From: "elaine.zhang" <zhangqing@rock-chips.com> To: "Heiko Stübner" <heiko@sntech.de> Cc: mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, xxx@rock-chips.com, xf@rock-chips.com, huangtao@rock-chips.com, kever.yang@rock-chips.com Subject: Re: [PATCH v3 6/6] clk: rockchip: rk3399: Support module build Date: Thu, 10 Sep 2020 11:07:17 +0800 [thread overview] Message-ID: <ad06ac8a-e7f9-382d-1cbc-01aea6256e5c@rock-chips.com> (raw) In-Reply-To: <3524790.GmC4BGDxql@diego> hi, 在 2020/9/7 上午6:49, Heiko Stübner 写道: > Am Freitag, 4. September 2020, 09:45:05 CEST schrieb Elaine Zhang: >> support CLK_OF_DECLARE and builtin_platform_driver_probe >> double clk init method. >> add module author, description and license to support building >> Soc Rk3399 clock driver as module. >> >> Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> >> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> >> --- >> drivers/clk/rockchip/clk-rk3399.c | 55 +++++++++++++++++++++++++++++++ >> 1 file changed, 55 insertions(+) >> >> diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c >> index ce1d2446f142..40ff17aee5b6 100644 >> --- a/drivers/clk/rockchip/clk-rk3399.c >> +++ b/drivers/clk/rockchip/clk-rk3399.c >> @@ -5,9 +5,11 @@ >> */ >> >> #include <linux/clk-provider.h> >> +#include <linux/module.h> >> #include <linux/io.h> >> #include <linux/of.h> >> #include <linux/of_address.h> >> +#include <linux/of_device.h> >> #include <linux/platform_device.h> >> #include <linux/regmap.h> >> #include <dt-bindings/clock/rk3399-cru.h> >> @@ -1600,3 +1602,56 @@ static void __init rk3399_pmu_clk_init(struct device_node *np) >> rockchip_clk_of_add_provider(np, ctx); >> } >> CLK_OF_DECLARE(rk3399_cru_pmu, "rockchip,rk3399-pmucru", rk3399_pmu_clk_init); >> + >> +struct clk_rk3399_inits { >> + void (*inits)(struct device_node *np); >> +}; >> + >> +static const struct clk_rk3399_inits clk_rk3399_pmucru_init = { >> + .inits = rk3399_pmu_clk_init, >> +}; >> + >> +static const struct clk_rk3399_inits clk_rk3399_cru_init = { >> + .inits = rk3399_clk_init, >> +}; >> + >> +static const struct of_device_id clk_rk3399_match_table[] = { >> + { >> + .compatible = "rockchip,rk3399-cru", >> + .data = &clk_rk3399_cru_init, >> + }, { >> + .compatible = "rockchip,rk3399-pmucru", >> + .data = &clk_rk3399_pmucru_init, >> + }, >> + { } >> +}; >> +MODULE_DEVICE_TABLE(of, clk_rk3399_match_table); >> + >> +static int __init clk_rk3399_probe(struct platform_device *pdev) >> +{ >> + struct device_node *np = pdev->dev.of_node; >> + const struct of_device_id *match; >> + const struct clk_rk3399_inits *init_data; >> + >> + match = of_match_device(clk_rk3399_match_table, &pdev->dev); >> + if (!match || !match->data) >> + return -EINVAL; >> + >> + init_data = match->data; >> + if (init_data->inits) >> + init_data->inits(np); >> + >> + return 0; >> +} >> + >> +static struct platform_driver clk_rk3399_driver = { >> + .driver = { >> + .name = "clk-rk3399", >> + .of_match_table = clk_rk3399_match_table, > I guess we probably want > .suppress_bind_attrs = true, OK, I will add it in the next version. > > here, because there is no unloading. > Also what happens when you try to rmmod the module? console:/ # lsmod | grep clk clk_rk808 16384 0 clk_rk3399 49152 0 [permanent] clk_rockchip 57344 32 rockchip_dmc,rockchip_opp_select,clk_rk3399 rockchip_sip 24576 6 rk_vcodec,rockchip_pwm_remotectl,rockchip_bus,nvmem_rockchip_efuse,rockchip_pm_config,clk_rockchip console:/ # rmmod clk_rk3399 rmmod: failed to unload clk_rk3399: Device or resource busy console:/ # rmmod -f clk_rk3399 rmmod: failed to unload clk_rk3399: Device or resource busy The builtin_platform_driver_probe() without the __exit parts. > > Heiko > > > >
WARNING: multiple messages have this Message-ID (diff)
From: "elaine.zhang" <zhangqing@rock-chips.com> To: "Heiko Stübner" <heiko@sntech.de> Cc: huangtao@rock-chips.com, xf@rock-chips.com, sboyd@kernel.org, mturquette@baylibre.com, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, kever.yang@rock-chips.com, linux-rockchip@lists.infradead.org, xxx@rock-chips.com Subject: Re: [PATCH v3 6/6] clk: rockchip: rk3399: Support module build Date: Thu, 10 Sep 2020 11:07:17 +0800 [thread overview] Message-ID: <ad06ac8a-e7f9-382d-1cbc-01aea6256e5c@rock-chips.com> (raw) In-Reply-To: <3524790.GmC4BGDxql@diego> hi, 在 2020/9/7 上午6:49, Heiko Stübner 写道: > Am Freitag, 4. September 2020, 09:45:05 CEST schrieb Elaine Zhang: >> support CLK_OF_DECLARE and builtin_platform_driver_probe >> double clk init method. >> add module author, description and license to support building >> Soc Rk3399 clock driver as module. >> >> Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> >> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> >> --- >> drivers/clk/rockchip/clk-rk3399.c | 55 +++++++++++++++++++++++++++++++ >> 1 file changed, 55 insertions(+) >> >> diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c >> index ce1d2446f142..40ff17aee5b6 100644 >> --- a/drivers/clk/rockchip/clk-rk3399.c >> +++ b/drivers/clk/rockchip/clk-rk3399.c >> @@ -5,9 +5,11 @@ >> */ >> >> #include <linux/clk-provider.h> >> +#include <linux/module.h> >> #include <linux/io.h> >> #include <linux/of.h> >> #include <linux/of_address.h> >> +#include <linux/of_device.h> >> #include <linux/platform_device.h> >> #include <linux/regmap.h> >> #include <dt-bindings/clock/rk3399-cru.h> >> @@ -1600,3 +1602,56 @@ static void __init rk3399_pmu_clk_init(struct device_node *np) >> rockchip_clk_of_add_provider(np, ctx); >> } >> CLK_OF_DECLARE(rk3399_cru_pmu, "rockchip,rk3399-pmucru", rk3399_pmu_clk_init); >> + >> +struct clk_rk3399_inits { >> + void (*inits)(struct device_node *np); >> +}; >> + >> +static const struct clk_rk3399_inits clk_rk3399_pmucru_init = { >> + .inits = rk3399_pmu_clk_init, >> +}; >> + >> +static const struct clk_rk3399_inits clk_rk3399_cru_init = { >> + .inits = rk3399_clk_init, >> +}; >> + >> +static const struct of_device_id clk_rk3399_match_table[] = { >> + { >> + .compatible = "rockchip,rk3399-cru", >> + .data = &clk_rk3399_cru_init, >> + }, { >> + .compatible = "rockchip,rk3399-pmucru", >> + .data = &clk_rk3399_pmucru_init, >> + }, >> + { } >> +}; >> +MODULE_DEVICE_TABLE(of, clk_rk3399_match_table); >> + >> +static int __init clk_rk3399_probe(struct platform_device *pdev) >> +{ >> + struct device_node *np = pdev->dev.of_node; >> + const struct of_device_id *match; >> + const struct clk_rk3399_inits *init_data; >> + >> + match = of_match_device(clk_rk3399_match_table, &pdev->dev); >> + if (!match || !match->data) >> + return -EINVAL; >> + >> + init_data = match->data; >> + if (init_data->inits) >> + init_data->inits(np); >> + >> + return 0; >> +} >> + >> +static struct platform_driver clk_rk3399_driver = { >> + .driver = { >> + .name = "clk-rk3399", >> + .of_match_table = clk_rk3399_match_table, > I guess we probably want > .suppress_bind_attrs = true, OK, I will add it in the next version. > > here, because there is no unloading. > Also what happens when you try to rmmod the module? console:/ # lsmod | grep clk clk_rk808 16384 0 clk_rk3399 49152 0 [permanent] clk_rockchip 57344 32 rockchip_dmc,rockchip_opp_select,clk_rk3399 rockchip_sip 24576 6 rk_vcodec,rockchip_pwm_remotectl,rockchip_bus,nvmem_rockchip_efuse,rockchip_pm_config,clk_rockchip console:/ # rmmod clk_rk3399 rmmod: failed to unload clk_rk3399: Device or resource busy console:/ # rmmod -f clk_rk3399 rmmod: failed to unload clk_rk3399: Device or resource busy The builtin_platform_driver_probe() without the __exit parts. > > Heiko > > > > _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2020-09-10 3:14 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-04 7:43 [PATCH v3 0/6] clk: rockchip: Support module build Elaine Zhang 2020-09-04 7:43 ` Elaine Zhang 2020-09-04 7:44 ` [PATCH v3 1/6] clk: rockchip: Use clk_hw_register_composite instead of clk_register_composite calls Elaine Zhang 2020-09-04 7:44 ` Elaine Zhang 2020-09-06 22:45 ` Heiko Stübner 2020-09-06 22:45 ` Heiko Stübner 2020-09-04 7:44 ` [PATCH v3 2/6] clk: rockchip: Export rockchip_clk_register_ddrclk() Elaine Zhang 2020-09-04 7:44 ` Elaine Zhang 2020-09-06 22:34 ` Heiko Stübner 2020-09-06 22:34 ` Heiko Stübner 2020-09-04 7:44 ` [PATCH v3 3/6] clk: rockchip: Export rockchip_register_softrst() Elaine Zhang 2020-09-04 7:44 ` Elaine Zhang 2020-09-06 22:35 ` Heiko Stübner 2020-09-06 22:35 ` Heiko Stübner 2020-09-04 7:44 ` [PATCH v3 4/6] clk: rockchip: Export some clock common APIs for module drivers Elaine Zhang 2020-09-04 7:44 ` Elaine Zhang 2020-09-06 22:45 ` Heiko Stübner 2020-09-06 22:45 ` Heiko Stübner 2020-09-04 7:44 ` [PATCH v3 5/6] clk: rockchip: fix the clk config to support module build Elaine Zhang 2020-09-04 7:44 ` Elaine Zhang 2020-09-06 22:42 ` Heiko Stübner 2020-09-06 22:42 ` Heiko Stübner 2020-09-04 7:45 ` [PATCH v3 6/6] clk: rockchip: rk3399: Support " Elaine Zhang 2020-09-04 7:45 ` Elaine Zhang 2020-09-06 22:49 ` Heiko Stübner 2020-09-06 22:49 ` Heiko Stübner 2020-09-10 3:07 ` elaine.zhang [this message] 2020-09-10 3:07 ` elaine.zhang
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