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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-05-28 19:08:55 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-05-28 19:12:43 +0200 |
commit | 77e97abf129c5028385dd72587eabab68db0d954 (patch) | |
tree | fc52a8c2ba346da77281f00538a1eb6de49deb5d /target/linux/bcm27xx/patches-5.4/950-0221-clk-bcm2835-Allow-reparenting-leaf-clocks-while-they.patch | |
parent | 5d3a0c6b26144eb5d62515b99613b5ad8dbdc717 (diff) | |
download | upstream-77e97abf129c5028385dd72587eabab68db0d954.tar.gz upstream-77e97abf129c5028385dd72587eabab68db0d954.tar.bz2 upstream-77e97abf129c5028385dd72587eabab68db0d954.zip |
bcm27xx: update to latest patches from RPi foundation
Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0221-clk-bcm2835-Allow-reparenting-leaf-clocks-while-they.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0221-clk-bcm2835-Allow-reparenting-leaf-clocks-while-they.patch | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0221-clk-bcm2835-Allow-reparenting-leaf-clocks-while-they.patch b/target/linux/bcm27xx/patches-5.4/950-0221-clk-bcm2835-Allow-reparenting-leaf-clocks-while-they.patch deleted file mode 100644 index 59d030c1eb..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0221-clk-bcm2835-Allow-reparenting-leaf-clocks-while-they.patch +++ /dev/null @@ -1,71 +0,0 @@ -From 1ee90bb75979c183e241c14f7c31d72cdb4bcc9b Mon Sep 17 00:00:00 2001 -From: Eric Anholt <eric@anholt.net> -Date: Thu, 2 May 2019 15:24:04 -0700 -Subject: [PATCH] clk: bcm2835: Allow reparenting leaf clocks while - they're running. - -This falls under the same "we can reprogram glitch-free as long as we -pause generation" rule as updating the div/frac fields. This can be -used for runtime reclocking of V3D to manage power leakage. - -Signed-off-by: Eric Anholt <eric@anholt.net> ---- - drivers/clk/bcm/clk-bcm2835.c | 19 ++++++++++++++++--- - 1 file changed, 16 insertions(+), 3 deletions(-) - ---- a/drivers/clk/bcm/clk-bcm2835.c -+++ b/drivers/clk/bcm/clk-bcm2835.c -@@ -1087,8 +1087,10 @@ static int bcm2835_clock_on(struct clk_h - return 0; - } - --static int bcm2835_clock_set_rate(struct clk_hw *hw, -- unsigned long rate, unsigned long parent_rate) -+static int bcm2835_clock_set_rate_and_parent(struct clk_hw *hw, -+ unsigned long rate, -+ unsigned long parent_rate, -+ u8 parent) - { - struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw); - struct bcm2835_cprman *cprman = clock->cprman; -@@ -1110,6 +1112,11 @@ static int bcm2835_clock_set_rate(struct - bcm2835_clock_wait_busy(clock); - } - -+ if (parent != 0xff) { -+ ctl &= ~(CM_SRC_MASK << CM_SRC_SHIFT); -+ ctl |= parent << CM_SRC_SHIFT; -+ } -+ - ctl &= ~CM_FRAC; - ctl |= (div & CM_DIV_FRAC_MASK) ? CM_FRAC : 0; - cprman_write(cprman, data->ctl_reg, ctl); -@@ -1121,6 +1128,12 @@ static int bcm2835_clock_set_rate(struct - return 0; - } - -+static int bcm2835_clock_set_rate(struct clk_hw *hw, -+ unsigned long rate, unsigned long parent_rate) -+{ -+ return bcm2835_clock_set_rate_and_parent(hw, rate, parent_rate, 0xff); -+} -+ - static bool - bcm2835_clk_is_pllc(struct clk_hw *hw) - { -@@ -1304,6 +1317,7 @@ static const struct clk_ops bcm2835_cloc - .unprepare = bcm2835_clock_off, - .recalc_rate = bcm2835_clock_get_rate, - .set_rate = bcm2835_clock_set_rate, -+ .set_rate_and_parent = bcm2835_clock_set_rate_and_parent, - .determine_rate = bcm2835_clock_determine_rate, - .set_parent = bcm2835_clock_set_parent, - .get_parent = bcm2835_clock_get_parent, -@@ -1480,7 +1494,6 @@ static struct clk_hw *bcm2835_register_c - init.ops = &bcm2835_vpu_clock_clk_ops; - } else { - init.ops = &bcm2835_clock_clk_ops; -- init.flags |= CLK_SET_PARENT_GATE; - - /* If the clock wasn't actually enabled at boot, it's not - * critical. |