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path: root/drivers/mfd/jz4740-adc.c
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* mfd: Don't declare jz4740_adc_cells constAxel Lin2012-01-08
| | | | | | | | | | | | | | | Remove the const keyword to fix below warning: CC drivers/mfd/jz4740-adc.o drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_probe': drivers/mfd/jz4740-adc.c:290: warning: passing argument 3 of 'mfd_add_devices' discards qualifiers from pointer target type include/linux/mfd/core.h:93: note: expected 'struct mfd_cell *' but argument is of type 'const struct mfd_cell *' Also make jz4740_adc_cells static, is not used outside this driver so no need to make the symbol global. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Convert MFD drivers to use module_platform_driverMark Brown2012-01-08
| | | | | | | | | Factors out some boilerplate code for drivers doing the default thing for platform driver registration. Drivers using platform_driver_probe or an initcall other than module_init can't be converted. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Include linux/io.h to jz4740-adcAxel Lin2011-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | Include linux/io.h to fix below build error: CC drivers/mfd/jz4740-adc.o drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_irq_demux': drivers/mfd/jz4740-adc.c:73: error: implicit declaration of function 'readb' drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_set_enabled': drivers/mfd/jz4740-adc.c:110: error: implicit declaration of function 'writeb' drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_set_config': drivers/mfd/jz4740-adc.c:146: error: implicit declaration of function 'readl' drivers/mfd/jz4740-adc.c:151: error: implicit declaration of function 'writel' drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_probe': drivers/mfd/jz4740-adc.c:249: error: implicit declaration of function 'ioremap_nocache' drivers/mfd/jz4740-adc.c:249: warning: assignment makes pointer from integer without a cast drivers/mfd/jz4740-adc.c:289: warning: passing argument 3 of 'mfd_add_devices' discards qualifiers from pointer target type include/linux/mfd/core.h:93: note: expected 'struct mfd_cell *' but argument is of type 'const struct mfd_cell *' drivers/mfd/jz4740-adc.c:299: error: implicit declaration of function 'iounmap' make[2]: *** [drivers/mfd/jz4740-adc.o] Error 1 make[1]: *** [drivers/mfd] Error 2 make: *** [drivers] Error 2 Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Make jz4740_adc_driver staticLars-Peter Clausen2011-10-24
| | | | | Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Fix generic irq chip ack function name for jz4740-adcLars-Peter Clausen2011-09-21
| | | | | | | | | In commit 659fb32d1b6("genirq: replace irq_gc_ack() with {set,clr}_bit variants"), irq_gc_ack was renamed to irq_gc_ack_set_bit. The jz4740-adc driver still uses the old name which results in a compile error. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Use generic irq chip for jz4740-adcLars-Peter Clausen2011-07-31
| | | | | | | | | Use the generic irq chip framework for implementing the irq chip for the jz4740-adc driver. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Cleanup irq namespaceThomas Gleixner2011-03-26
| | | | | | | | Converted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: mfd_cell is now implicitly available to jz4740 driversAndres Salomon2011-03-23
| | | | | | | | | | | No need to explicitly set the cell's platform_data/data_size. Modify clients to use mfd_get_cell helper function instead of accessing platform_data directly. Signed-off-by: Andres Salomon <dilinger@queued.net> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Convert jz4740-adc to new irq_ methodsMark Brown2011-01-14
| | | | | | | | | | Convert the jz4740-adc driver to use the recently introduced IRQ API variants which are passed struct irq_data rather than an IRQ number. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Fix jz4740_adc_set_enabledAxel Lin2010-10-28
| | | | | | | | When enabled is false, clear BIT(engine) of JZ_REG_ADC_ENABLE register. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Check jz4740-adc kmalloc() resultAxel Lin2010-08-12
| | | | | | | If kmalloc() fails exit with -ENOMEM. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Fix jz4740-adc resource reclaim in probe error pathAxel Lin2010-08-12
| | | | | | | If mfd_add_devices() fail, we need to relese allocated resources. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Add JZ4740 ADC driverLars-Peter Clausen2010-08-12
This patch adds a MFD driver for the JZ4740 ADC unit. The driver is used to demultiplex IRQs and synchronize access to shared registers between the battery, hwmon and (future) touchscreen driver. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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