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authorÁlvaro Fernández Rojas <noltari@gmail.com>2016-07-07 09:22:07 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2016-07-09 16:29:18 +0200
commit20402106a376dcc4a766d3b0cee801ce29ba76d5 (patch)
treecfd93c19a6766663c4e8537ca8b8b82ad50478ee /target/linux/brcm2708/patches-4.4/0350-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch
parentf1765277bacbea47a45ed913ca8fa043e9f71393 (diff)
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brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0350-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0350-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch55
1 files changed, 0 insertions, 55 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0350-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch b/target/linux/brcm2708/patches-4.4/0350-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch
deleted file mode 100644
index 01c1c1b64e..0000000000
--- a/target/linux/brcm2708/patches-4.4/0350-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch
+++ /dev/null
@@ -1,55 +0,0 @@
-From edb0177945936b14fe58662743f9e9d4eeba4b73 Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Mon, 9 May 2016 17:28:18 -0700
-Subject: [PATCH 350/381] clk: bcm2835: Mark GPIO clocks enabled at boot as
- critical.
-
-These divide off of PLLD_PER and are used for the ethernet and wifi
-PHYs source PLLs. Neither of them is currently represented by a phy
-device that would grab the clock for us.
-
-This keeps other drivers from killing the networking PHYs when they
-disable their own clocks and trigger PLLD_PER's refcount going to 0.
-
-v2: Skip marking as critical if they aren't on at boot.
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
----
- drivers/clk/bcm/clk-bcm2835.c | 13 ++++++++++++-
- 1 file changed, 12 insertions(+), 1 deletion(-)
-
---- a/drivers/clk/bcm/clk-bcm2835.c
-+++ b/drivers/clk/bcm/clk-bcm2835.c
-@@ -1250,6 +1250,15 @@ static struct clk *bcm2835_register_cloc
- init.name = data->name;
- init.flags = data->flags | CLK_IGNORE_UNUSED;
-
-+ /*
-+ * Some GPIO clocks for ethernet/wifi PLLs are marked as
-+ * critical (since some platforms use them), but if the
-+ * firmware didn't have them turned on then they clearly
-+ * aren't actually critical.
-+ */
-+ if ((cprman_read(cprman, data->ctl_reg) & CM_ENABLE) == 0)
-+ init.flags &= ~CLK_IS_CRITICAL;
-+
- if (data->is_vpu_clock) {
- init.ops = &bcm2835_vpu_clock_clk_ops;
- } else {
-@@ -1724,13 +1733,15 @@ static const struct bcm2835_clk_desc clk
- .div_reg = CM_GP1DIV,
- .int_bits = 12,
- .frac_bits = 12,
-+ .flags = CLK_IS_CRITICAL,
- .is_mash_clock = true),
- [BCM2835_CLOCK_GP2] = REGISTER_PER_CLK(
- .name = "gp2",
- .ctl_reg = CM_GP2CTL,
- .div_reg = CM_GP2DIV,
- .int_bits = 12,
-- .frac_bits = 12),
-+ .frac_bits = 12,
-+ .flags = CLK_IS_CRITICAL),
-
- /* HDMI state machine */
- [BCM2835_CLOCK_HSM] = REGISTER_PER_CLK(