32 << 8),
diff --git a/drivers/pci/controller/dwc/pci-layerscape.c
b/drivers/pci/controller/dwc/pci-layerscape.c
index 0d84986c4c16..400ebbebd00f 100644
--- a/drivers/pci/controller/dwc/pci-layerscape.c
+++ b/drivers/pci/controller/dwc/pci-layerscape.c
@@ -136,8 +136,6 @@ static int ls_pcie_host_init(struct pcie_port *pp)
ls_pcie_drop_msg_tlp(pcie);
- dw_pcie_setup_rc(pp);
-
return 0;
}
diff --git a/drivers/pci/controller/dwc/pci-meson.c
b/drivers/pci/controller/dwc/pci-meson.c
index 2df0adcf0bf2..04589f0decb2 100644
--- a/drivers/pci/controller/dwc/pci-meson.c
+++ b/drivers/pci/controller/dwc/pci-meson.c
@@ -380,8 +380,6 @@ static int meson_pcie_host_init(struct pcie_port *pp)
meson_set_max_payload(mp, MAX_PAYLOAD_SIZE);
meson_set_max_rd_req_size(mp, MAX_READ_REQ_SIZE);
- dw_pcie_setup_rc(pp);
-
return 0;
}
diff --git a/drivers/pci/controller/dwc/pcie-armada8k.c
b/drivers/pci/controller/dwc/pcie-armada8k.c
index dd2926bbb901..4e2552dcf982 100644
--- a/drivers/pci/controller/dwc/pcie-armada8k.c
+++ b/drivers/pci/controller/dwc/pcie-armada8k.c
@@ -171,8 +171,6 @@ static int armada8k_pcie_host_init(struct pcie_port *pp)
u32 reg;
struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
- dw_pcie_setup_rc(pp);
-
if (!dw_pcie_link_up(pci)) {
/* Disable LTSSM state machine to enable configuration */
reg = dw_pcie_readl_dbi(pci, PCIE_GLOBAL_CONTROL_REG);
diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c
b/drivers/pci/controller/dwc/pcie-artpec6.c
index 7ee8f3c83f8f..fcba9915a606 100644
--- a/drivers/pci/controller/dwc/pcie-artpec6.c
+++ b/drivers/pci/controller/dwc/pcie-artpec6.c
@@ -328,7 +328,6 @@ static int artpec6_pcie_host_init(struct pcie_port *pp)
artpec6_pcie_init_phy(artpec6_pcie);
artpec6_pcie_deassert_core_reset(artpec6_pcie);
artpec6_pcie_wait_for_phy(artpec6_pcie);
- dw_pcie_setup_rc(pp);
return 0;
}
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c
b/drivers/pci/controller/dwc/pcie-designware-host.c
index ebea2c814448..f2b0a15ad72b 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -422,6 +422,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
goto err_free_msi;
}
+ dw_pcie_setup_rc(pp);
dw_pcie_msi_init(pp);
if (!dw_pcie_link_up(pci) && pci->ops->start_link) {
diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c
b/drivers/pci/controller/dwc/pcie-designware-plat.c
index dec24e595c3e..9b397c807261 100644
--- a/drivers/pci/controller/dwc/pcie-designware-plat.c
+++ b/drivers/pci/controller/dwc/pcie-designware-plat.c
@@ -33,15 +33,7 @@ struct dw_plat_pcie_of_data {
static const struct of_device_id dw_plat_pcie_of_match[];
-static int dw_plat_pcie_host_init(struct pcie_port *pp)
-{
- dw_pcie_setup_rc(pp);
-
- return 0;
-}
-
static const struct dw_pcie_host_ops dw_plat_pcie_host_ops = {
- .host_init = dw_plat_pcie_host_init,
};
static int dw_plat_pcie_establish_link(struct dw_pcie *pci)
diff --git a/drivers/pci/controller/dwc/pcie-histb.c
b/drivers/pci/controller/dwc/pcie-histb.c
index 210777c793ea..86f9d16c50d7 100644
--- a/drivers/pci/controller/dwc/pcie-histb.c
+++ b/drivers/pci/controller/dwc/pcie-histb.c
@@ -196,9 +196,6 @@ static int histb_pcie_host_init(struct pcie_port *pp)
regval |= PCIE_WM_RC;
histb_pcie_writel(hipcie, PCIE_SYS_CTRL0, regval);
- /* setup root complex */
- dw_pcie_setup_rc(pp);
-
return 0;
}
diff --git a/drivers/pci/controller/dwc/pcie-kirin.c
b/drivers/pci/controller/dwc/pcie-kirin.c
index f84ac1b36b2c..ac4bbdaf5324 100644
--- a/drivers/pci/controller/dwc/pcie-kirin.c
+++ b/drivers/pci/controller/dwc/pcie-kirin.c
@@ -405,8 +405,6 @@ static int kirin_pcie_host_init(struct pcie_port *pp)
{
pp->bridge->ops = &kirin_pci_ops;
- dw_pcie_setup_rc(pp);
-
return 0;
}
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c
b/drivers/pci/controller/dwc/pcie-qcom.c
index eb107179d544..e49791c4f846 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1280,7 +1280,6 @@ static int qcom_pcie_host_init(struct pcie_port *pp)
goto err_disable_phy;
}
- dw_pcie_setup_rc(pp);
qcom_ep_reset_deassert(pcie);
return 0;
diff --git a/drivers/pci/controller/dwc/pcie-spear13xx.c
b/drivers/pci/controller/dwc/pcie-spear13xx.c
index 31475e4493a7..1a9e353bef55 100644
--- a/drivers/pci/controller/dwc/pcie-spear13xx.c
+++ b/drivers/pci/controller/dwc/pcie-spear13xx.c
@@ -130,8 +130,6 @@ static int spear13xx_pcie_host_init(struct pcie_port *pp)
spear13xx_pcie->app_base = pci->dbi_base + 0x2000;
- dw_pcie_setup_rc(pp);
-
/*
* this controller support only 128 bytes read size, however its
* default value in capability register is 512 bytes. So force
diff --git a/drivers/pci/controller/dwc/pcie-uniphier.c
b/drivers/pci/controller/dwc/pcie-uniphier.c
index e6616408a29c..2457e9dd098d 100644
--- a/drivers/pci/controller/dwc/pcie-uniphier.c
+++ b/drivers/pci/controller/dwc/pcie-uniphier.c
@@ -314,8 +314,6 @@ static int uniphier_pcie_host_init(struct pcie_port *pp)
uniphier_pcie_irq_enable(priv);
- dw_pcie_setup_rc(pp);
-
return 0;
}
--
2.25.1
