Lorenzo Bianconi 90d4e466c9 PCI: mediatek-gen3: Move reset delay in mtk_pcie_en7581_power_up() ...

Airoha EN7581 has a hw bug asserting/releasing PCIE_PE_RSTB signal
causing occasional PCIe link down issues. In order to overcome the
problem, PCIe block is reset using REG_PCI_CONTROL (0x88) and
REG_RESET_CONTROL (0x834) registers available in the clock module
running clk_bulk_prepare_enable() in mtk_pcie_en7581_power_up().

In order to make the code more readable, move the wait for the time
needed to complete the PCIe reset from en7581_pci_enable() to
mtk_pcie_en7581_power_up().

Reduce reset timeout from 250ms to the standard PCIE_T_PVPERL_MS value
(100ms) since it has no impact on the driver behavior.

Link: https://lore.kernel.org/r/20250108-pcie-en7581-fixes-v6-4-21ac939a3b9b@kernel.org
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>

2025-01-13 07:07:18 +00:00

..

cadence

Merge branch 'pci/controller/j721e'

2024-11-25 13:40:58 -06:00

dwc

Merge branch 'pci/controller/tegra194'

2024-11-25 13:41:00 -06:00

mobiveil

PCI: mobiveil: Silence 'set affinity failed' warning

2024-07-29 12:46:35 -05:00

plda

Merge branch 'pci/controller/microchip'

2024-11-25 13:40:59 -06:00

Kconfig

PCI: mediatek-gen3: Add Airoha EN7581 support

2024-09-03 13:37:41 +00:00

Makefile

PCI: microchip: Move pcie-microchip-host.c to PLDA directory

2024-05-28 11:15:28 -05:00

pci-aardvark.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pci-ftpci100.c

PCI: Explicitly include correct DT includes

2023-07-18 14:33:17 -05:00

pci-host-common.c

Merge branch 'pci/misc'

2024-07-19 10:10:33 -05:00

pci-host-generic.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pci-hyperv-intf.c

PCI: hv: Add a Hyper-V PCI interface driver for software backchannel interface

2019-08-22 00:25:12 -07:00

pci-hyperv.c

PCI: hv: Return zero, not garbage, when reading PCI_INTERRUPT_PIN

2024-07-03 21:11:14 +00:00

pci-ixp4xx.c

PCI: Explicitly include correct DT includes

2023-07-18 14:33:17 -05:00

pci-loongson.c

PCI: loongson: Enable MSI in LS7A Root Complex

2024-07-19 10:07:01 -05:00

pci-mvebu.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pci-rcar-gen2.c

PCI: rcar-gen2: Use devm_platform_get_and_ioremap_resource()

2023-07-13 18:12:35 +00:00

pci-tegra.c

Merge branch 'pci/resource'

2024-11-25 13:40:55 -06:00

pci-thunder-ecam.c

PCI: thunder: Drop error data fabrication when config read fails

2021-11-18 13:39:32 -06:00

pci-thunder-pem.c

PCI: Use resource_set_{range,size}() helpers

2024-10-10 17:44:57 -05:00

pci-v3-semi.c

Merge branch 'pci/misc'

2023-08-29 11:03:57 -05:00

pci-versatile.c

PCI: Remove MODULE_LICENSE so boolean drivers don't look like modules

2023-02-17 08:47:58 -06:00

pci-xgene-msi.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pci-xgene.c

PCI: Rename CRS Completion Status to RRS

2024-09-10 19:52:30 -05:00

pcie-altera-msi.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pcie-altera.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pcie-apple.c

PCI: controller: Add missing MODULE_DESCRIPTION() macros

2024-07-08 08:36:14 +00:00

pcie-brcmstb.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pcie-hisi-error.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pcie-iproc-bcma.c

PCI: Add defines for normal and subtractive PCI bridges

2022-02-17 15:29:35 -06:00

pcie-iproc-msi.c

PCI: iproc: Use of_property_read_bool() for boolean properties

2023-07-13 18:09:24 +00:00

pcie-iproc-platform.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pcie-iproc.c

PCI: Rename CRS Completion Status to RRS

2024-09-10 19:52:30 -05:00

pcie-iproc.h

PCI: iproc: Convert to platform remove callback returning void

2023-06-24 14:12:36 +00:00

pcie-mediatek-gen3.c

PCI: mediatek-gen3: Move reset delay in mtk_pcie_en7581_power_up()

2025-01-13 07:07:18 +00:00

pcie-mediatek.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pcie-mt7621.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pcie-rcar-ep.c

PCI: endpoint: Remove "core_init_notifier" flag

2024-04-10 17:52:42 +00:00

pcie-rcar-host.c

PCI: Fix typos

2024-11-15 14:50:00 -06:00

pcie-rcar.c

PCI: rcar: Fix calculating mask for PCIEPAMR register

2020-05-11 11:29:48 +01:00

pcie-rcar.h

PCI: rcar: Avoid defines prefixed with CONFIG

2023-03-10 13:34:27 +01:00

pcie-rockchip-ep.c

PCI: rockchip-ep: Handle PERST# signal in EP mode

2024-11-25 13:18:36 -06:00

pcie-rockchip-host.c

Merge branch 'pci/controller/rockchip'

2024-11-25 13:40:59 -06:00

pcie-rockchip.c

PCI: rockchip-ep: Handle PERST# signal in EP mode

2024-11-25 13:18:36 -06:00

pcie-rockchip.h

PCI: rockchip-ep: Handle PERST# signal in EP mode

2024-11-25 13:18:36 -06:00

pcie-xilinx-common.h

PCI: xilinx-xdma: Add Xilinx XDMA Root Port driver

2023-10-26 15:02:02 +00:00

pcie-xilinx-cpm.c

PCI: xilinx-cpm: Move IRQ definitions to a common header

2023-10-26 14:10:42 +00:00

pcie-xilinx-dma-pl.c

Merge branch 'pci/controller/xilinx'

2024-09-19 14:25:33 -05:00

pcie-xilinx-nwl.c

PCI: controller: Switch back to struct platform_driver::remove()

2024-10-03 16:44:49 -05:00

pcie-xilinx.c

PCI: xilinx: Silence 'set affinity failed' warning

2024-08-06 12:52:17 -05:00

vmd.c

Merge branch 'pci/controller/vmd'

2024-11-25 13:41:00 -06:00