From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: Maxime Ripard <maxime@cerno.tech>
Cc: Tim Gover <tim.gover@raspberrypi.com>,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
linux-kernel@vger.kernel.org,
bcm-kernel-feedback-list@broadcom.com,
linux-rpi-kernel@lists.infradead.org,
Phil Elwell <phil@raspberrypi.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 03/25] firmware: rpi: Only create clocks device if we don't have a node for it
Date: Thu, 04 Jun 2020 19:50:42 +0200 [thread overview]
Message-ID: <47efdefe8873d8907ea20aa7f3ba025227ee3699.camel@suse.de> (raw)
In-Reply-To: <f0b979221dedec7db9cab201388bf44c0d987a3d.1590594293.git-series.maxime@cerno.tech>
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On Wed, 2020-05-27 at 17:44 +0200, Maxime Ripard wrote:
> The firmware clocks driver was previously probed through a platform_device
> created by the firmware driver.
>
> Since we will now have a node for that clocks driver, we need to create the
> device only in the case where there's no node for it already.
>
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
> ---
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Regards,
Nicolas
> drivers/firmware/raspberrypi.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
> index ef8098856a47..b25901a77c09 100644
> --- a/drivers/firmware/raspberrypi.c
> +++ b/drivers/firmware/raspberrypi.c
> @@ -208,6 +208,20 @@ rpi_register_hwmon_driver(struct device *dev, struct
> rpi_firmware *fw)
>
> static void rpi_register_clk_driver(struct device *dev)
> {
> + struct device_node *firmware;
> +
> + /*
> + * Earlier DTs don't have a node for the firmware clocks but
> + * rely on us creating a platform device by hand. If we do
> + * have a node for the firmware clocks, just bail out here.
> + */
> + firmware = of_get_compatible_child(dev->of_node,
> + "raspberrypi,firmware-clocks");
> + if (firmware) {
> + of_node_put(firmware);
> + return;
> + }
> +
> rpi_clk = platform_device_register_data(dev, "raspberrypi-clk",
> -1, NULL, 0);
> }
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next prev parent reply other threads:[~2020-06-04 17:50 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-27 15:44 [PATCH v3 00/25] clk: bcm: rpi: Add support for BCM2711 firmware clocks Maxime Ripard
2020-05-27 15:44 ` [PATCH v3 01/25] dt-bindings: arm: bcm: Convert BCM2835 firmware binding to YAML Maxime Ripard
2020-05-27 15:44 ` [PATCH v3 02/25] dt-bindings: clock: Add a binding for the RPi Firmware clocks Maxime Ripard
2020-05-29 18:14 ` Rob Herring
2020-05-29 21:17 ` Stephen Boyd
2020-05-30 16:23 ` Maxime Ripard
2020-05-27 15:44 ` [PATCH v3 03/25] firmware: rpi: Only create clocks device if we don't have a node for it Maxime Ripard
2020-06-04 17:50 ` Nicolas Saenz Julienne [this message]
2020-05-27 15:45 ` [PATCH v3 04/25] clk: bcm: rpi: Allow the driver to be probed by DT Maxime Ripard
2020-05-29 21:17 ` Stephen Boyd
2020-06-04 17:52 ` Nicolas Saenz Julienne
2020-05-27 15:45 ` [PATCH v3 05/25] clk: bcm: rpi: Statically init clk_init_data Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 06/25] clk: bcm: rpi: Use clk_hw_register for pllb_arm Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 07/25] clk: bcm: rpi: Remove global pllb_arm clock pointer Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 08/25] clk: bcm: rpi: Make sure pllb_arm is removed Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 09/25] clk: bcm: rpi: Remove pllb_arm_lookup global pointer Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 10/25] clk: bcm: rpi: Switch to clk_hw_register_clkdev Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 11/25] clk: bcm: rpi: Make sure the clkdev lookup is removed Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 12/25] clk: bcm: rpi: Use CCF boundaries instead of rolling our own Maxime Ripard
2020-06-04 18:02 ` Nicolas Saenz Julienne
2020-06-05 9:28 ` Maxime Ripard
2020-06-05 9:34 ` Nicolas Saenz Julienne
2020-05-27 15:45 ` [PATCH v3 13/25] clk: bcm: rpi: Create a data structure for the clocks Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 14/25] clk: bcm: rpi: Add clock id to data Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 15/25] clk: bcm: rpi: Pass the clocks data to the firmware function Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 16/25] clk: bcm: rpi: Rename is_prepared function Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 17/25] clk: bcm: rpi: Split pllb clock hooks Maxime Ripard
2020-06-05 10:34 ` Nicolas Saenz Julienne
2020-05-27 15:45 ` [PATCH v3 18/25] clk: bcm: rpi: Make the PLLB registration function return a clk_hw Maxime Ripard
2020-06-05 10:38 ` Nicolas Saenz Julienne
2020-05-27 15:45 ` [PATCH v3 19/25] clk: bcm: rpi: Add DT provider for the clocks Maxime Ripard
2020-06-05 10:42 ` Nicolas Saenz Julienne
2020-05-27 15:45 ` [PATCH v3 20/25] clk: bcm: rpi: Add an enum for the firmware clocks Maxime Ripard
2020-06-05 12:04 ` Nicolas Saenz Julienne
2020-06-05 13:09 ` Nicolas Saenz Julienne
2020-05-27 15:45 ` [PATCH v3 21/25] clk: bcm: rpi: Discover " Maxime Ripard
2020-06-05 12:45 ` Nicolas Saenz Julienne
2020-05-27 15:45 ` [PATCH v3 22/25] clk: bcm: rpi: Give firmware clocks a name Maxime Ripard
2020-06-05 12:49 ` Nicolas Saenz Julienne
2020-05-27 15:45 ` [PATCH v3 23/25] Revert "clk: bcm2835: remove pllb" Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 24/25] clk: bcm: rpi: Remove the quirks for the CPU clock Maxime Ripard
2020-05-27 15:45 ` [PATCH v3 25/25] ARM: dts: bcm2711: Add firmware clocks node Maxime Ripard
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