This is a note to let you know that I've just added the patch titled
rtc: sun6i: Always export the internal oscillator
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rtc-sun6i-always-export-the-internal-oscillator.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 34df4380b5a9df00e86267b830f236b201583d0a
Author: Samuel Holland <samuel@xxxxxxxxxxxx>
Date: Thu Dec 29 15:53:19 2022 -0600
rtc: sun6i: Always export the internal oscillator
[ Upstream commit 344f4030f6c50a9db2d03021884c4bf36191b53a ]
On all variants of the hardware, the internal oscillator is one possible
parent for the AR100 clock. It needs to be exported so we can model that
relationship correctly in the devicetree.
Fixes: c56afc1844d6 ("rtc: sun6i: Expose internal oscillator through device tree")
Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx>
Acked-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
Link: https://lore.kernel.org/r/20221229215319.14145-1-samuel@xxxxxxxxxxxx
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
index c551ebf0ac00f..536bd023c4800 100644
--- a/drivers/rtc/rtc-sun6i.c
+++ b/drivers/rtc/rtc-sun6i.c
@@ -128,7 +128,6 @@ struct sun6i_rtc_clk_data {
unsigned int fixed_prescaler : 16;
unsigned int has_prescaler : 1;
unsigned int has_out_clk : 1;
- unsigned int export_iosc : 1;
unsigned int has_losc_en : 1;
unsigned int has_auto_swt : 1;
};
@@ -260,10 +259,8 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
/* Yes, I know, this is ugly. */
sun6i_rtc = rtc;
- /* Only read IOSC name from device tree if it is exported */
- if (rtc->data->export_iosc)
- of_property_read_string_index(node, "clock-output-names", 2,
- &iosc_name);
+ of_property_read_string_index(node, "clock-output-names", 2,
+ &iosc_name);
rtc->int_osc = clk_hw_register_fixed_rate_with_accuracy(NULL,
iosc_name,
@@ -304,13 +301,10 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
goto err_register;
}
- clk_data->num = 2;
+ clk_data->num = 3;
clk_data->hws[0] = &rtc->hw;
clk_data->hws[1] = __clk_get_hw(rtc->ext_losc);
- if (rtc->data->export_iosc) {
- clk_data->hws[2] = rtc->int_osc;
- clk_data->num = 3;
- }
+ clk_data->hws[2] = rtc->int_osc;
of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
return;
@@ -350,7 +344,6 @@ static const struct sun6i_rtc_clk_data sun8i_h3_rtc_data = {
.fixed_prescaler = 32,
.has_prescaler = 1,
.has_out_clk = 1,
- .export_iosc = 1,
};
static void __init sun8i_h3_rtc_clk_init(struct device_node *node)
@@ -368,7 +361,6 @@ static const struct sun6i_rtc_clk_data sun50i_h6_rtc_data = {
.fixed_prescaler = 32,
.has_prescaler = 1,
.has_out_clk = 1,
- .export_iosc = 1,
.has_losc_en = 1,
.has_auto_swt = 1,
};
