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Merge branch 'spi-4.20' into spi-next

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This commit is contained in:
Mark Brown 2018-10-21 17:00:14 +01:00
commit 4b51c747e4
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GPG key ID: 24D68B725D5487D0
53 changed files with 3941 additions and 396 deletions
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12
drivers/spi/spi-gpio.c
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@ -295,9 +295,11 @@ static int spi_gpio_request(struct device *dev,
spi_gpio->miso = devm_gpiod_get_optional(dev, "miso", GPIOD_IN);
if (IS_ERR(spi_gpio->miso))
return PTR_ERR(spi_gpio->miso);
if (!spi_gpio->miso)
/* HW configuration without MISO pin */
*mflags |= SPI_MASTER_NO_RX;
/*
* No setting SPI_MASTER_NO_RX here - if there is only a MOSI
* pin connected the host can still do RX by changing the
* direction of the line.
*/
spi_gpio->sck = devm_gpiod_get(dev, "sck", GPIOD_OUT_LOW);
if (IS_ERR(spi_gpio->sck))
@ -423,7 +425,7 @@ static int spi_gpio_probe(struct platform_device *pdev)
spi_gpio->bitbang.chipselect = spi_gpio_chipselect;
spi_gpio->bitbang.set_line_direction = spi_gpio_set_direction;
if ((master_flags & (SPI_MASTER_NO_TX | SPI_MASTER_NO_RX)) == 0) {
if ((master_flags & SPI_MASTER_NO_TX) == 0) {
spi_gpio->bitbang.txrx_word[SPI_MODE_0] = spi_gpio_txrx_word_mode0;
spi_gpio->bitbang.txrx_word[SPI_MODE_1] = spi_gpio_txrx_word_mode1;
spi_gpio->bitbang.txrx_word[SPI_MODE_2] = spi_gpio_txrx_word_mode2;
@ -447,10 +449,8 @@ static int spi_gpio_probe(struct platform_device *pdev)
static int spi_gpio_remove(struct platform_device *pdev)
{
struct spi_gpio *spi_gpio;
struct spi_gpio_platform_data *pdata;
spi_gpio = platform_get_drvdata(pdev);
pdata = dev_get_platdata(&pdev->dev);
/* stop() unregisters child devices too */
spi_bitbang_stop(&spi_gpio->bitbang);