From: "Álvaro Fernández Rojas" <noltari@gmail.com> To: jonas.gorski@gmail.com, Mark Brown <broonie@kernel.org>, Florian Fainelli <f.fainelli@gmail.com>, bcm-kernel-feedback-list@broadcom.com, linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: "Álvaro Fernández Rojas" <noltari@gmail.com> Subject: [PATCH 2/2] spi: bcm63xx-hsspi: fix pm_runtime Date: Tue, 23 Feb 2021 16:18:51 +0100 [thread overview] Message-ID: <20210223151851.4110-3-noltari@gmail.com> (raw) In-Reply-To: <20210223151851.4110-1-noltari@gmail.com> The driver sets auto_runtime_pm to true, but it doesn't call pm_runtime_enable(), which results in "Failed to power device" when PM support is enabled. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> --- drivers/spi/spi-bcm63xx-hsspi.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c index 1f08d7553f07..b871fd810d80 100644 --- a/drivers/spi/spi-bcm63xx-hsspi.c +++ b/drivers/spi/spi-bcm63xx-hsspi.c @@ -21,6 +21,7 @@ #include <linux/mutex.h> #include <linux/of.h> #include <linux/reset.h> +#include <linux/pm_runtime.h> #define HSSPI_GLOBAL_CTRL_REG 0x0 #define GLOBAL_CTRL_CS_POLARITY_SHIFT 0 @@ -439,13 +440,17 @@ static int bcm63xx_hsspi_probe(struct platform_device *pdev) if (ret) goto out_put_master; + pm_runtime_enable(&pdev->dev); + /* register and we are done */ ret = devm_spi_register_master(dev, master); if (ret) - goto out_put_master; + goto out_pm_disable; return 0; +out_pm_disable: + pm_runtime_disable(&pdev->dev); out_put_master: spi_master_put(master); out_disable_pll_clk: -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: "Álvaro Fernández Rojas" <noltari@gmail.com> To: jonas.gorski@gmail.com, Mark Brown <broonie@kernel.org>, Florian Fainelli <f.fainelli@gmail.com>, bcm-kernel-feedback-list@broadcom.com, linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: "Álvaro Fernández Rojas" <noltari@gmail.com> Subject: [PATCH 2/2] spi: bcm63xx-hsspi: fix pm_runtime Date: Tue, 23 Feb 2021 16:18:51 +0100 [thread overview] Message-ID: <20210223151851.4110-3-noltari@gmail.com> (raw) In-Reply-To: <20210223151851.4110-1-noltari@gmail.com> The driver sets auto_runtime_pm to true, but it doesn't call pm_runtime_enable(), which results in "Failed to power device" when PM support is enabled. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> --- drivers/spi/spi-bcm63xx-hsspi.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c index 1f08d7553f07..b871fd810d80 100644 --- a/drivers/spi/spi-bcm63xx-hsspi.c +++ b/drivers/spi/spi-bcm63xx-hsspi.c @@ -21,6 +21,7 @@ #include <linux/mutex.h> #include <linux/of.h> #include <linux/reset.h> +#include <linux/pm_runtime.h> #define HSSPI_GLOBAL_CTRL_REG 0x0 #define GLOBAL_CTRL_CS_POLARITY_SHIFT 0 @@ -439,13 +440,17 @@ static int bcm63xx_hsspi_probe(struct platform_device *pdev) if (ret) goto out_put_master; + pm_runtime_enable(&pdev->dev); + /* register and we are done */ ret = devm_spi_register_master(dev, master); if (ret) - goto out_put_master; + goto out_pm_disable; return 0; +out_pm_disable: + pm_runtime_disable(&pdev->dev); out_put_master: spi_master_put(master); out_disable_pll_clk: -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-02-23 15:20 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-23 15:18 [PATCH 0/2] spi: bcm63xx: fix pm_runtime Álvaro Fernández Rojas 2021-02-23 15:18 ` Álvaro Fernández Rojas 2021-02-23 15:18 ` [PATCH 1/2] spi: bcm63xx-spi: " Álvaro Fernández Rojas 2021-02-23 15:18 ` Álvaro Fernández Rojas 2021-02-23 15:18 ` Álvaro Fernández Rojas [this message] 2021-02-23 15:18 ` [PATCH 2/2] spi: bcm63xx-hsspi: " Álvaro Fernández Rojas 2021-02-24 16:58 ` [PATCH 0/2] spi: bcm63xx: " Mark Brown
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