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spi: Fixes for v6.12

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A small set of driver specific fixes that came in since the merge
 window, about half of which is fixes for correctness in the use of the
 runtime PM APIs done as part of a broader cleanup.
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Merge tag 'spi-fix-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A small set of driver specific fixes that came in since the merge
  window, about half of which is fixes for correctness in the use of the
  runtime PM APIs done as part of a broader cleanup"

* tag 'spi-fix-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: s3c64xx: fix timeout counters in flush_fifo
  spi: atmel-quadspi: Fix wrong register value written to MR
  spi: spi-cadence: Fix missing spi_controller_is_target() check
  spi: spi-cadence: Fix pm_runtime_set_suspended() with runtime pm enabled
  spi: spi-imx: Fix pm_runtime_set_suspended() with runtime pm enabled
This commit is contained in:
Linus Torvalds 2024-10-05 10:25:04 -07:00
commit 60b9f47eb3
4 changed files with 9 additions and 7 deletions
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2
drivers/spi/atmel-quadspi.c
View File

@ -377,7 +377,7 @@ static int atmel_qspi_set_cfg(struct atmel_qspi *aq,
*/
if (!(aq->mr & QSPI_MR_SMM)) {
aq->mr |= QSPI_MR_SMM;
atmel_qspi_write(aq->scr, aq, QSPI_MR);
atmel_qspi_write(aq->mr, aq, QSPI_MR);
}
/* Clear pending interrupts */

8
drivers/spi/spi-cadence.c
View File

@ -678,8 +678,8 @@ static int cdns_spi_probe(struct platform_device *pdev)
clk_dis_all:
if (!spi_controller_is_target(ctlr)) {
pm_runtime_set_suspended(&pdev->dev);
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
}
remove_ctlr:
spi_controller_put(ctlr);
@ -701,8 +701,10 @@ static void cdns_spi_remove(struct platform_device *pdev)
cdns_spi_write(xspi, CDNS_SPI_ER, CDNS_SPI_ER_DISABLE);
pm_runtime_set_suspended(&pdev->dev);
pm_runtime_disable(&pdev->dev);
if (!spi_controller_is_target(ctlr)) {
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
}
spi_unregister_controller(ctlr);
}

2
drivers/spi/spi-imx.c
View File

@ -1865,8 +1865,8 @@ out_register_controller:
spi_imx_sdma_exit(spi_imx);
out_runtime_pm_put:
pm_runtime_dont_use_autosuspend(spi_imx->dev);
pm_runtime_set_suspended(&pdev->dev);
pm_runtime_disable(spi_imx->dev);
pm_runtime_set_suspended(&pdev->dev);
clk_disable_unprepare(spi_imx->clk_ipg);
out_put_per:

4
drivers/spi/spi-s3c64xx.c
View File

@ -245,7 +245,7 @@ static void s3c64xx_flush_fifo(struct s3c64xx_spi_driver_data *sdd)
loops = msecs_to_loops(1);
do {
val = readl(regs + S3C64XX_SPI_STATUS);
} while (TX_FIFO_LVL(val, sdd) && loops--);
} while (TX_FIFO_LVL(val, sdd) && --loops);
if (loops == 0)
dev_warn(&sdd->pdev->dev, "Timed out flushing TX FIFO\n");
@ -258,7 +258,7 @@ static void s3c64xx_flush_fifo(struct s3c64xx_spi_driver_data *sdd)
readl(regs + S3C64XX_SPI_RX_DATA);
else
break;
} while (loops--);
} while (--loops);
if (loops == 0)
dev_warn(&sdd->pdev->dev, "Timed out flushing RX FIFO\n");