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authorKoen Vandeputte <koen.vandeputte@ncentric.com>2018-05-23 16:44:09 +0200
committerJohn Crispin <john@phrozen.org>2018-05-24 08:58:17 +0200
commit467b07e00c5ead98848587b8e06db61f7b33d3a8 (patch)
tree6d9b1bf52932e5824299ecff4528759a0630f502 /target/linux/ipq806x/patches-4.14/0044-clk-Add-safe-switch-hook.patch
parent82cf3c7c6199d5da88ff6872f288ec7f97afe184 (diff)
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kernel: bump 4.14 to 4.14.43
Refreshed all patches Compile-tested on: cns3xxx, imx6, x86_64 Runtime-tested on: cns3xxx, imx6, x86_64 Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Tested-by: Michael Yartys <michael.yartys@protonmail.com>
Diffstat (limited to 'target/linux/ipq806x/patches-4.14/0044-clk-Add-safe-switch-hook.patch')
-rw-r--r--target/linux/ipq806x/patches-4.14/0044-clk-Add-safe-switch-hook.patch86
1 files changed, 43 insertions, 43 deletions
diff --git a/target/linux/ipq806x/patches-4.14/0044-clk-Add-safe-switch-hook.patch b/target/linux/ipq806x/patches-4.14/0044-clk-Add-safe-switch-hook.patch
index b2468a9609..d0eddc64c2 100644
--- a/target/linux/ipq806x/patches-4.14/0044-clk-Add-safe-switch-hook.patch
+++ b/target/linux/ipq806x/patches-4.14/0044-clk-Add-safe-switch-hook.patch
@@ -31,32 +31,32 @@ Signed-off-by: Sricharan R <sricharan@codeaurora.org>
--- a/drivers/clk/qcom/clk-krait.c
+++ b/drivers/clk/qcom/clk-krait.c
@@ -60,6 +60,8 @@ static int krait_mux_set_parent(struct c
- if (__clk_is_enabled(hw->clk))
- __krait_mux_set_sel(mux, sel);
-
+ if (__clk_is_enabled(hw->clk))
+ __krait_mux_set_sel(mux, sel);
+
+ mux->reparent = true;
+
- return 0;
+ return 0;
}
-
+
--- a/drivers/clk/qcom/clk-krait.h
+++ b/drivers/clk/qcom/clk-krait.h
@@ -23,6 +23,9 @@ struct krait_mux_clk {
- u32 shift;
- u32 en_mask;
- bool lpl;
+ u32 shift;
+ u32 en_mask;
+ bool lpl;
+ u8 safe_sel;
+ u8 old_index;
+ bool reparent;
-
- struct clk_hw hw;
- struct notifier_block clk_nb;
+
+ struct clk_hw hw;
+ struct notifier_block clk_nb;
--- a/drivers/clk/qcom/krait-cc.c
+++ b/drivers/clk/qcom/krait-cc.c
@@ -35,6 +35,49 @@ static unsigned int pri_mux_map[] = {
- 0,
+ 0,
};
-
+
+/*
+ * Notifier function for switching the muxes to safe parent
+ * while the hfpll is getting reprogrammed.
@@ -105,56 +105,56 @@ Signed-off-by: Sricharan R <sricharan@codeaurora.org>
{
@@ -79,6 +122,7 @@ static int
krait_add_sec_mux(struct device *dev, int id, const char *s,
- unsigned int offset, bool unique_aux)
+ unsigned int offset, bool unique_aux)
{
+ int ret;
- struct krait_mux_clk *mux;
- static const char *sec_mux_list[] = {
- "acpu_aux",
+ struct krait_mux_clk *mux;
+ static const char *sec_mux_list[] = {
+ "acpu_aux",
@@ -102,6 +146,7 @@ krait_add_sec_mux(struct device *dev, in
- mux->shift = 2;
- mux->parent_map = sec_mux_map;
- mux->hw.init = &init;
+ mux->shift = 2;
+ mux->parent_map = sec_mux_map;
+ mux->hw.init = &init;
+ mux->safe_sel = 0;
-
- init.name = kasprintf(GFP_KERNEL, "krait%s_sec_mux", s);
- if (!init.name)
+
+ init.name = kasprintf(GFP_KERNEL, "krait%s_sec_mux", s);
+ if (!init.name)
@@ -117,6 +162,11 @@ krait_add_sec_mux(struct device *dev, in
-
- clk = devm_clk_register(dev, &mux->hw);
-
+
+ clk = devm_clk_register(dev, &mux->hw);
+
+ ret = krait_notifier_register(dev, clk, mux);
+ if (ret)
+ goto unique_aux;
+
+unique_aux:
- if (unique_aux)
- kfree(sec_mux_list[0]);
+ if (unique_aux)
+ kfree(sec_mux_list[0]);
err_aux:
@@ -128,6 +178,7 @@ static struct clk *
krait_add_pri_mux(struct device *dev, int id, const char *s,
- unsigned int offset)
+ unsigned int offset)
{
+ int ret;
- struct krait_mux_clk *mux;
- const char *p_names[3];
- struct clk_init_data init = {
+ struct krait_mux_clk *mux;
+ const char *p_names[3];
+ struct clk_init_data init = {
@@ -148,6 +199,7 @@ krait_add_pri_mux(struct device *dev, in
- mux->lpl = id >= 0;
- mux->parent_map = pri_mux_map;
- mux->hw.init = &init;
+ mux->lpl = id >= 0;
+ mux->parent_map = pri_mux_map;
+ mux->hw.init = &init;
+ mux->safe_sel = 2;
-
- init.name = kasprintf(GFP_KERNEL, "krait%s_pri_mux", s);
- if (!init.name)
+
+ init.name = kasprintf(GFP_KERNEL, "krait%s_pri_mux", s);
+ if (!init.name)
@@ -173,6 +225,10 @@ krait_add_pri_mux(struct device *dev, in
-
- clk = devm_clk_register(dev, &mux->hw);
-
+
+ clk = devm_clk_register(dev, &mux->hw);
+
+ ret = krait_notifier_register(dev, clk, mux);
+ if (ret)
+ goto err_p3;
+err_p3:
- kfree(p_names[2]);
+ kfree(p_names[2]);
err_p2:
- kfree(p_names[1]);
+ kfree(p_names[1]);