Convert driver to use devm_ioremap() to simplify memory deallocation
and error handling code. No functional change intended.

Signed-off-by: Andrey Smirnov <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Zhang Rui <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
 drivers/thermal/qoriq_thermal.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
index 9bae001e8264..472594fca03b 100644
--- a/drivers/thermal/qoriq_thermal.c
+++ b/drivers/thermal/qoriq_thermal.c
@@ -188,6 +188,7 @@ 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;
        u32 site;
 
        data = devm_kzalloc(dev, sizeof(struct qoriq_tmu_data),
@@ -203,7 +204,13 @@ static int qoriq_tmu_probe(struct platform_device *pdev)
                return -ENODEV;
        }
 
-       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;
@@ -213,7 +220,7 @@ 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;
 
        data->tz = devm_thermal_zone_of_sensor_register(dev,
                                                        data->sensor_id,
@@ -222,7 +229,7 @@ static int qoriq_tmu_probe(struct platform_device *pdev)
                ret = PTR_ERR(data->tz);
                dev_err(dev, "Failed to register thermal zone device %d\n",
                        ret);
-               goto err_tmu;
+               return ret;
        }
 
        platform_set_drvdata(pdev, data);
@@ -232,11 +239,6 @@ static int qoriq_tmu_probe(struct platform_device *pdev)
        tmu_write(data, site | TMR_ME | TMR_ALPF, &data->regs->tmr);
 
        return 0;
-
-err_tmu:
-       iounmap(data->regs);
-
-       return ret;
 }
 
 static int qoriq_tmu_remove(struct platform_device *pdev)
@@ -246,7 +248,6 @@ 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;
-- 
2.20.1

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