From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: Lad Prabhakar <prabhakar.csengg@gmail.com>
Cc: Andrew Murray <andrew.murray@arm.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
"linux-rockchip@lists.infradead.org"
<linux-rockchip@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Kishon Vijay Abraham I <kishon@ti.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jingoo Han <jingoohan1@gmail.com>,
Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
Marek Vasut <marek.vasut+renesas@gmail.com>,
Shawn Lin <shawn.lin@rock-chips.com>,
Heiko Stuebner <heiko@sntech.de>
Subject: RE: [PATCH v5 3/7] PCI: rcar: Fix calculating mask for PCIEPAMR register
Date: Tue, 17 Mar 2020 07:31:24 +0000 [thread overview]
Message-ID: <TYAPR01MB454464006DE4D6547EB19443D8F60@TYAPR01MB4544.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <20200228154122.14164-4-prabhakar.mahadev-lad.rj@bp.renesas.com>
Hi Prabhakar-san,
Thank you for the patch!
> From: Lad Prabhakar, Sent: Saturday, February 29, 2020 12:41 AM
>
> The mask value was calculated incorrectly for PCIEPAMR register if the
> size was less than 128 bytes. Fix this issue by adding a check on size.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> ---
> drivers/pci/controller/pcie-rcar.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c
> index 41275f9..90d47b21 100644
> --- a/drivers/pci/controller/pcie-rcar.c
> +++ b/drivers/pci/controller/pcie-rcar.c
> @@ -75,7 +75,10 @@ void rcar_pcie_set_outbound(int win, void __iomem *base,
> * keeps things pretty simple.
> */
> size = resource_size(res);
> - mask = (roundup_pow_of_two(size) / SZ_128) - 1;
> + if (size > 128)
> + mask = (roundup_pow_of_two(size) / SZ_128) - 1;
> + else
> + mask = 0x0;
> rcar_pci_write_reg(base, mask << 7, PCIEPAMR(win));
This patch seems OK. I think rebasing is needed though. Anyway,
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Best regards,
Yoshihiro Shimoda
> if (res->flags & IORESOURCE_IO)
> --
> 2.7.4
next prev parent reply other threads:[~2020-03-17 7:31 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-28 15:41 [PATCH v5 0/7] Add support for PCIe controller to work in endpoint mode on R-Car SoCs Lad Prabhakar
2020-02-28 15:41 ` [PATCH v5 1/7] PCI: rcar: Rename pcie-rcar.c to pcie-rcar-host.c Lad Prabhakar
2020-03-17 6:59 ` Yoshihiro Shimoda
2020-03-17 8:26 ` Prabhakar Mahadev Lad
2020-02-28 15:41 ` [PATCH v5 2/7] PCI: rcar: Move shareable code to a common file Lad Prabhakar
2020-03-17 7:23 ` Yoshihiro Shimoda
2020-03-17 8:29 ` Prabhakar Mahadev Lad
2020-02-28 15:41 ` [PATCH v5 3/7] PCI: rcar: Fix calculating mask for PCIEPAMR register Lad Prabhakar
2020-03-17 7:31 ` Yoshihiro Shimoda [this message]
2020-02-28 15:41 ` [PATCH v5 4/7] PCI: endpoint: Add support to handle multiple base for mapping outbound memory Lad Prabhakar
2020-03-17 8:11 ` Yoshihiro Shimoda
2020-03-17 10:03 ` Prabhakar Mahadev Lad
2020-03-17 11:04 ` Yoshihiro Shimoda
2020-02-28 15:41 ` [PATCH v5 5/7] dt-bindings: PCI: rcar: Add bindings for R-Car PCIe endpoint controller Lad Prabhakar
2020-03-17 8:26 ` Yoshihiro Shimoda
2020-03-17 10:18 ` Prabhakar Mahadev Lad
2020-03-17 11:11 ` Yoshihiro Shimoda
2020-02-28 15:41 ` [PATCH v5 6/7] PCI: rcar: Add support for rcar PCIe controller in endpoint mode Lad Prabhakar
2020-03-17 9:59 ` Yoshihiro Shimoda
2020-03-17 10:14 ` Prabhakar Mahadev Lad
2020-02-28 15:41 ` [PATCH v5 7/7] misc: pci_endpoint_test: Add Device ID for RZ/G2E PCIe controller Lad Prabhakar
2020-03-17 10:31 ` Yoshihiro Shimoda
2020-03-17 10:36 ` Prabhakar Mahadev Lad
2020-03-13 15:46 ` [PATCH v5 0/7] Add support for PCIe controller to work in endpoint mode on R-Car SoCs Lad, Prabhakar
2020-03-16 12:18 ` Lorenzo Pieralisi
2020-03-16 12:33 ` Lad, Prabhakar
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