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Message-ID: <CAEyMn7bCdzFTWpXBQ8jP-drw_ykXRUhawHMZqXHsHgy-3oD6LA@mail.gmail.com> Date: Mon, 8 Mar 2021 13:58:41 +0100 From: Heiko Thiery <heiko.thiery@...il.com> To: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Cc: Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Michael Walle <michael@...le.cc> Subject: Re: [PATCH] arm64: configs: Enable PCIe support for imx8mq boards Hi all, Am Mo., 8. März 2021 um 10:03 Uhr schrieb Heiko Thiery <heiko.thiery@...il.com>: > > Enable PCI_IMX6 to get PCI support for imx8mq boards like imx8mq-evk, > imx8mq-kontron-pitx-imx8m and imx8mq-zii-ultra. This increases the image > by 64k. The growth of 64k is not right. Using the support script shows: $ scripts/bloat-o-meter vmlinux vmlinux.with_pci add/remove: 22/2 grow/shrink: 2/0 up/down: 8338/-16 (8322) Function old new delta imx6_pcie_probe - 1804 +1804 imx6_pcie_deassert_core_reset - 1356 +1356 imx6_pcie_of_match - 1200 +1200 imx6_pcie_start_link - 692 +692 imx6_pcie_suspend_noirq - 528 +528 imx6_pcie_init_phy - 496 +496 imx6_pcie_host_init - 336 +336 imx6_pcie_assert_core_reset - 332 +332 pcie_phy_write - 272 +272 imx6_pcie_driver - 200 +200 imx6_pcie_pm_ops - 184 +184 pcie_phy_read - 168 +168 imx6_pcie_resume_noirq - 156 +156 pcie_phy_wait_ack - 140 +140 pcie_phy_poll_ack.isra - 124 +124 imx6_pcie_quirk - 124 +124 drvdata - 60 +60 dw_pcie_ops 208 264 +56 imx6_pcie_init - 40 +40 imx6_pcie_shutdown - 32 +32 imx6_pcie_host_ops - 16 +16 e843419@...b_0001256e_27c4 - 8 +8 e843419@...0_00007810_4f0 - 8 +8 vermagic 76 82 +6 e843419@...e_0001064f_80 8 - -8 e843419@...3_00008212_13c 8 - -8 Total: Before=21884381, After=21892703, chg +0.04% > Signed-off-by: Heiko Thiery <heiko.thiery@...il.com> > --- > arch/arm64/configs/defconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index d612f633b771..4b7b4a8f1860 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -225,6 +225,7 @@ CONFIG_PCI_HOST_THUNDER_PEM=y > CONFIG_PCI_HOST_THUNDER_ECAM=y > CONFIG_PCIE_ROCKCHIP_HOST=m > CONFIG_PCIE_BRCMSTB=m > +CONFIG_PCI_IMX6=y > CONFIG_PCI_LAYERSCAPE=y > CONFIG_PCIE_LAYERSCAPE_GEN4=y > CONFIG_PCI_HISI=y > -- > 2.30.0 > -- Heiko
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