iio: adc: at91: cleanup platform_data
num_channels and registers are not used anymore since they are defined inside the driver and assigned by matching the id_table. Also, struct at91_adc_reg_desc is now only used inside the driver. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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@ -46,6 +46,25 @@
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#define TOUCH_SAMPLE_PERIOD_US 2000 /* 2ms */
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#define TOUCH_PEN_DETECT_DEBOUNCE_US 200
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/**
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* struct at91_adc_reg_desc - Various informations relative to registers
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* @channel_base: Base offset for the channel data registers
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* @drdy_mask: Mask of the DRDY field in the relevant registers
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(Interruptions registers mostly)
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* @status_register: Offset of the Interrupt Status Register
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* @trigger_register: Offset of the Trigger setup register
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* @mr_prescal_mask: Mask of the PRESCAL field in the adc MR register
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* @mr_startup_mask: Mask of the STARTUP field in the adc MR register
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*/
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struct at91_adc_reg_desc {
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u8 channel_base;
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u32 drdy_mask;
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u8 status_register;
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u8 trigger_register;
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u32 mr_prescal_mask;
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u32 mr_startup_mask;
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};
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struct at91_adc_caps {
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bool has_ts; /* Support touch screen */
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bool has_tsmr; /* only at91sam9x5, sama5d3 have TSMR reg */
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@ -7,25 +7,6 @@
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#ifndef _AT91_ADC_H_
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#define _AT91_ADC_H_
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/**
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* struct at91_adc_reg_desc - Various informations relative to registers
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* @channel_base: Base offset for the channel data registers
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* @drdy_mask: Mask of the DRDY field in the relevant registers
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(Interruptions registers mostly)
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* @status_register: Offset of the Interrupt Status Register
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* @trigger_register: Offset of the Trigger setup register
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* @mr_prescal_mask: Mask of the PRESCAL field in the adc MR register
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* @mr_startup_mask: Mask of the STARTUP field in the adc MR register
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*/
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struct at91_adc_reg_desc {
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u8 channel_base;
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u32 drdy_mask;
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u8 status_register;
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u8 trigger_register;
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u32 mr_prescal_mask;
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u32 mr_startup_mask;
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};
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/**
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* struct at91_adc_trigger - description of triggers
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* @name: name of the trigger advertised to the user
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@ -42,8 +23,6 @@ struct at91_adc_trigger {
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/**
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* struct at91_adc_data - platform data for ADC driver
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* @channels_used: channels in use on the board as a bitmask
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* @num_channels: global number of channels available on the board
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* @registers: Registers definition on the board
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* @startup_time: startup time of the ADC in microseconds
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* @trigger_list: Triggers available in the ADC
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* @trigger_number: Number of triggers available in the ADC
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@ -52,8 +31,6 @@ struct at91_adc_trigger {
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*/
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struct at91_adc_data {
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unsigned long channels_used;
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u8 num_channels;
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struct at91_adc_reg_desc *registers;
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u8 startup_time;
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struct at91_adc_trigger *trigger_list;
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u8 trigger_number;
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