Messages in this thread Patch in this message | | | From | Andrey Smirnov <> | Subject | [PATCH v6 07/12] thermal: qoriq: Convert driver to use devm_ioremap() | Date | Mon, 17 Jun 2019 09:14:53 -0700 |
| |
Convert driver to use devm_ioremap() to simplify memory deallocation and error handling code. No functional change intended.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org> Tested-by: Lucas Stach <l.stach@pengutronix.de> Cc: Chris Healy <cphealy@gmail.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Eduardo Valentin <edubezval@gmail.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Angus Ainslie (Purism) <angus@akkea.ca> Cc: linux-imx@nxp.com Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/thermal/qoriq_thermal.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c index 62d7a0efb837..80fe9adcc313 100644 --- a/drivers/thermal/qoriq_thermal.c +++ b/drivers/thermal/qoriq_thermal.c @@ -193,6 +193,7 @@ static int qoriq_tmu_probe(struct platform_device *pdev) struct qoriq_tmu_data *data; struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; + struct resource *io; data = devm_kzalloc(dev, sizeof(struct qoriq_tmu_data), GFP_KERNEL); @@ -201,7 +202,13 @@ static int qoriq_tmu_probe(struct platform_device *pdev) data->little_endian = of_property_read_bool(np, "little-endian"); - data->regs = of_iomap(np, 0); + io = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!io) { + dev_err(dev, "Failed to get memory region\n"); + return -ENODEV; + } + + data->regs = devm_ioremap(dev, io->start, resource_size(io)); if (!data->regs) { dev_err(dev, "Failed to get memory region\n"); return -ENODEV; @@ -211,23 +218,17 @@ static int qoriq_tmu_probe(struct platform_device *pdev) ret = qoriq_tmu_calibration(dev, data); /* TMU calibration */ if (ret < 0) - goto err_tmu; + return ret; ret = qoriq_tmu_register_tmu_zone(dev, data); if (ret < 0) { dev_err(dev, "Failed to register sensors\n"); - ret = -ENODEV; - goto err_tmu; + return -ENODEV; } platform_set_drvdata(pdev, data); return 0; - -err_tmu: - iounmap(data->regs); - - return ret; } static int qoriq_tmu_remove(struct platform_device *pdev) @@ -237,7 +238,6 @@ static int qoriq_tmu_remove(struct platform_device *pdev) /* Disable monitoring */ tmu_write(data, TMR_DISABLE, &data->regs->tmr); - iounmap(data->regs); platform_set_drvdata(pdev, NULL); return 0; -- 2.21.0
| |