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spi: Fixes for v5.10

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A small collection of driver specific fixes that have come in since the
 merge window, nothing too major here but all good to ahve.
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Merge tag 'spi-fix-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A small collection of driver specific fixes that have come in since
  the merge window, nothing too major here but all good to have"

* tag 'spi-fix-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: fsl-dspi: fix wrong pointer in suspend/resume
  spi: bcm2835: fix gpio cs level inversion
  spi: imx: fix runtime pm support for !CONFIG_PM
This commit is contained in:
Linus Torvalds 2020-11-05 11:16:34 -08:00
commit cf26c71487
3 changed files with 19 additions and 26 deletions
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12
drivers/spi/spi-bcm2835.c
View File

@ -1259,18 +1259,6 @@ static int bcm2835_spi_setup(struct spi_device *spi)
if (!chip)
return 0;
/*
* Retrieve the corresponding GPIO line used for CS.
* The inversion semantics will be handled by the GPIO core
* code, so we pass GPIOD_OUT_LOW for "unasserted" and
* the correct flag for inversion semantics. The SPI_CS_HIGH
* on spi->mode cannot be checked for polarity in this case
* as the flag use_gpio_descriptors enforces SPI_CS_HIGH.
*/
if (of_property_read_bool(spi->dev.of_node, "spi-cs-high"))
lflags = GPIO_ACTIVE_HIGH;
else
lflags = GPIO_ACTIVE_LOW;
spi->cs_gpiod = gpiochip_request_own_desc(chip, 8 - spi->chip_select,
DRV_NAME,
lflags,

10
drivers/spi/spi-fsl-dspi.c
View File

@ -1080,12 +1080,11 @@ MODULE_DEVICE_TABLE(of, fsl_dspi_dt_ids);
#ifdef CONFIG_PM_SLEEP
static int dspi_suspend(struct device *dev)
{
struct spi_controller *ctlr = dev_get_drvdata(dev);
struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
struct fsl_dspi *dspi = dev_get_drvdata(dev);
if (dspi->irq)
disable_irq(dspi->irq);
spi_controller_suspend(ctlr);
spi_controller_suspend(dspi->ctlr);
clk_disable_unprepare(dspi->clk);
pinctrl_pm_select_sleep_state(dev);
@ -1095,8 +1094,7 @@ static int dspi_suspend(struct device *dev)
static int dspi_resume(struct device *dev)
{
struct spi_controller *ctlr = dev_get_drvdata(dev);
struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
struct fsl_dspi *dspi = dev_get_drvdata(dev);
int ret;
pinctrl_pm_select_default_state(dev);
@ -1104,7 +1102,7 @@ static int dspi_resume(struct device *dev)
ret = clk_prepare_enable(dspi->clk);
if (ret)
return ret;
spi_controller_resume(ctlr);
spi_controller_resume(dspi->ctlr);
if (dspi->irq)
enable_irq(dspi->irq);

23
drivers/spi/spi-imx.c
View File

@ -1676,15 +1676,18 @@ static int spi_imx_probe(struct platform_device *pdev)
goto out_master_put;
}
pm_runtime_enable(spi_imx->dev);
ret = clk_prepare_enable(spi_imx->clk_per);
if (ret)
goto out_master_put;
ret = clk_prepare_enable(spi_imx->clk_ipg);
if (ret)
goto out_put_per;
pm_runtime_set_autosuspend_delay(spi_imx->dev, MXC_RPM_TIMEOUT);
pm_runtime_use_autosuspend(spi_imx->dev);
ret = pm_runtime_get_sync(spi_imx->dev);
if (ret < 0) {
dev_err(spi_imx->dev, "failed to enable clock\n");
goto out_runtime_pm_put;
}
pm_runtime_set_active(spi_imx->dev);
pm_runtime_enable(spi_imx->dev);
spi_imx->spi_clk = clk_get_rate(spi_imx->clk_per);
/*
@ -1722,8 +1725,12 @@ static int spi_imx_probe(struct platform_device *pdev)
spi_imx_sdma_exit(spi_imx);
out_runtime_pm_put:
pm_runtime_dont_use_autosuspend(spi_imx->dev);
pm_runtime_put_sync(spi_imx->dev);
pm_runtime_set_suspended(&pdev->dev);
pm_runtime_disable(spi_imx->dev);
clk_disable_unprepare(spi_imx->clk_ipg);
out_put_per:
clk_disable_unprepare(spi_imx->clk_per);
out_master_put:
spi_master_put(master);