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drivercore: Add helper macro for platform_driver boilerplate

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For simple modules that contain a single platform_driver without any
additional setup code then ends up being a block of duplicated
boilerplate.  This patch adds a new macro, module_platform_driver(),
which replaces the module_init()/module_exit() registrations with
template functions.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Reviewed-by: Magnus Damm <magnus.damm@gmail.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Grant Likely 2011-10-05 11:29:49 -06:00
parent 38ada214fa
commit 940ab88962
27 changed files with 63 additions and 329 deletions
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13
drivers/spi/spi-altera.c
View file

@ -320,18 +320,7 @@ static struct platform_driver altera_spi_driver = {
.of_match_table = altera_spi_match,
},
};
static int __init altera_spi_init(void)
{
return platform_driver_register(&altera_spi_driver);
}
module_init(altera_spi_init);
static void __exit altera_spi_exit(void)
{
platform_driver_unregister(&altera_spi_driver);
}
module_exit(altera_spi_exit);
module_platform_driver(altera_spi_driver);
MODULE_DESCRIPTION("Altera SPI driver");
MODULE_AUTHOR("Thomas Chou <thomas@wytron.com.tw>");

13
drivers/spi/spi-ath79.c
View file

@ -273,18 +273,7 @@ static struct platform_driver ath79_spi_driver = {
.owner = THIS_MODULE,
},
};
static __init int ath79_spi_init(void)
{
return platform_driver_register(&ath79_spi_driver);
}
module_init(ath79_spi_init);
static __exit void ath79_spi_exit(void)
{
platform_driver_unregister(&ath79_spi_driver);
}
module_exit(ath79_spi_exit);
module_platform_driver(ath79_spi_driver);
MODULE_DESCRIPTION("SPI controller driver for Atheros AR71XX/AR724X/AR913X");
MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");

13
drivers/spi/spi-atmel.c
View file

@ -1074,18 +1074,7 @@ static struct platform_driver atmel_spi_driver = {
.resume = atmel_spi_resume,
.remove = __exit_p(atmel_spi_remove),
};
static int __init atmel_spi_init(void)
{
return platform_driver_probe(&atmel_spi_driver, atmel_spi_probe);
}
module_init(atmel_spi_init);
static void __exit atmel_spi_exit(void)
{
platform_driver_unregister(&atmel_spi_driver);
}
module_exit(atmel_spi_exit);
module_platform_driver(atmel_spi_driver);
MODULE_DESCRIPTION("Atmel AT32/AT91 SPI Controller driver");
MODULE_AUTHOR("Haavard Skinnemoen (Atmel)");

13
drivers/spi/spi-bfin-sport.c
View file

@ -938,15 +938,4 @@ static struct platform_driver bfin_sport_spi_driver = {
.suspend = bfin_sport_spi_suspend,
.resume = bfin_sport_spi_resume,
};
static int __init bfin_sport_spi_init(void)
{
return platform_driver_register(&bfin_sport_spi_driver);
}
module_init(bfin_sport_spi_init);
static void __exit bfin_sport_spi_exit(void)
{
platform_driver_unregister(&bfin_sport_spi_driver);
}
module_exit(bfin_sport_spi_exit);
module_platform_driver(bfin_sport_spi_driver);

14
drivers/spi/spi-coldfire-qspi.c
View file

@ -621,20 +621,10 @@ static struct platform_driver mcfqspi_driver = {
.driver.name = DRIVER_NAME,
.driver.owner = THIS_MODULE,
.driver.pm = MCFQSPI_DEV_PM_OPS,
.probe = mcfqspi_probe,
.remove = __devexit_p(mcfqspi_remove),
};
static int __init mcfqspi_init(void)
{
return platform_driver_probe(&mcfqspi_driver, mcfqspi_probe);
}
module_init(mcfqspi_init);
static void __exit mcfqspi_exit(void)
{
platform_driver_unregister(&mcfqspi_driver);
}
module_exit(mcfqspi_exit);
module_platform_driver(mcfqspi_driver);
MODULE_AUTHOR("Steven King <sfking@fdwdc.com>");
MODULE_DESCRIPTION("Coldfire QSPI Controller Driver");

20
drivers/spi/spi-davinci.c
View file

@ -799,7 +799,7 @@ static int davinci_spi_request_dma(struct davinci_spi *dspi)
* It will invoke spi_bitbang_start to create work queue so that client driver
* can register transfer method to work queue.
*/
static int davinci_spi_probe(struct platform_device *pdev)
static int __devinit davinci_spi_probe(struct platform_device *pdev)
{
struct spi_master *master;
struct davinci_spi *dspi;
@ -984,7 +984,7 @@ static int davinci_spi_probe(struct platform_device *pdev)
* It will also call spi_bitbang_stop to destroy the work queue which was
* created by spi_bitbang_start.
*/
static int __exit davinci_spi_remove(struct platform_device *pdev)
static int __devexit davinci_spi_remove(struct platform_device *pdev)
{
struct davinci_spi *dspi;
struct spi_master *master;
@ -1011,20 +1011,10 @@ static struct platform_driver davinci_spi_driver = {
.name = "spi_davinci",
.owner = THIS_MODULE,
},
.remove = __exit_p(davinci_spi_remove),
.probe = davinci_spi_probe,
.remove = __devexit_p(davinci_spi_remove),
};
static int __init davinci_spi_init(void)
{
return platform_driver_probe(&davinci_spi_driver, davinci_spi_probe);
}
module_init(davinci_spi_init);
static void __exit davinci_spi_exit(void)
{
platform_driver_unregister(&davinci_spi_driver);
}
module_exit(davinci_spi_exit);
module_platform_driver(davinci_spi_driver);
MODULE_DESCRIPTION("TI DaVinci SPI Master Controller Driver");
MODULE_LICENSE("GPL");

14
drivers/spi/spi-dw-mmio.c
View file

@ -127,24 +127,14 @@ static int __devexit dw_spi_mmio_remove(struct platform_device *pdev)
}
static struct platform_driver dw_spi_mmio_driver = {
.probe = dw_spi_mmio_probe,
.remove = __devexit_p(dw_spi_mmio_remove),
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
},
};
static int __init dw_spi_mmio_init(void)
{
return platform_driver_probe(&dw_spi_mmio_driver, dw_spi_mmio_probe);
}
module_init(dw_spi_mmio_init);
static void __exit dw_spi_mmio_exit(void)
{
platform_driver_unregister(&dw_spi_mmio_driver);
}
module_exit(dw_spi_mmio_exit);
module_platform_driver(dw_spi_mmio_driver);
MODULE_AUTHOR("Jean-Hugues Deschenes <jean-hugues.deschenes@octasic.com>");
MODULE_DESCRIPTION("Memory-mapped I/O interface driver for DW SPI Core");

20
drivers/spi/spi-ep93xx.c
View file

@ -1026,7 +1026,7 @@ static void ep93xx_spi_release_dma(struct ep93xx_spi *espi)
free_page((unsigned long)espi->zeropage);
}
static int __init ep93xx_spi_probe(struct platform_device *pdev)
static int __devinit ep93xx_spi_probe(struct platform_device *pdev)
{
struct spi_master *master;
struct ep93xx_spi_info *info;
@ -1151,7 +1151,7 @@ static int __init ep93xx_spi_probe(struct platform_device *pdev)
return error;
}
static int __exit ep93xx_spi_remove(struct platform_device *pdev)
static int __devexit ep93xx_spi_remove(struct platform_device *pdev)
{
struct spi_master *master = platform_get_drvdata(pdev);
struct ep93xx_spi *espi = spi_master_get_devdata(master);
@ -1197,20 +1197,10 @@ static struct platform_driver ep93xx_spi_driver = {
.name = "ep93xx-spi",
.owner = THIS_MODULE,
},
.remove = __exit_p(ep93xx_spi_remove),
.probe = ep93xx_spi_probe,
.remove = __devexit_p(ep93xx_spi_remove),
};
static int __init ep93xx_spi_init(void)
{
return platform_driver_probe(&ep93xx_spi_driver, ep93xx_spi_probe);
}
module_init(ep93xx_spi_init);
static void __exit ep93xx_spi_exit(void)
{
platform_driver_unregister(&ep93xx_spi_driver);
}
module_exit(ep93xx_spi_exit);
module_platform_driver(ep93xx_spi_driver);
MODULE_DESCRIPTION("EP93xx SPI Controller driver");
MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");

13
drivers/spi/spi-fsl-espi.c
View file

@ -744,18 +744,7 @@ static struct platform_driver fsl_espi_driver = {
.probe = of_fsl_espi_probe,
.remove = __devexit_p(of_fsl_espi_remove),
};
static int __init fsl_espi_init(void)
{
return platform_driver_register(&fsl_espi_driver);
}
module_init(fsl_espi_init);
static void __exit fsl_espi_exit(void)
{
platform_driver_unregister(&fsl_espi_driver);
}
module_exit(fsl_espi_exit);
module_platform_driver(fsl_espi_driver);
MODULE_AUTHOR("Mingkai Hu");
MODULE_DESCRIPTION("Enhanced Freescale SPI Driver");

21
drivers/spi/spi-gpio.c
View file

@ -311,7 +311,7 @@ spi_gpio_request(struct spi_gpio_platform_data *pdata, const char *label,
return value;
}
static int __init spi_gpio_probe(struct platform_device *pdev)
static int __devinit spi_gpio_probe(struct platform_device *pdev)
{
int status;
struct spi_master *master;
@ -379,7 +379,7 @@ static int __init spi_gpio_probe(struct platform_device *pdev)
return status;
}
static int __exit spi_gpio_remove(struct platform_device *pdev)
static int __devexit spi_gpio_remove(struct platform_device *pdev)
{
struct spi_gpio *spi_gpio;
struct spi_gpio_platform_data *pdata;
@ -408,21 +408,10 @@ MODULE_ALIAS("platform:" DRIVER_NAME);
static struct platform_driver spi_gpio_driver = {
.driver.name = DRIVER_NAME,
.driver.owner = THIS_MODULE,
.remove = __exit_p(spi_gpio_remove),
.probe = spi_gpio_probe,
.remove = __devexit_p(spi_gpio_remove),
};
static int __init spi_gpio_init(void)
{
return platform_driver_probe(&spi_gpio_driver, spi_gpio_probe);
}
module_init(spi_gpio_init);
static void __exit spi_gpio_exit(void)
{
platform_driver_unregister(&spi_gpio_driver);
}
module_exit(spi_gpio_exit);
module_platform_driver(spi_gpio_driver);
MODULE_DESCRIPTION("SPI master driver using generic bitbanged GPIO ");
MODULE_AUTHOR("David Brownell");

14
drivers/spi/spi-imx.c
View file

@ -929,19 +929,7 @@ static struct platform_driver spi_imx_driver = {
.probe = spi_imx_probe,
.remove = __devexit_p(spi_imx_remove),
};
static int __init spi_imx_init(void)
{
return platform_driver_register(&spi_imx_driver);
}
static void __exit spi_imx_exit(void)
{
platform_driver_unregister(&spi_imx_driver);
}
module_init(spi_imx_init);
module_exit(spi_imx_exit);
module_platform_driver(spi_imx_driver);
MODULE_DESCRIPTION("SPI Master Controller driver");
MODULE_AUTHOR("Sascha Hauer, Pengutronix");

13
drivers/spi/spi-mpc512x-psc.c
View file

@ -559,18 +559,7 @@ static struct platform_driver mpc512x_psc_spi_of_driver = {
.of_match_table = mpc512x_psc_spi_of_match,
},
};
static int __init mpc512x_psc_spi_init(void)
{
return platform_driver_register(&mpc512x_psc_spi_of_driver);
}
module_init(mpc512x_psc_spi_init);
static void __exit mpc512x_psc_spi_exit(void)
{
platform_driver_unregister(&mpc512x_psc_spi_of_driver);
}
module_exit(mpc512x_psc_spi_exit);
module_platform_driver(mpc512x_psc_spi_of_driver);
MODULE_AUTHOR("John Rigby");
MODULE_DESCRIPTION("MPC512x PSC SPI Driver");

13
drivers/spi/spi-mpc52xx-psc.c
View file

@ -511,18 +511,7 @@ static struct platform_driver mpc52xx_psc_spi_of_driver = {
.of_match_table = mpc52xx_psc_spi_of_match,
},
};
static int __init mpc52xx_psc_spi_init(void)
{
return platform_driver_register(&mpc52xx_psc_spi_of_driver);
}
module_init(mpc52xx_psc_spi_init);
static void __exit mpc52xx_psc_spi_exit(void)
{
platform_driver_unregister(&mpc52xx_psc_spi_of_driver);
}
module_exit(mpc52xx_psc_spi_exit);
module_platform_driver(mpc52xx_psc_spi_of_driver);
MODULE_AUTHOR("Dragos Carp");
MODULE_DESCRIPTION("MPC52xx PSC SPI Driver");

14
drivers/spi/spi-mpc52xx.c
View file

@ -564,16 +564,4 @@ static struct platform_driver mpc52xx_spi_of_driver = {
.probe = mpc52xx_spi_probe,
.remove = __devexit_p(mpc52xx_spi_remove),
};
static int __init mpc52xx_spi_init(void)
{
return platform_driver_register(&mpc52xx_spi_of_driver);
}
module_init(mpc52xx_spi_init);
static void __exit mpc52xx_spi_exit(void)
{
platform_driver_unregister(&mpc52xx_spi_of_driver);
}
module_exit(mpc52xx_spi_exit);
module_platform_driver(mpc52xx_spi_of_driver);

14
drivers/spi/spi-nuc900.c
View file

@ -484,19 +484,7 @@ static struct platform_driver nuc900_spi_driver = {
.owner = THIS_MODULE,
},
};
static int __init nuc900_spi_init(void)
{
return platform_driver_register(&nuc900_spi_driver);
}
static void __exit nuc900_spi_exit(void)
{
platform_driver_unregister(&nuc900_spi_driver);
}
module_init(nuc900_spi_init);
module_exit(nuc900_spi_exit);
module_platform_driver(nuc900_spi_driver);
MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
MODULE_DESCRIPTION("nuc900 spi driver!");

13
drivers/spi/spi-oc-tiny.c
View file

@ -406,18 +406,7 @@ static struct platform_driver tiny_spi_driver = {
.of_match_table = tiny_spi_match,
},
};
static int __init tiny_spi_init(void)
{
return platform_driver_register(&tiny_spi_driver);
}
module_init(tiny_spi_init);
static void __exit tiny_spi_exit(void)
{
platform_driver_unregister(&tiny_spi_driver);
}
module_exit(tiny_spi_exit);
module_platform_driver(tiny_spi_driver);
MODULE_DESCRIPTION("OpenCores tiny SPI driver");
MODULE_AUTHOR("Thomas Chou <thomas@wytron.com.tw>");

13
drivers/spi/spi-ppc4xx.c
View file

@ -594,18 +594,7 @@ static struct platform_driver spi_ppc4xx_of_driver = {
.of_match_table = spi_ppc4xx_of_match,
},
};
static int __init spi_ppc4xx_init(void)
{
return platform_driver_register(&spi_ppc4xx_of_driver);
}
module_init(spi_ppc4xx_init);
static void __exit spi_ppc4xx_exit(void)
{
platform_driver_unregister(&spi_ppc4xx_of_driver);
}
module_exit(spi_ppc4xx_exit);
module_platform_driver(spi_ppc4xx_of_driver);
MODULE_AUTHOR("Gary Jennejohn & Stefan Roese");
MODULE_DESCRIPTION("Simple PPC4xx SPI Driver");

21
drivers/spi/spi-s3c24xx.c
View file

@ -505,7 +505,7 @@ static void s3c24xx_spi_initialsetup(struct s3c24xx_spi *hw)
}
}
static int __init s3c24xx_spi_probe(struct platform_device *pdev)
static int __devinit s3c24xx_spi_probe(struct platform_device *pdev)
{
struct s3c2410_spi_info *pdata;
struct s3c24xx_spi *hw;
@ -661,7 +661,7 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev)
return err;
}
static int __exit s3c24xx_spi_remove(struct platform_device *dev)
static int __devexit s3c24xx_spi_remove(struct platform_device *dev)
{
struct s3c24xx_spi *hw = platform_get_drvdata(dev);
@ -719,26 +719,15 @@ static const struct dev_pm_ops s3c24xx_spi_pmops = {
MODULE_ALIAS("platform:s3c2410-spi");
static struct platform_driver s3c24xx_spi_driver = {
.remove = __exit_p(s3c24xx_spi_remove),
.probe = s3c24xx_spi_probe,
.remove = __devexit_p(s3c24xx_spi_remove),
.driver = {
.name = "s3c2410-spi",
.owner = THIS_MODULE,
.pm = S3C24XX_SPI_PMOPS,
},
};
static int __init s3c24xx_spi_init(void)
{
return platform_driver_probe(&s3c24xx_spi_driver, s3c24xx_spi_probe);
}
static void __exit s3c24xx_spi_exit(void)
{
platform_driver_unregister(&s3c24xx_spi_driver);
}
module_init(s3c24xx_spi_init);
module_exit(s3c24xx_spi_exit);
module_platform_driver(s3c24xx_spi_driver);
MODULE_DESCRIPTION("S3C24XX SPI Driver");
MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>");

13
drivers/spi/spi-sh-msiof.c
View file

@ -730,18 +730,7 @@ static struct platform_driver sh_msiof_spi_drv = {
.pm = &sh_msiof_spi_dev_pm_ops,
},
};
static int __init sh_msiof_spi_init(void)
{
return platform_driver_register(&sh_msiof_spi_drv);
}
module_init(sh_msiof_spi_init);
static void __exit sh_msiof_spi_exit(void)
{
platform_driver_unregister(&sh_msiof_spi_drv);
}
module_exit(sh_msiof_spi_exit);
module_platform_driver(sh_msiof_spi_drv);
MODULE_DESCRIPTION("SuperH MSIOF SPI Master Interface Driver");
MODULE_AUTHOR("Magnus Damm");

13
drivers/spi/spi-sh-sci.c
View file

@ -186,18 +186,7 @@ static struct platform_driver sh_sci_spi_drv = {
.owner = THIS_MODULE,
},
};
static int __init sh_sci_spi_init(void)
{
return platform_driver_register(&sh_sci_spi_drv);
}
module_init(sh_sci_spi_init);
static void __exit sh_sci_spi_exit(void)
{
platform_driver_unregister(&sh_sci_spi_drv);
}
module_exit(sh_sci_spi_exit);
module_platform_driver(sh_sci_spi_drv);
MODULE_DESCRIPTION("SH SCI SPI Driver");
MODULE_AUTHOR("Magnus Damm <damm@opensource.se>");

13
drivers/spi/spi-sh.c
View file

@ -524,18 +524,7 @@ static struct platform_driver spi_sh_driver = {
.owner = THIS_MODULE,
},
};
static int __init spi_sh_init(void)
{
return platform_driver_register(&spi_sh_driver);
}
module_init(spi_sh_init);
static void __exit spi_sh_exit(void)
{
platform_driver_unregister(&spi_sh_driver);
}
module_exit(spi_sh_exit);
module_platform_driver(spi_sh_driver);
MODULE_DESCRIPTION("SH SPI bus driver");
MODULE_LICENSE("GPL");

13
drivers/spi/spi-stmp.c
View file

@ -659,19 +659,8 @@ static struct platform_driver stmp_spi_driver = {
.suspend = stmp_spi_suspend,
.resume = stmp_spi_resume,
};
module_platform_driver(stmp_spi_driver);
static int __init stmp_spi_init(void)
{
return platform_driver_register(&stmp_spi_driver);
}
static void __exit stmp_spi_exit(void)
{
platform_driver_unregister(&stmp_spi_driver);
}
module_init(stmp_spi_init);
module_exit(stmp_spi_exit);
module_param(pio, int, S_IRUGO);
module_param(clock, int, S_IRUGO);
MODULE_AUTHOR("dmitry pervushin <dpervushin@embeddedalley.com>");

16
drivers/spi/spi-tegra.c
View file

@ -465,7 +465,7 @@ static int spi_tegra_transfer(struct spi_device *spi, struct spi_message *m)
return 0;
}
static int __init spi_tegra_probe(struct platform_device *pdev)
static int __devinit spi_tegra_probe(struct platform_device *pdev)
{
struct spi_master *master;
struct spi_tegra_data *tspi;
@ -613,19 +613,9 @@ static struct platform_driver spi_tegra_driver = {
.owner = THIS_MODULE,
.of_match_table = spi_tegra_of_match_table,
},
.probe = spi_tegra_probe,
.remove = __devexit_p(spi_tegra_remove),
};
static int __init spi_tegra_init(void)
{
return platform_driver_probe(&spi_tegra_driver, spi_tegra_probe);
}
module_init(spi_tegra_init);
static void __exit spi_tegra_exit(void)
{
platform_driver_unregister(&spi_tegra_driver);
}
module_exit(spi_tegra_exit);
module_platform_driver(spi_tegra_driver);
MODULE_LICENSE("GPL");

13
drivers/spi/spi-ti-ssp.c
View file

@ -383,18 +383,7 @@ static struct platform_driver ti_ssp_spi_driver = {
.owner = THIS_MODULE,
},
};
static int __init ti_ssp_spi_init(void)
{
return platform_driver_register(&ti_ssp_spi_driver);
}
module_init(ti_ssp_spi_init);
static void __exit ti_ssp_spi_exit(void)
{
platform_driver_unregister(&ti_ssp_spi_driver);
}
module_exit(ti_ssp_spi_exit);
module_platform_driver(ti_ssp_spi_driver);
MODULE_DESCRIPTION("SSP SPI Master");
MODULE_AUTHOR("Cyril Chemparathy");

13
drivers/spi/spi-xilinx.c
View file

@ -538,18 +538,7 @@ static struct platform_driver xilinx_spi_driver = {
.of_match_table = xilinx_spi_of_match,
},
};
static int __init xilinx_spi_pltfm_init(void)
{
return platform_driver_register(&xilinx_spi_driver);
}
module_init(xilinx_spi_pltfm_init);
static void __exit xilinx_spi_pltfm_exit(void)
{
platform_driver_unregister(&xilinx_spi_driver);
}
module_exit(xilinx_spi_pltfm_exit);
module_platform_driver(xilinx_spi_driver);
MODULE_AUTHOR("MontaVista Software, Inc. <source@mvista.com>");
MODULE_DESCRIPTION("Xilinx SPI driver");

12
drivers/tty/serial/of_serial.c
View file

@ -200,17 +200,7 @@ static struct platform_driver of_platform_serial_driver = {
.remove = of_platform_serial_remove,
};
static int __init of_platform_serial_init(void)
{
return platform_driver_register(&of_platform_serial_driver);
}
module_init(of_platform_serial_init);
static void __exit of_platform_serial_exit(void)
{
return platform_driver_unregister(&of_platform_serial_driver);
};
module_exit(of_platform_serial_exit);
module_platform_driver(of_platform_serial_driver);
MODULE_AUTHOR("Arnd Bergmann <arnd@arndb.de>");
MODULE_LICENSE("GPL");

17
include/linux/platform_device.h
View file

@ -146,6 +146,23 @@ static inline void platform_set_drvdata(struct platform_device *pdev, void *data
dev_set_drvdata(&pdev->dev, data);
}
/* module_platform_driver() - Helper macro for drivers that don't do
* anything special in module init/exit. This eliminates a lot of
* boilerplate. Each module may only use this macro once, and
* calling it replaces module_init() and module_exit()
*/
#define module_platform_driver(__platform_driver) \
static int __init __platform_driver##_init(void) \
{ \
return platform_driver_register(&(__platform_driver)); \
} \
module_init(__platform_driver##_init); \
static void __exit __platform_driver##_exit(void) \
{ \
platform_driver_unregister(&(__platform_driver)); \
} \
module_exit(__platform_driver##_exit);
extern struct platform_device *platform_create_bundle(struct platform_driver *driver,
int (*probe)(struct platform_device *),
struct resource *res, unsigned int n_res,