summaryrefslogtreecommitdiff
path: root/drivers/rtc
diff options
context:
space:
mode:
authorSamuel Holland <samuel@sholland.org>2021-09-28 11:03:32 +0300
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2021-10-24 00:50:27 +0300
commit814691c7f7d1f958ac30c3dca5070a95c1f658dd (patch)
tree2f1459862203d20f4db9b73e3b22676e5188da53 /drivers/rtc
parentf8d4e4fa51ec817edfee49c173521a1102f7f7a6 (diff)
downloadlinux-814691c7f7d1f958ac30c3dca5070a95c1f658dd.tar.xz
rtc: sun6i: Allow probing without an early clock provider
Some SoCs have an RTC supported by this RTC driver, but do not have an early clock provider declared here. Currently, this prevents the RTC driver from probing, because it expects a global struct to already be allocated. Fix probing the driver by copying the missing pieces from the clock provider setup function, replacing them with the devm variants. Signed-off-by: Samuel Holland <samuel@sholland.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210928080335.36706-7-samuel@sholland.org
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-sun6i.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
index adec1b14a8de..711832c758ae 100644
--- a/drivers/rtc/rtc-sun6i.c
+++ b/drivers/rtc/rtc-sun6i.c
@@ -673,8 +673,17 @@ static int sun6i_rtc_probe(struct platform_device *pdev)
struct sun6i_rtc_dev *chip = sun6i_rtc;
int ret;
- if (!chip)
- return -ENODEV;
+ if (!chip) {
+ chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;
+
+ spin_lock_init(&chip->lock);
+
+ chip->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(chip->base))
+ return PTR_ERR(chip->base);
+ }
platform_set_drvdata(pdev, chip);