mfd: da9052-core: Use regmap_irq_get_virq() and fix the probe
On a mx53qsb dt-kernel the da9052-core driver fails to probe as follows: da9052 1-0048: DA9052 ADC IRQ failed ret=-22 The reason for the error was due to passing only the offset as the interrupt number in request_threaded_irq() without da9052->irq_base. The recommended approach though is to use regmap_get_virq() to acquire the interrupt number and this allows to get rid of da9052->irq_base. Fix it and allow the driver to probe successfully. Also provide a few more error logs and change the irq string to "adc-irq", so that it appears as a single word in 'cat /proc/interrupts' Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com> Reviwed-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>
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