Messages in this thread | | | Subject | Re: [PATCH v3 08/13] thermal: qoriq: Convert driver to use devm_ioremap() | From | Daniel Lezcano <> | Date | Thu, 4 Apr 2019 10:23:27 +0200 |
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On 01/04/2019 06:14, Andrey Smirnov wrote: > 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> > Cc: Chris Healy <cphealy@gmail.com> > Cc: Lucas Stach <l.stach@pengutronix.de> > Cc: Zhang Rui <rui.zhang@intel.com> > 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 a3ddb55740e4..4f9a2543f9c3 100644 > --- a/drivers/thermal/qoriq_thermal.c > +++ b/drivers/thermal/qoriq_thermal.c > @@ -192,6 +192,7 @@ 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); > @@ -200,7 +201,13 @@ 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));
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, res); ?
> if (!data->regs) { > dev_err(dev, "Failed to get memory region\n"); > return -ENODEV; > @@ -210,23 +217,17 @@ 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_iomap; > + 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) > @@ -236,7 +237,6 @@ 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; >
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