On Thu, Oct 23, 2014 at 4:50 PM, Ralf Baechle <ralf@xxxxxxxxxxxxxx> wrote:
> Fixes the following randconfig problem
>
> leds-sead3.c:(.text+0x7dc): undefined reference to `led_classdev_unregister'
> leds-sead3.c:(.text+0x7e8): undefined reference to `led_classdev_unregister'
>
I think you can fold these 3 patches into one patch then.
> Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
> ---
> arch/mips/mti-sead3/Makefile | 2 +-
> arch/mips/mti-sead3/leds-sead3.c | 90 ----------------------------------------
> drivers/leds/Kconfig | 9 ++++
> drivers/leds/Makefile | 1 +
> drivers/leds/leds-sead3.c | 90 ++++++++++++++++++++++++++++++++++++++++
> 5 files changed, 101 insertions(+), 91 deletions(-)
> delete mode 100644 arch/mips/mti-sead3/leds-sead3.c
> create mode 100644 drivers/leds/leds-sead3.c
>
> diff --git a/arch/mips/mti-sead3/Makefile b/arch/mips/mti-sead3/Makefile
> index febf433..aa8a857 100644
> --- a/arch/mips/mti-sead3/Makefile
> +++ b/arch/mips/mti-sead3/Makefile
> @@ -15,7 +15,7 @@ obj-y := sead3-lcd.o sead3-display.o sead3-init.o \
>
> obj-y += sead3-i2c-dev.o sead3-i2c.o \
> sead3-pic32-i2c-drv.o sead3-pic32-bus.o \
> - leds-sead3.o sead3-leds.o
> + sead3-leds.o
>
> obj-$(CONFIG_EARLY_PRINTK) += sead3-console.o
> obj-$(CONFIG_USB_EHCI_HCD) += sead3-ehci.o
> diff --git a/arch/mips/mti-sead3/leds-sead3.c b/arch/mips/mti-sead3/leds-sead3.c
> deleted file mode 100644
> index e5632e6..0000000
> --- a/arch/mips/mti-sead3/leds-sead3.c
> +++ /dev/null
> @@ -1,90 +0,0 @@
> -/*
> - * This file is subject to the terms and conditions of the GNU General Public
> - * License. See the file "COPYING" in the main directory of this archive
> - * for more details.
> - *
> - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
> - */
> -#include <linux/kernel.h>
> -#include <linux/module.h>
> -#include <linux/init.h>
> -#include <linux/platform_device.h>
> -#include <linux/leds.h>
> -#include <linux/err.h>
> -#include <linux/io.h>
> -
> -#define DRVNAME "sead3-led"
> -
> -static void sead3_pled_set(struct led_classdev *led_cdev,
> - enum led_brightness value)
> -{
> - pr_debug("sead3_pled_set\n");
> - writel(value, (void __iomem *)0xBF000210); /* FIXME */
> -}
> -
> -static void sead3_fled_set(struct led_classdev *led_cdev,
> - enum led_brightness value)
> -{
> - pr_debug("sead3_fled_set\n");
> - writel(value, (void __iomem *)0xBF000218); /* FIXME */
> -}
> -
> -static struct led_classdev sead3_pled = {
> - .name = "sead3::pled",
> - .brightness_set = sead3_pled_set,
> - .flags = LED_CORE_SUSPENDRESUME,
> -};
> -
> -static struct led_classdev sead3_fled = {
> - .name = "sead3::fled",
> - .brightness_set = sead3_fled_set,
> - .flags = LED_CORE_SUSPENDRESUME,
> -};
> -
> -static int sead3_led_probe(struct platform_device *pdev)
> -{
> - int ret;
> -
> - ret = led_classdev_register(&pdev->dev, &sead3_pled);
> - if (ret < 0)
> - return ret;
> -
> - ret = led_classdev_register(&pdev->dev, &sead3_fled);
> - if (ret < 0)
> - led_classdev_unregister(&sead3_pled);
> -
> - return ret;
> -}
> -
> -static int sead3_led_remove(struct platform_device *pdev)
> -{
> - led_classdev_unregister(&sead3_pled);
> - led_classdev_unregister(&sead3_fled);
> - return 0;
> -}
> -
> -static struct platform_driver sead3_led_driver = {
> - .probe = sead3_led_probe,
> - .remove = sead3_led_remove,
> - .driver = {
> - .name = DRVNAME,
> - .owner = THIS_MODULE,
> - },
> -};
> -
> -static int __init sead3_led_init(void)
> -{
> - return platform_driver_register(&sead3_led_driver);
> -}
> -
> -static void __exit sead3_led_exit(void)
> -{
> - platform_driver_unregister(&sead3_led_driver);
> -}
> -
> -module_init(sead3_led_init);
> -module_exit(sead3_led_exit);
> -
> -MODULE_AUTHOR("Kristian Kielhofner <kris@xxxxxxxxx>");
> -MODULE_DESCRIPTION("SEAD3 LED driver");
> -MODULE_LICENSE("GPL");
> diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
> index a210338..b86aa85 100644
> --- a/drivers/leds/Kconfig
> +++ b/drivers/leds/Kconfig
> @@ -477,6 +477,15 @@ config LEDS_MENF21BMC
> This driver can also be built as a module. If so the module
> will be called leds-menf21bmc.
>
> +config LEDS_SEAD3
> + tristate "LED support for the MIPS SEAD 3 board"
> + depends on LEDS_CLASS && MIPS_SEAD3
> + help
> + Say Y here to include support for the MEN 14F021P00 BMC LEDs.
> +
Is this driver similar to drivers/leds/leds-menf21bmc.c? If we can
reuse the code it should be better.
> + This driver can also be built as a module. If so the module
> + will be called leds-sead3.
> +
> comment "LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)"
>
> config LEDS_BLINKM
> diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
> index a2b1647..4f22241 100644
> --- a/drivers/leds/Makefile
> +++ b/drivers/leds/Makefile
> @@ -56,6 +56,7 @@ obj-$(CONFIG_LEDS_BLINKM) += leds-blinkm.o
> obj-$(CONFIG_LEDS_SYSCON) += leds-syscon.o
> obj-$(CONFIG_LEDS_VERSATILE) += leds-versatile.o
> obj-$(CONFIG_LEDS_MENF21BMC) += leds-menf21bmc.o
> +obj-$(CONFIG_LEDS_SEAD3) += leds-sead3.o
>
> # LED SPI Drivers
> obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o
> diff --git a/drivers/leds/leds-sead3.c b/drivers/leds/leds-sead3.c
> new file mode 100644
> index 0000000..0cf79f5
> --- /dev/null
> +++ b/drivers/leds/leds-sead3.c
> @@ -0,0 +1,90 @@
> +/*
> + * This file is subject to the terms and conditions of the GNU General Public
> + * License. See the file "COPYING" in the main directory of this archive
> + * for more details.
> + *
> + * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
> + */
> +#include <linux/kernel.h>
> +#include <linux/module.h>
> +#include <linux/init.h>
> +#include <linux/platform_device.h>
> +#include <linux/leds.h>
> +#include <linux/err.h>
> +#include <linux/io.h>
> +
Please reorder this list in alphabetic order.
> +static void sead3_pled_set(struct led_classdev *led_cdev,
> + enum led_brightness value)
> +{
> + pr_debug("sead3_pled_set\n");
Don't use pr_debug, please use dev_dbg();
> + writel(value, (void __iomem *)0xBF000210); /* FIXME */
Fix this, define some meaningful name of the address.
> +}
> +
> +static void sead3_fled_set(struct led_classdev *led_cdev,
> + enum led_brightness value)
> +{
> + pr_debug("sead3_fled_set\n");
Don't use pr_debug, please use dev_dbg();
> + writel(value, (void __iomem *)0xBF000218); /* FIXME */
ditto
> +}
> +
> +static struct led_classdev sead3_pled = {
> + .name = "sead3::pled",
> + .brightness_set = sead3_pled_set,
> + .flags = LED_CORE_SUSPENDRESUME,
> +};
> +
> +static struct led_classdev sead3_fled = {
> + .name = "sead3::fled",
> + .brightness_set = sead3_fled_set,
> + .flags = LED_CORE_SUSPENDRESUME,
> +};
> +
What's pled and fled? Please give more meaningful name or document it.
> +static int sead3_led_probe(struct platform_device *pdev)
> +{
> + int ret;
> +
> + ret = led_classdev_register(&pdev->dev, &sead3_pled);
> + if (ret < 0)
> + return ret;
> +
> + ret = led_classdev_register(&pdev->dev, &sead3_fled);
> + if (ret < 0)
> + led_classdev_unregister(&sead3_pled);
> +
> + return ret;
> +}
> +
> +static int sead3_led_remove(struct platform_device *pdev)
> +{
> + led_classdev_unregister(&sead3_pled);
> + led_classdev_unregister(&sead3_fled);
> +
> + return 0;
> +}
> +
> +static struct platform_driver sead3_led_driver = {
> + .probe = sead3_led_probe,
> + .remove = sead3_led_remove,
> + .driver = {
> + .name = "sead3-led",
> + .owner = THIS_MODULE,
> + },
> +};
> +
> +static int __init sead3_led_init(void)
> +{
> + return platform_driver_register(&sead3_led_driver);
> +}
> +
> +static void __exit sead3_led_exit(void)
> +{
> + platform_driver_unregister(&sead3_led_driver);
> +}
> +
> +module_init(sead3_led_init);
> +module_exit(sead3_led_exit);
> +
You can use module_platform_driver() here.
> +MODULE_LICENSE("GPL");
> +MODULE_DESCRIPTION("SEAD3 LED driver");
> +MODULE_AUTHOR("Kristian Kielhofner <kris@xxxxxxxxx>");
> +MODULE_ALIAS("platform:sead3-led");
> --
> 1.9.3
>
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