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SubjectRe: [PATCH net-next 2/3] net: phy: add amlogic g12a mdio mux support
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On Sun, 2019-03-17 at 16:48 +0100, Andrew Lunn wrote:
> On Sat, Mar 16, 2019 at 06:02:45PM +0100, Jerome Brunet wrote:
> > On Sat, 2019-03-16 at 03:54 +0100, Andrew Lunn wrote:
> > > On Thu, Mar 14, 2019 at 03:01:34PM +0100, Jerome Brunet wrote:
> > > > > +static int _g12a_enable_internal_mdio(struct g12a_mdio_mux *priv)
> > >
> > > You would generally use the _ prefix when you have a locked and an
> > > unlocked version. I don't see anything like this here. So please drop
> > > the _ .
> > >
> >
> > will do
> >
> > > Nice to see the generic clock framework being used. I just wonder if
> > > this is the correct place to have this clock code. Can it be made part
> > > of the SoC clock code?
> >
> > the PLL is local to this particular device.
> >
> > In 'Soc clock code' (driver/clk/meson in this case) we usually put clock
> > controllers. Those controllers feeds the different devices of the SoC but we
> > tends some more clock elements in the consumer device
> >
> > Usually, it is just a few mux, dividers and gates (like in
> > drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c) but in this case, we have
> > a PLL. IMO, it belongs here. Do you see a problem with this ?
>
> Hi Jerome
>
> Some maintainers like to have code in their directory structure. It
> would be good to check that the clock maintainer in happy with clock
> code under the network driver subtree. Also, the clock maintainer
> should also review this code. So please at least Cc: the clock
> maintainer and clock list on the next submission,

I happen to be maintaining Amlogic clocks ;) but I can Cc Mike and Stephen if
you prefer.

> as well as netdev. I
> personally don't know the clock code well enough to review such code.

No problem.

FYI, It is not widespread yet but more and more drivers are creating clocks
using CCF. Here is a quick grep of the files including <linux/clk-provider.h>,
excluding "drivers/clk/*"

drivers/acpi/acpi_amba.c
drivers/acpi/acpi_apd.c
drivers/acpi/acpi_lpss.c
drivers/clocksource/arc_timer.c
drivers/clocksource/timer-ti-dm.c
drivers/cpufreq/loongson1-cpufreq.c
drivers/cpufreq/qoriq-cpufreq.c
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
drivers/gpu/drm/imx/imx-tve.c
drivers/gpu/drm/mediatek/mtk_mipi_tx.c
drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
drivers/gpu/drm/msm/disp/mdp4/mdp4_lvds_pll.c
drivers/gpu/drm/msm/dsi/pll/dsi_pll.h
drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c
drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c
drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c
drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c
drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c
drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c
drivers/gpu/drm/pl111/pl111_drm.h
drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c
drivers/gpu/drm/sun4i/sun4i_dotclock.c
drivers/gpu/drm/sun4i/sun8i_hdmi_phy_clk.c
drivers/gpu/drm/sun4i/sun8i_tcon_top.h
drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c
drivers/gpu/drm/sun4i/sun4i_crtc.c
drivers/gpu/drm/tegra/sor.c
drivers/gpu/drm/vc4/vc4_dsi.c
drivers/gpu/ipu-v3/ipu-csi.c
drivers/i2c/busses/i2c-designware-platdrv.c
drivers/iio/adc/aspeed_adc.c
drivers/iio/adc/meson_saradc.c
drivers/mailbox/mtk-cmdq-mailbox.c
drivers/media/i2c/ov5640.c
drivers/media/platform/atmel/atmel-isc.c
drivers/media/platform/exynos4-is/media-dev.c
drivers/media/platform/exynos4-is/media-dev.h
drivers/media/platform/omap3isp/isp.h
drivers/memory/tegra/tegra124-emc.c
drivers/mfd/intel-lpss.c
drivers/mfd/intel_quark_i2c_gpio.c
drivers/mmc/host/meson-mx-sdio.c
drivers/mmc/host/sdhci-of-arasan.c
drivers/mmc/host/meson-gx-mmc.c
drivers/net/ethernet/cadence/macb_pci.c
drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
drivers/net/ieee802154/ca8210.c
drivers/phy/qualcomm/phy-qcom-qmp.c
drivers/phy/rockchip/phy-rockchip-inno-hdmi.c
drivers/phy/rockchip/phy-rockchip-usb.c
drivers/phy/rockchip/phy-rockchip-typec.c
drivers/phy/rockchip/phy-rockchip-inno-usb2.c
drivers/pinctrl/tegra/pinctrl-tegra20.c
drivers/pwm/pwm-meson.c
drivers/rtc/rtc-ac100.c
drivers/rtc/rtc-pcf8563.c
drivers/rtc/rtc-m41t80.c
drivers/rtc/rtc-sun6i.c
drivers/rtc/rtc-ds1307.c
drivers/rtc/rtc-hym8563.c
drivers/spi/spi-pxa2xx-pci.c
drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c
drivers/thermal/st/stm_thermal.c
drivers/usb/dwc3/dwc3-qcom.c


>
> Andrew


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