From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Calvin Johnson <calvin.johnson@oss.nxp.com>
Cc: Grant Likely <grant.likely@arm.com>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Jeremy Linton <jeremy.linton@arm.com>,
Andrew Lunn <andrew@lunn.ch>,
Florian Fainelli <f.fainelli@gmail.com>,
Russell King - ARM Linux admin <linux@armlinux.org.uk>,
Cristi Sovaiala <cristian.sovaiala@nxp.com>,
Florin Laurentiu Chiculita <florinlaurentiu.chiculita@nxp.com>,
Ioana Ciornei <ioana.ciornei@nxp.com>,
Madalin Bucur <madalin.bucur@oss.nxp.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Marcin Wojtas <mw@semihalf.com>,
Pieter Jansen Van Vuuren <pieter.jansenvv@bamboosystems.io>,
Jon <jon@solid-run.com>, Saravana Kannan <saravanak@google.com>,
Randy Dunlap <rdunlap@infradead.org>,
linux.cj@gmail.com,
Diana Madalina Craciun <diana.craciun@nxp.com>,
linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
Laurentiu Tudor <laurentiu.tudor@nxp.com>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Subject: Re: [net-next PATCH v4 09/15] device property: Introduce fwnode_get_id()
Date: Fri, 22 Jan 2021 18:24:28 +0200 [thread overview]
Message-ID: <YAr8PFRcR8gNZz95@smile.fi.intel.com> (raw)
In-Reply-To: <20210122154300.7628-10-calvin.johnson@oss.nxp.com>
On Fri, Jan 22, 2021 at 09:12:54PM +0530, Calvin Johnson wrote:
> Using fwnode_get_id(), get the reg property value for DT node
> or get the _ADR object value for ACPI node.
...
> +/**
> + * fwnode_get_id - Get the id of a fwnode.
> + * @fwnode: firmware node
> + * @id: id of the fwnode
> + *
> + * This function provides the id of a fwnode which can be either
> + * DT or ACPI node. For ACPI, "reg" property value, if present will
> + * be provided or else _ADR value will be provided.
> + * Returns 0 on success or a negative errno.
> + */
> +int fwnode_get_id(struct fwnode_handle *fwnode, u32 *id)
> +{
> +#ifdef CONFIG_ACPI
> + unsigned long long adr;
> + acpi_status status;
> +#endif
Instead you may do...
> + int ret;
> +
> + ret = fwnode_property_read_u32(fwnode, "reg", id);
> + if (ret) {
> +#ifdef CONFIG_ACPI
...it here like
unsigned long long adr;
acpi_status status;
> + status = acpi_evaluate_integer(ACPI_HANDLE_FWNODE(fwnode),
> + METHOD_NAME__ADR, NULL, &adr);
> + if (ACPI_FAILURE(status))
> + return -EINVAL;
> + *id = (u32)adr;
> +#else
> + return ret;
> +#endif
> + }
> + return 0;
> +}
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2021-01-22 16:27 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-22 15:42 [net-next PATCH v4 00/15] ACPI support for dpaa2 driver Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 01/15] Documentation: ACPI: DSD: Document MDIO PHY Calvin Johnson
2021-01-22 19:22 ` Rafael J. Wysocki
2021-01-28 11:27 ` Calvin Johnson
2021-01-28 12:00 ` Rafael J. Wysocki
2021-01-28 13:12 ` Calvin Johnson
2021-01-28 13:27 ` Rafael J. Wysocki
2021-01-29 6:47 ` Calvin Johnson
2021-01-29 16:37 ` Rafael J. Wysocki
2021-01-29 16:44 ` Rafael J. Wysocki
2021-01-29 17:21 ` Andy Shevchenko
2021-01-22 15:42 ` [net-next PATCH v4 02/15] net: phy: Introduce fwnode_mdio_find_device() Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 03/15] net: phy: Introduce phy related fwnode functions Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 04/15] of: mdio: Refactor of_phy_find_device() Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 05/15] net: phy: Introduce fwnode_get_phy_id() Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 06/15] of: mdio: Refactor of_get_phy_id() Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 07/15] net: mdiobus: Introduce fwnode_mdiobus_register_phy() Calvin Johnson
2021-02-05 17:25 ` Calvin Johnson
2021-02-05 18:25 ` Andy Shevchenko
2021-02-05 18:41 ` Andy Shevchenko
2021-02-05 18:58 ` Andy Shevchenko
2021-02-06 17:14 ` Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 08/15] of: mdio: Refactor of_mdiobus_register_phy() Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 09/15] device property: Introduce fwnode_get_id() Calvin Johnson
2021-01-22 16:24 ` Andy Shevchenko [this message]
2021-01-22 16:40 ` Rafael J. Wysocki
2021-01-22 17:13 ` Andy Shevchenko
2021-01-22 18:11 ` Rafael J. Wysocki
2021-01-22 18:21 ` Rafael J. Wysocki
2021-01-22 18:13 ` Rafael J. Wysocki
2021-01-22 18:35 ` Rafael J. Wysocki
2021-01-22 15:42 ` [net-next PATCH v4 10/15] net: mdio: Add ACPI support code for mdio Calvin Johnson
2021-01-23 1:39 ` Jakub Kicinski
2021-01-22 15:42 ` [net-next PATCH v4 11/15] net: mdiobus: Introduce fwnode_mdiobus_register() Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 12/15] net/fsl: Use fwnode_mdiobus_register() Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 13/15] phylink: introduce phylink_fwnode_phy_connect() Calvin Johnson
2021-01-22 15:42 ` [net-next PATCH v4 14/15] net: phylink: Refactor phylink_of_phy_connect() Calvin Johnson
2021-01-22 15:43 ` [net-next PATCH v4 15/15] net: dpaa2-mac: Add ACPI support for DPAA2 MAC driver Calvin Johnson
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