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rtc: mpc5121: simplify probe

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Use devm managed function to simplify probe and remove.

Link: https://lore.kernel.org/r/20200306074404.58909-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2020-03-06 08:44:00 +01:00
parent c47cf9d6bb
commit d53d4ae981
1 changed files with 8 additions and 14 deletions
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22
drivers/rtc/rtc-mpc5121.c
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@ -315,8 +315,8 @@ static int mpc5121_rtc_probe(struct platform_device *op)
if (!rtc)
return -ENOMEM;
rtc->regs = of_iomap(op->dev.of_node, 0);
if (!rtc->regs) {
rtc->regs = devm_platform_ioremap_resource(op, 0);
if (IS_ERR(rtc->regs)) {
dev_err(&op->dev, "%s: couldn't map io space\n", __func__);
return -ENOSYS;
}
@ -326,8 +326,8 @@ static int mpc5121_rtc_probe(struct platform_device *op)
platform_set_drvdata(op, rtc);
rtc->irq = irq_of_parse_and_map(op->dev.of_node, 1);
err = request_irq(rtc->irq, mpc5121_rtc_handler, 0,
"mpc5121-rtc", &op->dev);
err = devm_request_irq(&op->dev, rtc->irq, mpc5121_rtc_handler, 0,
"mpc5121-rtc", &op->dev);
if (err) {
dev_err(&op->dev, "%s: could not request irq: %i\n",
__func__, rtc->irq);
@ -335,8 +335,9 @@ static int mpc5121_rtc_probe(struct platform_device *op)
}
rtc->irq_periodic = irq_of_parse_and_map(op->dev.of_node, 0);
err = request_irq(rtc->irq_periodic, mpc5121_rtc_handler_upd,
0, "mpc5121-rtc_upd", &op->dev);
err = devm_request_irq(&op->dev, rtc->irq_periodic,
mpc5121_rtc_handler_upd, 0, "mpc5121-rtc_upd",
&op->dev);
if (err) {
dev_err(&op->dev, "%s: could not request irq: %i\n",
__func__, rtc->irq_periodic);
@ -361,20 +362,16 @@ static int mpc5121_rtc_probe(struct platform_device *op)
if (IS_ERR(rtc->rtc)) {
err = PTR_ERR(rtc->rtc);
goto out_free_irq;
goto out_dispose2;
}
rtc->rtc->uie_unsupported = 1;
return 0;
out_free_irq:
free_irq(rtc->irq_periodic, &op->dev);
out_dispose2:
irq_dispose_mapping(rtc->irq_periodic);
free_irq(rtc->irq, &op->dev);
out_dispose:
irq_dispose_mapping(rtc->irq);
iounmap(rtc->regs);
return err;
}
@ -388,9 +385,6 @@ static int mpc5121_rtc_remove(struct platform_device *op)
out_8(&regs->alm_enable, 0);
out_8(&regs->int_enable, in_8(&regs->int_enable) & ~0x1);
iounmap(rtc->regs);
free_irq(rtc->irq, &op->dev);
free_irq(rtc->irq_periodic, &op->dev);
irq_dispose_mapping(rtc->irq);
irq_dispose_mapping(rtc->irq_periodic);