diff options
| author | Charles Keepax <ckeepax@opensource.cirrus.com> | 2024-02-02 13:34:30 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-02-02 16:14:00 +0300 |
| commit | 1e942b5bb18e8a9709a5cb5293b15dd54ed79f98 (patch) | |
| tree | 2186c2e7f9441df9fd921f5a1e8167792ce035c3 /drivers/spi | |
| parent | e6c5812dc4d0b3e890608cb9c98597d1bed7e937 (diff) | |
| download | linux-1e942b5bb18e8a9709a5cb5293b15dd54ed79f98.tar.xz | |
spi: cs42l43: Clean up of firmware node
As we get a child node in the OF case, we should also clean up the
reference, add code to do so.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://msgid.link/r/20240202103430.951598-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-cs42l43.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/spi/spi-cs42l43.c b/drivers/spi/spi-cs42l43.c index b24190526ce9..d45d9e2e1611 100644 --- a/drivers/spi/spi-cs42l43.c +++ b/drivers/spi/spi-cs42l43.c @@ -202,6 +202,11 @@ static size_t cs42l43_spi_max_length(struct spi_device *spi) return CS42L43_SPI_MAX_LENGTH; } +static void cs42l43_release_of_node(void *data) +{ + fwnode_handle_put(data); +} + static int cs42l43_spi_probe(struct platform_device *pdev) { struct cs42l43 *cs42l43 = dev_get_drvdata(pdev->dev.parent); @@ -228,12 +233,6 @@ static int cs42l43_spi_probe(struct platform_device *pdev) priv->ctlr->transfer_one = cs42l43_transfer_one; priv->ctlr->set_cs = cs42l43_set_cs; priv->ctlr->max_transfer_size = cs42l43_spi_max_length; - - if (is_of_node(fwnode)) - fwnode = fwnode_get_named_child_node(fwnode, "spi"); - - device_set_node(&priv->ctlr->dev, fwnode); - priv->ctlr->mode_bits = SPI_3WIRE | SPI_MODE_X_MASK; priv->ctlr->flags = SPI_CONTROLLER_HALF_DUPLEX; priv->ctlr->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16) | @@ -257,6 +256,17 @@ static int cs42l43_spi_probe(struct platform_device *pdev) regmap_write(priv->regmap, CS42L43_SPI_CONFIG3, 0); regmap_write(priv->regmap, CS42L43_SPI_CONFIG4, CS42L43_SPI_STALL_ENA_MASK); + if (is_of_node(fwnode)) { + fwnode = fwnode_get_named_child_node(fwnode, "spi"); + ret = devm_add_action(priv->dev, cs42l43_release_of_node, fwnode); + if (ret) { + fwnode_handle_put(fwnode); + return ret; + } + } + + device_set_node(&priv->ctlr->dev, fwnode); + ret = devm_spi_register_controller(priv->dev, priv->ctlr); if (ret) { dev_err(priv->dev, "Failed to register SPI controller: %d\n", ret); |