From: Lucas Stach <l.stach@pengutronix.de>
To: Richard Zhu <hongxing.zhu@nxp.com>,
bhelgaas@google.com, robh+dt@kernel.org, broonie@kernel.org,
lorenzo.pieralisi@arm.com, festevam@gmail.com,
francesco.dolcini@toradex.com
Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, kernel@pengutronix.de,
linux-imx@nxp.com
Subject: Re: [PATCH v14 01/17] PCI: imx6: Move imx6_pcie_grp_offset(), imx6_pcie_configure_type() earlier
Date: Wed, 13 Jul 2022 10:13:53 +0200 [thread overview]
Message-ID: <45a3906d333ab9d6331bc7f089be4914a33b8c7a.camel@pengutronix.de> (raw)
In-Reply-To: <1656645935-1370-2-git-send-email-hongxing.zhu@nxp.com>
Am Freitag, dem 01.07.2022 um 11:25 +0800 schrieb Richard Zhu:
> From: Bjorn Helgaas <bhelgaas@google.com>
>
> Move imx6_pcie_grp_offset() and imx6_pcie_configure_type() earlier in the
> file since they depend on nothing and are used by several other functions
> that will be moved earlier. No functional change intended.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
> Acked-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
> ---
> drivers/pci/controller/dwc/pci-imx6.c | 50 +++++++++++++--------------
> 1 file changed, 25 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
> index 7a285fb0f619..8653ca8cbfb9 100644
> --- a/drivers/pci/controller/dwc/pci-imx6.c
> +++ b/drivers/pci/controller/dwc/pci-imx6.c
> @@ -146,6 +146,31 @@ struct imx6_pcie {
> #define PHY_RX_OVRD_IN_LO_RX_DATA_EN BIT(5)
> #define PHY_RX_OVRD_IN_LO_RX_PLL_EN BIT(3)
>
> +static unsigned int imx6_pcie_grp_offset(const struct imx6_pcie *imx6_pcie)
> +{
> + WARN_ON(imx6_pcie->drvdata->variant != IMX8MQ &&
> + imx6_pcie->drvdata->variant != IMX8MM);
> + return imx6_pcie->controller_id == 1 ? IOMUXC_GPR16 : IOMUXC_GPR14;
> +}
> +
> +static void imx6_pcie_configure_type(struct imx6_pcie *imx6_pcie)
> +{
> + unsigned int mask, val;
> +
> + if (imx6_pcie->drvdata->variant == IMX8MQ &&
> + imx6_pcie->controller_id == 1) {
> + mask = IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE;
> + val = FIELD_PREP(IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE,
> + PCI_EXP_TYPE_ROOT_PORT);
> + } else {
> + mask = IMX6Q_GPR12_DEVICE_TYPE;
> + val = FIELD_PREP(IMX6Q_GPR12_DEVICE_TYPE,
> + PCI_EXP_TYPE_ROOT_PORT);
> + }
> +
> + regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, mask, val);
> +}
> +
> static int pcie_phy_poll_ack(struct imx6_pcie *imx6_pcie, bool exp_val)
> {
> struct dw_pcie *pci = imx6_pcie->pci;
> @@ -415,13 +440,6 @@ static void imx6_pcie_assert_core_reset(struct imx6_pcie *imx6_pcie)
> imx6_pcie->gpio_active_high);
> }
>
> -static unsigned int imx6_pcie_grp_offset(const struct imx6_pcie *imx6_pcie)
> -{
> - WARN_ON(imx6_pcie->drvdata->variant != IMX8MQ &&
> - imx6_pcie->drvdata->variant != IMX8MM);
> - return imx6_pcie->controller_id == 1 ? IOMUXC_GPR16 : IOMUXC_GPR14;
> -}
> -
> static int imx6_pcie_enable_ref_clk(struct imx6_pcie *imx6_pcie)
> {
> struct dw_pcie *pci = imx6_pcie->pci;
> @@ -617,24 +635,6 @@ static void imx6_pcie_deassert_core_reset(struct imx6_pcie *imx6_pcie)
> }
> }
>
> -static void imx6_pcie_configure_type(struct imx6_pcie *imx6_pcie)
> -{
> - unsigned int mask, val;
> -
> - if (imx6_pcie->drvdata->variant == IMX8MQ &&
> - imx6_pcie->controller_id == 1) {
> - mask = IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE;
> - val = FIELD_PREP(IMX8MQ_GPR12_PCIE2_CTRL_DEVICE_TYPE,
> - PCI_EXP_TYPE_ROOT_PORT);
> - } else {
> - mask = IMX6Q_GPR12_DEVICE_TYPE;
> - val = FIELD_PREP(IMX6Q_GPR12_DEVICE_TYPE,
> - PCI_EXP_TYPE_ROOT_PORT);
> - }
> -
> - regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, mask, val);
> -}
> -
> static void imx6_pcie_init_phy(struct imx6_pcie *imx6_pcie)
> {
> switch (imx6_pcie->drvdata->variant) {
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next prev parent reply other threads:[~2022-07-13 8:15 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-01 3:25 [PATCH v14 0/17] PCI: imx6: refine codes and add the error propagation Richard Zhu
2022-07-01 3:25 ` [PATCH v14 01/17] PCI: imx6: Move imx6_pcie_grp_offset(), imx6_pcie_configure_type() earlier Richard Zhu
2022-07-13 8:13 ` Lucas Stach [this message]
2022-07-01 3:25 ` [PATCH v14 02/17] PCI: imx6: Move PHY management functions together Richard Zhu
2022-07-13 8:15 ` Lucas Stach
2022-07-01 3:25 ` [PATCH v14 03/17] PCI: imx6: Move imx6_pcie_enable_ref_clk() earlier Richard Zhu
2022-07-13 8:16 ` Lucas Stach
2022-07-01 3:25 ` [PATCH v14 04/17] PCI: imx6: Move imx6_pcie_clk_disable() earlier Richard Zhu
2022-07-01 3:25 ` [PATCH v14 05/17] PCI: imx6: Factor out ref clock disable to match enable Richard Zhu
2022-07-13 8:17 ` Lucas Stach
2022-07-01 3:25 ` [PATCH v14 06/17] PCI: imx6: Collect clock enables in imx6_pcie_clk_enable() Richard Zhu
2022-07-01 3:25 ` [PATCH v14 07/17] PCI: imx6: Propagate .host_init() errors to caller Richard Zhu
2022-07-01 3:25 ` [PATCH v14 08/17] PCI: imx6: Disable i.MX6QDL clock when disabling ref clocks Richard Zhu
2022-07-01 3:25 ` [PATCH v14 09/17] PCI: imx6: Call host init function directly in resume Richard Zhu
2022-07-13 8:26 ` Lucas Stach
2022-07-01 3:25 ` [PATCH v14 10/17] PCI: imx6: Turn off regulator when system is in suspend mode Richard Zhu
2022-07-13 8:34 ` Lucas Stach
2022-07-13 10:56 ` Hongxing Zhu
2022-07-13 11:22 ` Lucas Stach
2022-07-13 12:55 ` Hongxing Zhu
2022-07-01 3:25 ` [PATCH v14 11/17] PCI: imx6: Move regulator enable out of imx6_pcie_deassert_core_reset() Richard Zhu
2022-07-13 8:41 ` Lucas Stach
2022-07-13 10:57 ` Hongxing Zhu
2022-07-01 3:25 ` [PATCH v14 12/17] PCI: imx6: Mark the link down as non-fatal error Richard Zhu
2022-07-13 8:44 ` Lucas Stach
2022-07-01 3:25 ` [PATCH v14 13/17] PCI: imx6: Reduce resume time by only starting link if it was up before suspend Richard Zhu
2022-07-13 8:47 ` Lucas Stach
2022-07-13 10:57 ` Hongxing Zhu
2022-07-01 3:25 ` [PATCH v14 14/17] PCI: imx6: Do not hide phy driver callbacks and refine the error handling Richard Zhu
2022-07-13 8:58 ` Lucas Stach
2022-07-13 10:57 ` Hongxing Zhu
2022-07-13 11:17 ` Lucas Stach
2022-07-13 12:52 ` Hongxing Zhu
2022-07-01 3:25 ` [PATCH v14 15/17] PCI: imx6: Disable clocks in reverse order of enable Richard Zhu
2022-07-13 8:59 ` Lucas Stach
2022-07-01 3:25 ` [PATCH v14 16/17] PCI: imx6: Move the imx6_pcie_ltssm_disable() earlier Richard Zhu
2022-07-13 9:04 ` Lucas Stach
2022-07-13 11:00 ` Hongxing Zhu
2022-07-01 3:25 ` [PATCH v14 17/17] PCI: imx6: Reformat suspend callback to keep symmetric with resume Richard Zhu
2022-07-13 9:07 ` Lucas Stach
2022-07-11 22:29 ` [PATCH v14 0/17] PCI: imx6: refine codes and add the error propagation Bjorn Helgaas
2022-07-13 16:45 ` Bjorn Helgaas
2022-07-14 4:15 ` Hongxing Zhu
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