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author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-08-29 19:47:33 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-08-29 19:47:33 +0300 |
commit | 3b6bf5b1f8e3d17d7566027cdc5a8262991eb5bc (patch) | |
tree | f7f0a078a25831ffd16b46588a47ca135662231f /drivers/spi/spi-stm32.c | |
parent | 65234f96f2570a6e4bb9649fff4f7c17b1e43508 (diff) | |
parent | 60ea3db33fbddf559e18567ca8897f6bb9f25290 (diff) | |
download | linux-3b6bf5b1f8e3d17d7566027cdc5a8262991eb5bc.tar.xz |
Merge tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"There's been quite a lot of generic activity here, but more
administrative than featuers. We also have a bunch of new drivers,
including one that's part of a MFD so we pulled in the core parts of
that:
- Lots of work from both Yang Yingliang and Andy Shevchenko on moving
to host/device/controller based terminology for devices.
- QuadSPI SPI support for Allwinner sun6i.
- New device support Cirrus Logic CS43L43, Longsoon, Qualcomm GENI
QuPv3 and StarFive JH7110 QSPI"
* tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (151 commits)
spi: at91-usart: Use PTR_ERR_OR_ZERO() to simplify code
spi: spi-sn-f-ospi: switch to use modern name
spi: sifive: switch to use modern name
spi: sh: switch to use modern name
spi: sh-sci: switch to use modern name
spi: sh-msiof: switch to use modern name
spi: sh-hspi: switch to use modern name
spi: sc18is602: switch to use modern name
spi: s3c64xx: switch to use modern name
spi: rzv2m-csi: switch to use devm_spi_alloc_host()
spi: rspi: switch to use spi_alloc_host()
spi: rockchip: switch to use modern name
spi: rockchip-sfc: switch to use modern name
spi: realtek-rtl: switch to use devm_spi_alloc_host()
spi: rb4xx: switch to use modern name
spi: qup: switch to use modern name
spi: spi-qcom-qspi: switch to use modern name
spi: pxa2xx: switch to use modern name
spi: ppc4xx: switch to use modern name
spi: spl022: switch to use modern name
...
Diffstat (limited to 'drivers/spi/spi-stm32.c')
-rw-r--r-- | drivers/spi/spi-stm32.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 7ddf9db776b0..b6d66caba4c0 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -238,6 +238,7 @@ struct stm32_spi; * @baud_rate_div_min: minimum baud rate divisor * @baud_rate_div_max: maximum baud rate divisor * @has_fifo: boolean to know if fifo is used for driver + * @has_device_mode: is this compatible capable to switch on device mode * @flags: compatible specific SPI controller flags used at registration time */ struct stm32_spi_cfg { @@ -259,6 +260,7 @@ struct stm32_spi_cfg { unsigned int baud_rate_div_min; unsigned int baud_rate_div_max; bool has_fifo; + bool has_device_mode; u16 flags; }; @@ -1750,7 +1752,8 @@ static const struct stm32_spi_cfg stm32f4_spi_cfg = { .baud_rate_div_min = STM32F4_SPI_BR_DIV_MIN, .baud_rate_div_max = STM32F4_SPI_BR_DIV_MAX, .has_fifo = false, - .flags = SPI_MASTER_MUST_TX, + .has_device_mode = false, + .flags = SPI_CONTROLLER_MUST_TX, }; static const struct stm32_spi_cfg stm32h7_spi_cfg = { @@ -1774,6 +1777,7 @@ static const struct stm32_spi_cfg stm32h7_spi_cfg = { .baud_rate_div_min = STM32H7_SPI_MBR_DIV_MIN, .baud_rate_div_max = STM32H7_SPI_MBR_DIV_MAX, .has_fifo = true, + .has_device_mode = true, }; static const struct of_device_id stm32_spi_of_match[] = { @@ -1798,8 +1802,13 @@ static int stm32_spi_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; bool device_mode; int ret; + const struct stm32_spi_cfg *cfg = of_device_get_match_data(&pdev->dev); device_mode = of_property_read_bool(np, "spi-slave"); + if (!cfg->has_device_mode && device_mode) { + dev_err(&pdev->dev, "spi-slave not supported\n"); + return -EPERM; + } if (device_mode) ctrl = devm_spi_alloc_slave(&pdev->dev, sizeof(struct stm32_spi)); @@ -1817,9 +1826,7 @@ static int stm32_spi_probe(struct platform_device *pdev) spi->device_mode = device_mode; spin_lock_init(&spi->lock); - spi->cfg = (const struct stm32_spi_cfg *) - of_match_device(pdev->dev.driver->of_match_table, - &pdev->dev)->data; + spi->cfg = cfg; spi->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(spi->base)) @@ -1829,8 +1836,7 @@ static int stm32_spi_probe(struct platform_device *pdev) spi->irq = platform_get_irq(pdev, 0); if (spi->irq <= 0) - return dev_err_probe(&pdev->dev, spi->irq, - "failed to get irq\n"); + return spi->irq; ret = devm_request_threaded_irq(&pdev->dev, spi->irq, spi->cfg->irq_handler_event, |