From: Rick Wertenbroek <rick.wertenbroek@gmail.com>
To: alberto.dassatti@heig-vd.ch
Cc: xxm@rock-chips.com, wenrui.li@rock-chips.com,
rick.wertenbroek@heig-vd.ch,
"Rick Wertenbroek" <rick.wertenbroek@gmail.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Heiko Stuebner" <heiko@sntech.de>,
"Shawn Lin" <shawn.lin@rock-chips.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Jani Nikula" <jani.nikula@intel.com>,
"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Mikko Kovanen" <mikko.kovanen@aavamobile.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-pci@vger.kernel.org
Subject: [PATCH 1/8] PCI: rockchip: Removed writes to unused registers
Date: Thu, 26 Jan 2023 14:50:41 +0100 [thread overview]
Message-ID: <20230126135049.708524-2-rick.wertenbroek@gmail.com> (raw)
In-Reply-To: <20230126135049.708524-1-rick.wertenbroek@gmail.com>
Removed write accesses to registers that are marked "unused" in the
technical reference manual (TRM) (see RK3399 TRM 17.6.8.1)
Signed-off-by: Rick Wertenbroek <rick.wertenbroek@gmail.com>
---
drivers/pci/controller/pcie-rockchip-ep.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c
index d1a200b93..d5c477020 100644
--- a/drivers/pci/controller/pcie-rockchip-ep.c
+++ b/drivers/pci/controller/pcie-rockchip-ep.c
@@ -61,10 +61,6 @@ static void rockchip_pcie_clear_ep_ob_atu(struct rockchip_pcie *rockchip,
ROCKCHIP_PCIE_AT_OB_REGION_DESC0(region));
rockchip_pcie_write(rockchip, 0,
ROCKCHIP_PCIE_AT_OB_REGION_DESC1(region));
- rockchip_pcie_write(rockchip, 0,
- ROCKCHIP_PCIE_AT_OB_REGION_CPU_ADDR0(region));
- rockchip_pcie_write(rockchip, 0,
- ROCKCHIP_PCIE_AT_OB_REGION_CPU_ADDR1(region));
}
static void rockchip_pcie_prog_ep_ob_atu(struct rockchip_pcie *rockchip, u8 fn,
@@ -114,12 +110,6 @@ static void rockchip_pcie_prog_ep_ob_atu(struct rockchip_pcie *rockchip, u8 fn,
PCIE_CORE_OB_REGION_ADDR0_LO_ADDR);
addr1 = upper_32_bits(cpu_addr);
}
-
- /* CPU bus address region */
- rockchip_pcie_write(rockchip, addr0,
- ROCKCHIP_PCIE_AT_OB_REGION_CPU_ADDR0(r));
- rockchip_pcie_write(rockchip, addr1,
- ROCKCHIP_PCIE_AT_OB_REGION_CPU_ADDR1(r));
}
static int rockchip_pcie_ep_write_header(struct pci_epc *epc, u8 fn, u8 vfn,
--
2.25.1
next prev parent reply other threads:[~2023-01-26 13:52 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-26 13:50 [PATCH 0/8] PCI: rockchip: Fix PCIe endpoint controller driver Rick Wertenbroek
2023-01-26 13:50 ` Rick Wertenbroek [this message]
2023-01-26 13:50 ` [PATCH 2/8] PCI: rockchip: Fixed setup of Device ID Rick Wertenbroek
2023-01-26 13:50 ` [PATCH 3/8] PCI: rockchip: Fixed endpoint controller Configuration Request Retry Status Rick Wertenbroek
2023-01-26 13:50 ` [PATCH 4/8] PCI: rockchip: Added poll and timeout to wait for PHY PLLs to be locked Rick Wertenbroek
2023-01-26 14:42 ` Bjorn Helgaas
2023-01-26 13:50 ` [PATCH 5/8] PCI: rockchip: Added dtsi entry for PCIe endpoint controller Rick Wertenbroek
2023-01-26 15:23 ` Krzysztof Kozlowski
2023-01-26 15:30 ` Rick Wertenbroek
2023-01-26 15:43 ` Krzysztof Kozlowski
2023-01-27 8:42 ` ALOK TIWARI
2023-01-30 13:52 ` Rick Wertenbroek
2023-01-30 15:04 ` Rob Herring
2023-01-26 13:50 ` [PATCH 6/8] PCI: rockchip: Fixed window mapping and address translation for endpoint Rick Wertenbroek
2023-01-26 13:50 ` [PATCH 7/8] PCI: rockchip: Fixed legacy IRQ generation " Rick Wertenbroek
2023-01-26 15:25 ` Krzysztof Kozlowski
2023-01-28 9:19 ` kernel test robot
2023-01-26 13:50 ` [PATCH 8/8] PCI: rockchip: Fixed MSI generation from PCIe endpoint core Rick Wertenbroek
2023-01-26 15:26 ` Krzysztof Kozlowski
2023-01-26 14:52 ` [PATCH 0/8] PCI: rockchip: Fix PCIe endpoint controller driver Bjorn Helgaas
2023-01-26 15:23 ` Rick Wertenbroek
2023-01-26 15:49 ` Bjorn Helgaas
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