gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free

The implementation of lp3943_gpio_request/lp3943_gpio_free test pin_used
for tracing the pin usage. However, gpiolib already checks FLAG_REQUESTED
flag for the same purpose. So remove the redundant implementation.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Axel Lin
2016-02-29 21:08:19 +08:00
committed by Linus Walleij
parent fa283db76f
commit 3fab91ea28
2 changed files with 0 additions and 28 deletions

View File

@@ -94,18 +94,12 @@ struct lp3943_reg_cfg {
* @regmap: Used for I2C communication on accessing registers
* @pdata: LP3943 platform specific data
* @mux_cfg: Register configuration for pin MUX
* @pin_used: Bit mask for output pin used.
* This bitmask is used for pin assignment management.
* 1 = pin used, 0 = available.
* Only LSB 16 bits are used, but it is unsigned long type
* for atomic bitwise operations.
*/
struct lp3943 {
struct device *dev;
struct regmap *regmap;
struct lp3943_platform_data *pdata;
const struct lp3943_reg_cfg *mux_cfg;
unsigned long pin_used;
};
int lp3943_read_byte(struct lp3943 *lp3943, u8 reg, u8 *read);