From 67d4a70faa662df07451e83db1546d3ca0695e08 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Mon, 23 Sep 2024 12:00:14 +0800 Subject: spi: spi-cadence: Fix pm_runtime_set_suspended() with runtime pm enabled It is not valid to call pm_runtime_set_suspended() for devices with runtime PM enabled because it returns -EAGAIN if it is enabled already and working. So, call pm_runtime_disable() before to fix it. Fixes: d36ccd9f7ea4 ("spi: cadence: Runtime pm adaptation") Signed-off-by: Jinjie Ruan Link: https://patch.msgid.link/20240923040015.3009329-3-ruanjinjie@huawei.com Signed-off-by: Mark Brown --- drivers/spi/spi-cadence.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/spi/spi-cadence.c') diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index e07e081de5ea..087e748d9cc9 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -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 +701,8 @@ 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); + pm_runtime_set_suspended(&pdev->dev); spi_unregister_controller(ctlr); } -- cgit v1.2.3 From 3eae4a916fc0eb6f85b5d399e10335dbd24dd765 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Mon, 23 Sep 2024 12:00:15 +0800 Subject: spi: spi-cadence: Fix missing spi_controller_is_target() check The spi_controller_is_target() check is missing for pm_runtime_disable() in cdns_spi_remove(), add it. Fixes: b1b90514eaa3 ("spi: spi-cadence: Add support for Slave mode") Signed-off-by: Jinjie Ruan Link: https://patch.msgid.link/20240923040015.3009329-4-ruanjinjie@huawei.com Signed-off-by: Mark Brown --- drivers/spi/spi-cadence.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/spi/spi-cadence.c') diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index 087e748d9cc9..3c87d2bf786a 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -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_disable(&pdev->dev); - pm_runtime_set_suspended(&pdev->dev); + if (!spi_controller_is_target(ctlr)) { + pm_runtime_disable(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); + } spi_unregister_controller(ctlr); } -- cgit v1.2.3