[PATCH v1 1/2] phy: freescale: imx8m-pcie: cleanup reset logic
Philipp Zabel
p.zabel at pengutronix.de
Fri Feb 28 04:38:11 PST 2025
On Fr, 2025-02-28 at 11:38 +0100, Stefan Eichenberger wrote:
> From: Stefan Eichenberger <stefan.eichenberger at toradex.com>
>
> Remove the switch statement and base perst release on whether it is
> found in the device tree. The probe function fails without the reset
> property, making it mandatory. Therefore, always release reset
> independent of the variant.
>
> This does not change the behavior of the driver but reduces driver
> complexity and allows for easier future modifications.
>
> Signed-off-by: Stefan Eichenberger <stefan.eichenberger at toradex.com>
> ---
> drivers/phy/freescale/phy-fsl-imx8m-pcie.c | 12 ++++--------
> 1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/phy/freescale/phy-fsl-imx8m-pcie.c b/drivers/phy/freescale/phy-fsl-imx8m-pcie.c
> index e98361dcdeadf..00f957a42d9dc 100644
> --- a/drivers/phy/freescale/phy-fsl-imx8m-pcie.c
> +++ b/drivers/phy/freescale/phy-fsl-imx8m-pcie.c
> @@ -141,15 +141,11 @@ static int imx8_pcie_phy_power_on(struct phy *phy)
> IMX8MM_GPR_PCIE_REF_CLK_PLL);
> usleep_range(100, 200);
>
> - switch (imx8_phy->drvdata->variant) {
> - case IMX8MP:
> + if (imx8_phy->perst)
This check is not necessary, reset_control_deassert(NULL) is a no-op:
> reset_control_deassert(imx8_phy->perst);
regards
Philipp
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