diff options
author | Rob Herring <robh@kernel.org> | 2020-11-05 15:11:55 -0600 |
---|---|---|
committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2020-11-19 10:51:41 +0000 |
commit | b9ac0f9dc8ea4b91362694e82a1e66313a6c6dc6 (patch) | |
tree | a7b129a5d996d14442f582d4f59da82efc4b3a02 /drivers | |
parent | 59fbab1ae40eb048eb2bd2385a5b981051513458 (diff) | |
download | linux-b9ac0f9dc8ea4b91362694e82a1e66313a6c6dc6.tar.gz linux-b9ac0f9dc8ea4b91362694e82a1e66313a6c6dc6.tar.bz2 linux-b9ac0f9dc8ea4b91362694e82a1e66313a6c6dc6.zip |
PCI: dwc: Move dw_pcie_setup_rc() to DWC common code
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.
Link: https://lore.kernel.org/r/20201105211159.1814485-13-robh@kernel.org
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Richard Zhu <hongxing.zhu@nxp.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Minghuan Lian <minghuan.Lian@nxp.com>
Cc: Mingkai Hu <mingkai.hu@nxp.com>
Cc: Roy Zang <roy.zang@nxp.com>
Cc: Yue Wang <yue.wang@Amlogic.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Cc: Xiaowei Song <songxiaowei@hisilicon.com>
Cc: Binghui Wang <wangbinghui@hisilicon.com>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Stanimir Varbanov <svarbanov@mm-sol.com>
Cc: Pratyush Anand <pratyush.anand@gmail.com>
Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: linux-omap@vger.kernel.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-arm-kernel@axis.com
Cc: linux-arm-msm@vger.kernel.org
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/pci/controller/dwc/pci-dra7xx.c | 1 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pci-exynos.c | 1 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pci-imx6.c | 1 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pci-keystone.c | 2 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pci-layerscape.c | 2 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pci-meson.c | 2 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pcie-armada8k.c | 2 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pcie-artpec6.c | 1 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pcie-designware-host.c | 1 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pcie-designware-plat.c | 8 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pcie-histb.c | 3 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pcie-kirin.c | 2 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom.c | 1 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pcie-spear13xx.c | 2 | ||||
-rw-r--r-- | drivers/pci/controller/dwc/pcie-uniphier.c | 2 |
15 files changed, 1 insertions, 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; } |