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2020-09-04arm64: dts: renesas: Add HiHope RZ/G2H board with idk-1110wr displayLad Prabhakar2-0/+16
The HiHope RZ/G2H is advertised as compatible with panel idk-1110wr from Advantech, however the panel isn't sold alongside the board. New dts, enabling the lvds node to get the panel to work with HiHope RZ/G2H. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20200827181918.30130-1-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-04arm64: dts: renesas: r8a774e1: Add cpuidle support for CA5x coresLad Prabhakar1-0/+30
Enable cpuidle (core shutdown) support for RZ/G2H CA5x cores. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20200827145315.26261-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-04arm64: dts: renesas: r8a774e1: Add FDP1 device nodesMarian-Cristian Rotariu1-0/+20
Add FDP1 device nodes to R8A774E1 (RZ/G2H) SoC dtsi. Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20200827145315.26261-2-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-04ARM: dts: r8a7742-iwg21d-q7: Enable PCIe ControllerLad Prabhakar1-0/+12
Enable PCIe Controller and set PCIe bus clock frequency. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com> Link: https://lore.kernel.org/r/20200825162718.5838-2-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-04ARM: dts: r8a7742: Add IPMMU DT nodesLad Prabhakar1-0/+48
Add the five IPMMU instances found in the r8a7742 to DT with a disabled status. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com> Link: https://lore.kernel.org/r/20200825141805.27105-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-31arm64: dts: renesas: r8a77961: Enable Sound / Audio-DMACKuninori Morimoto1-8/+475
This patch enables Sound and Audio-DMAC for R-Car M3-W+ (R8A77961). It is tested on R-Car M3-W+ Salvator-XS board. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87h7sovdvt.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-31arm64: dts: renesas: r8a774e1: Add PWM device nodesMarian-Cristian Rotariu1-1/+63
This patch adds PWM[0123456] device nodes to the RZ/G2H (a.k.a R8A774E1) device tree. Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20200825104455.18000-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-31ARM: dts: r8a7742-iwg21m: Add SPI NOR supportLad Prabhakar1-0/+51
Add support for the SPI NOR device used to boot up the system to the System on Module DT. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com> Link: https://lore.kernel.org/r/20200825085435.8744-1-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-25arm64: dts: renesas: r8a774e1-hihope-rzg2h: Enable HS400 modeBiju Das1-0/+4
This patch enables HS400 mode on HiHope RZ/G2H board. Signed-off-by: Biju Das <biju.das@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20200819080841.3475-1-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-25ARM: dts: r8a7742-iwg21m: Add RTC supportLad Prabhakar1-0/+20
Enable BQ32000 RTC which is connected to I2C0 on the iWave RainboW-G21M-q7 SOM. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com> Link: https://lore.kernel.org/r/20200816193316.7641-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-25ARM: dts: r8a7742-iwg21m: Sort the nodes alphabeticallyLad Prabhakar1-7/+7
Sort the DT nodes alphabetically so that its easier to maintain. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com> Link: https://lore.kernel.org/r/20200816193316.7641-2-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-25ARM: dts: r8a7742: Add CAN supportLad Prabhakar1-0/+34
Add the definitions for can0 and can1 to the r8a7742 SoC dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com> Link: https://lore.kernel.org/r/20200816190732.6905-4-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-25arm64: dts: renesas: r8a774c0: Add PCIe EP nodeLad Prabhakar1-0/+19
Add PCIe EP node to R8A774C0 (RZ/G2E) SoC dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20200814173037.17822-6-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-25arm64: dts: renesas: r8a774b1: Add PCIe EP nodesLad Prabhakar1-0/+38
Add PCIe EP nodes to R8A774B1 (RZ/G2N) SoC dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20200814173037.17822-5-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-25arm64: dts: renesas: r8a774a1: Add PCIe EP nodesLad Prabhakar1-0/+38
Add PCIe EP nodes to R8A774A1 (RZ/G2M) SoC dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20200814173037.17822-4-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17ARM: dts: r8a7742: Add QSPI supportLad Prabhakar1-0/+16
Add QSPI DT node to R8A7742 SoC dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com> Link: https://lore.kernel.org/r/20200812150048.27721-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1-hihope-rzg2h: Setup DU clocksLad Prabhakar1-0/+11
Setup up the required clocks for the DU to be functional. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200812140217.24251-10-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Add LVDS device nodeMarian-Cristian Rotariu1-0/+27
Add the LVDS device node to R8A774E1 to SoC dtsi and connect it with the DU node. Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200812140217.24251-9-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Populate HDMI encoder nodeMarian-Cristian Rotariu1-2/+13
Populate HDMI node properties in R8A774E1 SoC dtsi. Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200812140217.24251-7-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Populate DU device nodeMarian-Cristian Rotariu1-1/+18
Populate the DU device node properties in R8A774E1 SoC dtsi. Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200812140217.24251-4-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17ARM: dts: r8a7742: Add PCIe Controller device nodeLad Prabhakar1-0/+35
Add a device node for the PCIe controller on the Renesas RZ/G1H (r8a7742) SoC. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com> Link: https://lore.kernel.org/r/20200810174156.30880-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774b1-hihope-rzg2n-ex: Enable sataLad Prabhakar1-0/+5
Enable sata interface on HiHope RZ/G2N board. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20200810171239.30401-1-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Add VSP instancesMarian-Cristian Rotariu1-0/+66
The RZ/G2H (R8A774E1) has 6 VSP instances. Based on the work done for r8a7795 SoC. Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20200810092208.27320-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Add FCPF and FCPV instancesMarian-Cristian Rotariu1-0/+64
Add FCPF and FCPV instances to the r8a774e1 dtsi. Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20200810092208.27320-2-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17ARM: dts: r8a7742: Add LVDS supportLad Prabhakar1-0/+54
Add LVDS encoder node to r8a7742 SoC DT. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200807174954.14448-7-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17ARM: dts: r8a7742: Add DU supportLad Prabhakar1-0/+35
Add a Display Unit (DU) node to r8a7742 SoC DT. Boards that want to enable the DU need to specify the output topology. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200807174954.14448-6-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17ARM: dts: r8a7742: Add TPU supportLad Prabhakar1-0/+11
Add TPU support to R8A7742 SoC DT. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/20200806183152.11809-6-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17ARM: dts: r8a7742: Add PWM SoC supportLad Prabhakar1-0/+70
Add the definitions for pwm[0123456] to the SoC .dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/20200806183152.11809-4-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17ARM: dts: r8a7742-iwg21d-q7: Enable cmt0Lad Prabhakar1-0/+4
Enable cmt0 support on r8a7742-iwg21d-q7 board. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/20200806183152.11809-2-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17ARM: dts: iwg22d-sodimm: Fix dt nodes sortingBiju Das1-56/+56
Some r8a7745-iwg22d-sodimm.dts device nodes are not sorted alphabetically. This patch fixes the sorting of nodes and also fixes a typo in the stmpe node. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20200805142634.12252-1-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17ARM: dts: r8a7742-iwg21d-q7: Enable HSUSB, USB2.0 and xHCILad Prabhakar1-0/+42
Enable support for HSUSB, USB2.0 and xHCI on iWave RZ/G1H carrier board. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/1595005225-11519-3-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: ulcb: add full-pwr-cycle-in-suspend into eMMC nodesYoshihiro Shimoda1-0/+1
Add full-pwr-cycle-in-suspend property to do a graceful shutdown of the eMMC device in system suspend. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1594989201-24228-1-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Add VIN and CSI-2 nodesLad Prabhakar1-0/+334
Add VIN and CSI-2 nodes to RZ/G2H (R8A774E1) SoC dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/1594919915-5225-21-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Add audio supportLad Prabhakar1-2/+474
Add sound support for the RZ/G2H SoC (a.k.a. R8A774E1). Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/1594919915-5225-16-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Add USB-DMAC and HSUSB device nodesLad Prabhakar1-1/+39
Add usb dmac and hsusb device nodes to the RZ/G2H SoC dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/1594919915-5225-14-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Add USB3.0 device nodesLad Prabhakar1-6/+19
Add usb3.0 phy, host and function device nodes on RZ/G2H SoC dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/1594919915-5225-11-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Add USB2.0 phy and host (EHCI/OHCI) device nodesLad Prabhakar1-12/+43
Add USB2.0 phy and host (EHCI/OHCI) device nodes on RZ/G2H SoC dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/1594919915-5225-7-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Add SATA controller nodeLad Prabhakar1-0/+12
Add the SATA controller node to the RZ/G2H SoC specific dtsi. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/1594919915-5225-5-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-17arm64: dts: renesas: r8a774e1: Add PCIe device nodesLad Prabhakar1-1/+46
Add PCIe{0,1} device nodes for R8A774E1 SoC. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/1594919915-5225-3-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-16Linux 5.9-rc1Linus Torvalds1-2/+2
2020-08-16parisc: fix PMD pages allocation by restoring pmd_alloc_one()Mike Rapoport1-0/+6
Commit 1355c31eeb7e ("asm-generic: pgalloc: provide generic pmd_alloc_one() and pmd_free_one()") converted parisc to use generic version of pmd_alloc_one() but it missed the fact that parisc uses order-1 pages for PMD. Restore the original version of pmd_alloc_one() for parisc, just use GFP_PGTABLE_KERNEL that implies __GFP_ZERO instead of GFP_KERNEL and memset. Fixes: 1355c31eeb7e ("asm-generic: pgalloc: provide generic pmd_alloc_one() and pmd_free_one()") Reported-by: Meelis Roos <mroos@linux.ee> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Tested-by: Meelis Roos <mroos@linux.ee> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Link: https://lkml.kernel.org/r/9f2b5ebd-e4a4-0fa1-6cd3-4b9f6892d1ad@linux.ee Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-15io_uring: short circuit -EAGAIN for blocking read attemptJens Axboe1-1/+4
One case was missed in the short IO retry handling, and that's hitting -EAGAIN on a blocking attempt read (eg from io-wq context). This is a problem on sockets that are marked as non-blocking when created, they don't carry any REQ_F_NOWAIT information to help us terminate them instead of perpetually retrying. Fixes: 227c0c9673d8 ("io_uring: internally retry short reads") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-08-15io_uring: sanitize double poll handlingJens Axboe1-9/+25
There's a bit of confusion on the matching pairs of poll vs double poll, depending on if the request is a pure poll (IORING_OP_POLL_ADD) or poll driven retry. Add io_poll_get_double() that returns the double poll waitqueue, if any, and io_poll_get_single() that returns the original poll waitqueue. With that, remove the argument to io_poll_remove_double(). Finally ensure that wait->private is cleared once the double poll handler has run, so that remove knows it's already been seen. Cc: stable@vger.kernel.org # v5.8 Reported-by: syzbot+7f617d4a9369028b8a2c@syzkaller.appspotmail.com Fixes: 18bceab101ad ("io_uring: allow POLL_ADD with double poll_wait() users") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-08-14virtio: pci: constify ioreadX() iomem argument (as in generic implementation)Krzysztof Kozlowski1-3/+3
The ioreadX() helpers have inconsistent interface. On some architectures void *__iomem address argument is a pointer to const, on some not. Implementations of ioreadX() do not modify the memory under the address so they can be converted to a "const" version for const-safety and consistency among architectures. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Allen Hubbe <allenbh@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dave Jiang <dave.jiang@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Helge Deller <deller@gmx.de> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Jakub Kicinski <kuba@kernel.org> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Jon Mason <jdmason@kudzu.us> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Rich Felker <dalias@libc.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200709072837.5869-5-krzk@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-14ntb: intel: constify ioreadX() iomem argument (as in generic implementation)Krzysztof Kozlowski3-3/+3
The ioreadX() helpers have inconsistent interface. On some architectures void *__iomem address argument is a pointer to const, on some not. Implementations of ioreadX() do not modify the memory under the address so they can be converted to a "const" version for const-safety and consistency among architectures. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Dave Jiang <dave.jiang@intel.com> Cc: Allen Hubbe <allenbh@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Helge Deller <deller@gmx.de> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Jakub Kicinski <kuba@kernel.org> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Jon Mason <jdmason@kudzu.us> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Rich Felker <dalias@libc.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200709072837.5869-4-krzk@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-14rtl818x: constify ioreadX() iomem argument (as in generic implementation)Krzysztof Kozlowski1-3/+3
The ioreadX() helpers have inconsistent interface. On some architectures void *__iomem address argument is a pointer to const, on some not. Implementations of ioreadX() do not modify the memory under the address so they can be converted to a "const" version for const-safety and consistency among architectures. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Kalle Valo <kvalo@codeaurora.org> Cc: Allen Hubbe <allenbh@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dave Jiang <dave.jiang@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Helge Deller <deller@gmx.de> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Jakub Kicinski <kuba@kernel.org> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Jon Mason <jdmason@kudzu.us> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Rich Felker <dalias@libc.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200709072837.5869-3-krzk@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-14iomap: constify ioreadX() iomem argument (as in generic implementation)Krzysztof Kozlowski22-138/+138
Patch series "iomap: Constify ioreadX() iomem argument", v3. The ioread8/16/32() and others have inconsistent interface among the architectures: some taking address as const, some not. It seems there is nothing really stopping all of them to take pointer to const. This patch (of 4): The ioreadX() and ioreadX_rep() helpers have inconsistent interface. On some architectures void *__iomem address argument is a pointer to const, on some not. Implementations of ioreadX() do not modify the memory under the address so they can be converted to a "const" version for const-safety and consistency among architectures. [krzk@kernel.org: sh: clk: fix assignment from incompatible pointer type for ioreadX()] Link: http://lkml.kernel.org/r/20200723082017.24053-1-krzk@kernel.org [akpm@linux-foundation.org: fix drivers/mailbox/bcm-pdc-mailbox.c] Link: http://lkml.kernel.org/r/202007132209.Rxmv4QyS%25lkp@intel.com Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Jon Mason <jdmason@kudzu.us> Cc: Allen Hubbe <allenbh@gmail.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Link: http://lkml.kernel.org/r/20200709072837.5869-1-krzk@kernel.org Link: http://lkml.kernel.org/r/20200709072837.5869-2-krzk@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-14sh: use generic strncpy()Kuninori Morimoto1-26/+0
Current SH will get below warning at strncpy() In file included from ${LINUX}/arch/sh/include/asm/string.h:3, from ${LINUX}/include/linux/string.h:20, from ${LINUX}/include/linux/bitmap.h:9, from ${LINUX}/include/linux/nodemask.h:95, from ${LINUX}/include/linux/mmzone.h:17, from ${LINUX}/include/linux/gfp.h:6, from ${LINUX}/innclude/linux/slab.h:15, from ${LINUX}/linux/drivers/mmc/host/vub300.c:38: ${LINUX}/drivers/mmc/host/vub300.c: In function 'new_system_port_status': ${LINUX}/arch/sh/include/asm/string_32.h:51:42: warning: array subscript\ 80 is above array bounds of 'char[26]' [-Warray-bounds] : "0" (__dest), "1" (__src), "r" (__src+__n) ~~~~~^~~~ In general, strncpy() should behave like below. char dest[10]; char *src = "12345"; strncpy(dest, src, 10); // dest = {'1', '2', '3', '4', '5', '\0','\0','\0','\0','\0'} But, current SH strnpy() has 2 issues. 1st is it will access to out-of-memory (= src + 10). 2nd is it needs big fixup for it, and maintenance __asm__ code is difficult. To solve these issues, this patch simply uses generic strncpy() instead of architecture specific one. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Alan Modra <amodra@gmail.com> Cc: Bin Meng <bin.meng@windriver.com> Cc: Chen Zhou <chenzhou10@huawei.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Rich Felker <dalias@libc.org> Cc: Romain Naour <romain.naour@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: https://marc.info/?l=linux-renesas-soc&m=157664657013309 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-14sh: clkfwk: remove r8/r16/r32Kuninori Morimoto1-19/+4
SH will get below warning ${LINUX}/drivers/sh/clk/cpg.c: In function 'r8': ${LINUX}/drivers/sh/clk/cpg.c:41:17: warning: passing argument 1 of 'ioread8' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] return ioread8(addr); ^~~~ In file included from ${LINUX}/arch/sh/include/asm/io.h:21, from ${LINUX}/include/linux/io.h:13, from ${LINUX}/drivers/sh/clk/cpg.c:14: ${LINUX}/include/asm-generic/iomap.h:29:29: note: expected 'void *' but argument is of type 'const void *' extern unsigned int ioread8(void __iomem *); ^~~~~~~~~~~~~~ We don't need "const" for r8/r16/r32. And we don't need r8/r16/r32 themselvs. This patch cleanup these. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Alan Modra <amodra@gmail.com> Cc: Bin Meng <bin.meng@windriver.com> Cc: Chen Zhou <chenzhou10@huawei.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Rich Felker <dalias@libc.org> Cc: Romain Naour <romain.naour@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> X-MARC-Message: https://marc.info/?l=linux-renesas-soc&m=157852973916903 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-14include/asm-generic/vmlinux.lds.h: align ro_after_initRomain Naour1-0/+1
Since the patch [1], building the kernel using a toolchain built with binutils 2.33.1 prevents booting a sh4 system under Qemu. Apply the patch provided by Alan Modra [2] that fix alignment of rodata. [1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ebd2263ba9a9124d93bbc0ece63d7e0fae89b40e [2] https://www.sourceware.org/ml/binutils/2019-12/msg00112.html Signed-off-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Alan Modra <amodra@gmail.com> Cc: Bin Meng <bin.meng@windriver.com> Cc: Chen Zhou <chenzhou10@huawei.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Cc: Rich Felker <dalias@libc.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Arnd Bergmann <arnd@arndb.de> Cc: <stable@vger.kernel.org> Link: https://marc.info/?l=linux-sh&m=158429470221261 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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