diff options
| author |   Phil Reid <preid@electromag.com.au> | 2017-11-02 10:40:28 +0800 |
|---|---|---|
| committer |   Wolfram Sang <wsa@the-dreams.de> | 2017-11-27 18:39:45 +0100 |
| commit | ad36a27959cabb27dfde35ff103d03b22f6ddb36 (patch) | |
| tree | ca0f69f3c6aa5d07a427d7fd180a5c565f4d3efb /drivers/i2c | |
| parent | i2c: designware: add i2c gpio recovery option (diff) | |
| download | linux-dev-ad36a27959cabb27dfde35ff103d03b22f6ddb36.tar.xz linux-dev-ad36a27959cabb27dfde35ff103d03b22f6ddb36.zip | |
i2c: imx: switch to using gpiod for bus recovery gpios
Change the driver to use the gpio descriptors for the bus recovery
information instead of the deprecated integer interface.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-imx.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index f96830ffd9f1..c4cf26571b66 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -1006,26 +1006,26 @@ static int i2c_imx_init_recovery_info(struct imx_i2c_struct *i2c_imx, PINCTRL_STATE_DEFAULT); i2c_imx->pinctrl_pins_gpio = pinctrl_lookup_state(i2c_imx->pinctrl, "gpio"); - rinfo->sda_gpio = of_get_named_gpio(pdev->dev.of_node, "sda-gpios", 0); - rinfo->scl_gpio = of_get_named_gpio(pdev->dev.of_node, "scl-gpios", 0); + rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", GPIOD_OUT_HIGH); + rinfo->scl_gpiod = devm_gpiod_get(&pdev->dev, "scl", GPIOD_IN); - if (rinfo->sda_gpio == -EPROBE_DEFER || - rinfo->scl_gpio == -EPROBE_DEFER) { + if (PTR_ERR(rinfo->sda_gpiod) == -EPROBE_DEFER || + PTR_ERR(rinfo->scl_gpiod) == -EPROBE_DEFER) { return -EPROBE_DEFER; - } else if (!gpio_is_valid(rinfo->sda_gpio) || - !gpio_is_valid(rinfo->scl_gpio) || + } else if (IS_ERR(rinfo->sda_gpiod) || + IS_ERR(rinfo->scl_gpiod) || IS_ERR(i2c_imx->pinctrl_pins_default) || IS_ERR(i2c_imx->pinctrl_pins_gpio)) { dev_dbg(&pdev->dev, "recovery information incomplete\n"); return 0; } - dev_dbg(&pdev->dev, "using scl-gpio %d and sda-gpio %d for recovery\n", - rinfo->scl_gpio, rinfo->sda_gpio); + dev_dbg(&pdev->dev, "using scl%s for recovery\n", + rinfo->sda_gpiod ? ",sda" : ""); rinfo->prepare_recovery = i2c_imx_prepare_recovery; rinfo->unprepare_recovery = i2c_imx_unprepare_recovery; - rinfo->recover_bus = i2c_generic_gpio_recovery; + rinfo->recover_bus = i2c_generic_scl_recovery; i2c_imx->adapter.bus_recovery_info = rinfo; return 0; |