4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
[ Upstream commit 1a76a77c8800a50b98bd38b7b1ffec32fe107bc1 ]
ARCH_AT91 is DT only for a while, drop platform data support.
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Stable-dep-of: 73580e2ee6ad ("rtc: at91sam9: fix OF node leak in probe() error path")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/rtc/Kconfig | 2 +-
drivers/rtc/rtc-at91sam9.c | 44 +++++++-------------------------------
2 files changed, 9 insertions(+), 37 deletions(-)
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 199cc39459198..6dedba21683f5 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1404,7 +1404,7 @@ config RTC_DRV_AT91RM9200
config RTC_DRV_AT91SAM9
tristate "AT91SAM9 RTT as RTC"
depends on ARCH_AT91 || COMPILE_TEST
- depends on HAS_IOMEM
+ depends on OF && HAS_IOMEM
select MFD_SYSCON
help
Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index ee71e647fd433..1c8bdf77f6edd 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -348,13 +348,6 @@ static const struct rtc_class_ops at91_rtc_ops = {
.alarm_irq_enable = at91_rtc_alarm_irq_enable,
};
-static const struct regmap_config gpbr_regmap_config = {
- .name = "gpbr",
- .reg_bits = 32,
- .val_bits = 32,
- .reg_stride = 4,
-};
-
/*
* Initialize and install RTC driver
*/
@@ -365,6 +358,7 @@ static int at91_rtc_probe(struct platform_device *pdev)
int ret, irq;
u32 mr;
unsigned int sclk_rate;
+ struct of_phandle_args args;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -390,34 +384,14 @@ static int at91_rtc_probe(struct platform_device *pdev)
if (IS_ERR(rtc->rtt))
return PTR_ERR(rtc->rtt);
- if (!pdev->dev.of_node) {
- /*
- * TODO: Remove this code chunk when removing non DT board
- * support. Remember to remove the gpbr_regmap_config
- * variable too.
- */
- void __iomem *gpbr;
-
- r = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- gpbr = devm_ioremap_resource(&pdev->dev, r);
- if (IS_ERR(gpbr))
- return PTR_ERR(gpbr);
-
- rtc->gpbr = regmap_init_mmio(NULL, gpbr,
- &gpbr_regmap_config);
- } else {
- struct of_phandle_args args;
-
- ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node,
- "atmel,rtt-rtc-time-reg", 1, 0,
- &args);
- if (ret)
- return ret;
-
- rtc->gpbr = syscon_node_to_regmap(args.np);
- rtc->gpbr_offset = args.args[0];
- }
+ ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node,
+ "atmel,rtt-rtc-time-reg", 1, 0,
+ &args);
+ if (ret)
+ return ret;
+ rtc->gpbr = syscon_node_to_regmap(args.np);
+ rtc->gpbr_offset = args.args[0];
if (IS_ERR(rtc->gpbr)) {
dev_err(&pdev->dev, "failed to retrieve gpbr regmap, aborting.\n");
return -ENOMEM;
@@ -569,13 +543,11 @@ static int at91_rtc_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(at91_rtc_pm_ops, at91_rtc_suspend, at91_rtc_resume);
-#ifdef CONFIG_OF
static const struct of_device_id at91_rtc_dt_ids[] = {
{ .compatible = "atmel,at91sam9260-rtt" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, at91_rtc_dt_ids);
-#endif
static struct platform_driver at91_rtc_driver = {
.probe = at91_rtc_probe,
--
2.43.0
