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iio: adc: at91: cleanup platform_data

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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>
This commit is contained in:
Alexandre Belloni
2014-04-15 12:27:58 +02:00
committed by Nicolas Ferre
parent acc8b8e107
commit 2de0c019f3
2 changed files with 19 additions and 23 deletions
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23
include/linux/platform_data/at91_adc.h
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@@ -7,25 +7,6 @@
#ifndef _AT91_ADC_H_
#define _AT91_ADC_H_
/**
* struct at91_adc_reg_desc - Various informations relative to registers
* @channel_base: Base offset for the channel data registers
* @drdy_mask: Mask of the DRDY field in the relevant registers
(Interruptions registers mostly)
* @status_register: Offset of the Interrupt Status Register
* @trigger_register: Offset of the Trigger setup register
* @mr_prescal_mask: Mask of the PRESCAL field in the adc MR register
* @mr_startup_mask: Mask of the STARTUP field in the adc MR register
*/
struct at91_adc_reg_desc {
u8 channel_base;
u32 drdy_mask;
u8 status_register;
u8 trigger_register;
u32 mr_prescal_mask;
u32 mr_startup_mask;
};
/**
* struct at91_adc_trigger - description of triggers
* @name: name of the trigger advertised to the user
@@ -42,8 +23,6 @@ struct at91_adc_trigger {
/**
* struct at91_adc_data - platform data for ADC driver
* @channels_used: channels in use on the board as a bitmask
* @num_channels: global number of channels available on the board
* @registers: Registers definition on the board
* @startup_time: startup time of the ADC in microseconds
* @trigger_list: Triggers available in the ADC
* @trigger_number: Number of triggers available in the ADC
@@ -52,8 +31,6 @@ struct at91_adc_trigger {
*/
struct at91_adc_data {
unsigned long channels_used;
u8 num_channels;
struct at91_adc_reg_desc *registers;
u8 startup_time;
struct at91_adc_trigger *trigger_list;
u8 trigger_number;