From: Jingoo Han <jingoohan1@gmail.com>
To: Dilip Kota <eswara.kota@linux.intel.com>,
"gustavo.pimentel@synopsys.com" <gustavo.pimentel@synopsys.com>,
"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
"andrew.murray@arm.com" <andrew.murray@arm.com>,
"helgaas@kernel.org" <helgaas@kernel.org>,
"robh@kernel.org" <robh@kernel.org>,
"martin.blumenstingl@googlemail.com"
<martin.blumenstingl@googlemail.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"andriy.shevchenko@intel.com" <andriy.shevchenko@intel.com>,
"cheol.yong.kim@intel.com" <cheol.yong.kim@intel.com>,
"chuanhua.lei@linux.intel.com" <chuanhua.lei@linux.intel.com>,
"qi-ming.wu@intel.com" <qi-ming.wu@intel.com>,
Han Jingoo <jingoohan1@gmail.com>
Subject: Re: [PATCH v5 3/3] PCI: artpec6: Configure FTS with dwc helper function
Date: Thu, 7 Nov 2019 21:03:46 +0000 [thread overview]
Message-ID: <SL2P216MB010527F9E1C142F0A347ED63AA780@SL2P216MB0105.KORP216.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <90a64d72a32dbc75c03a58a1813f50e547170ff4.1572950559.git.eswara.kota@linux.intel.com>
On 11/5/19, 10:44 PM, Dilip Kota wrote:
>
> Utilize DesugnWare helper functions to configure Fast Training
Nitpicking: Fix typo (DesugnWare --> DesignWare)
If possible, how about the following?
Utilize DesignWare --> Use DesignWare
Best regards,
Jingoo Han
> Sequence. Drop the respective code in the driver.
>
> Signed-off-by: Dilip Kota <eswara.kota@linux.intel.com>
> ---
> drivers/pci/controller/dwc/pcie-artpec6.c | 8 +-------
> 1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c
> index d00252bd8fae..02d93b8c7942 100644
> --- a/drivers/pci/controller/dwc/pcie-artpec6.c
> +++ b/drivers/pci/controller/dwc/pcie-artpec6.c
> @@ -51,9 +51,6 @@ static const struct of_device_id artpec6_pcie_of_match[];
> #define ACK_N_FTS_MASK GENMASK(15, 8)
> #define ACK_N_FTS(x) (((x) << 8) & ACK_N_FTS_MASK)
>
> -#define FAST_TRAINING_SEQ_MASK GENMASK(7, 0)
> -#define FAST_TRAINING_SEQ(x) (((x) << 0) & FAST_TRAINING_SEQ_MASK)
> -
> /* ARTPEC-6 specific registers */
> #define PCIECFG 0x18
> #define PCIECFG_DBG_OEN BIT(24)
> @@ -313,10 +310,7 @@ static void artpec6_pcie_set_nfts(struct artpec6_pcie *artpec6_pcie)
> * Set the Number of Fast Training Sequences that the core
> * advertises as its N_FTS during Gen2 or Gen3 link training.
> */
> - val = dw_pcie_readl_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL);
> - val &= ~FAST_TRAINING_SEQ_MASK;
> - val |= FAST_TRAINING_SEQ(180);
> - dw_pcie_writel_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL, val);
> + dw_pcie_link_set_n_fts(pci, 180);
> }
>
> static void artpec6_pcie_assert_core_reset(struct artpec6_pcie *artpec6_pcie)
> --
> 2.11.0
next prev parent reply other threads:[~2019-11-07 21:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-06 3:44 [PATCH v5 0/3] PCI: Add Intel PCIe Driver and respective dt-binding yaml file Dilip Kota
2019-11-06 3:44 ` [PATCH v5 1/3] dt-bindings: PCI: intel: Add YAML schemas for the PCIe RC controller Dilip Kota
2019-11-12 19:17 ` Rob Herring
2019-11-13 2:39 ` Dilip Kota
2019-11-06 3:44 ` [PATCH v5 2/3] dwc: PCI: intel: PCIe RC controller driver Dilip Kota
2019-11-06 12:24 ` Andy Shevchenko
2019-11-11 8:08 ` Dilip Kota
2019-11-12 7:18 ` Dilip Kota
2019-11-08 10:42 ` Andrew Murray
2019-11-11 8:09 ` Dilip Kota
2019-11-06 3:44 ` [PATCH v5 3/3] PCI: artpec6: Configure FTS with dwc helper function Dilip Kota
2019-11-06 9:43 ` Gustavo Pimentel
2019-11-11 6:24 ` Dilip Kota
2019-11-07 21:03 ` Jingoo Han [this message]
2019-11-08 10:43 ` Andrew Murray
2019-11-11 8:10 ` Dilip Kota
2019-11-11 8:09 ` Dilip Kota
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