bcm27xx: remove linux 5.10 compatibility

[openwrt/staging/chunkeey.git] / target / linux / bcm27xx / patches-5.10 / 950-0136-clk-bcm2835-Add-support-for-setting-leaf-clock-rates.patch

diff --git a/target/linux/bcm27xx/patches-5.10/950-0136-clk-bcm2835-Add-support-for-setting-leaf-clock-rates.patch b/target/linux/bcm27xx/patches-5.10/950-0136-clk-bcm2835-Add-support-for-setting-leaf-clock-rates.patch
deleted file mode 100644 (file)
index 83df1fd..0000000
--- a/target/linux/bcm27xx/patches-5.10/950-0136-clk-bcm2835-Add-support-for-setting-leaf-clock-rates.patch
+++ /dev/null
@@ -1,53 +0,0 @@
-From a1dcaba80910c0196b6e51111ba3890372067e0e Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Thu, 2 May 2019 15:11:05 -0700
-Subject: [PATCH] clk: bcm2835: Add support for setting leaf clock
- rates while running.
-
-As long as you wait for !BUSY, you can do glitch-free updates of clock
-rate while the clock is running.
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
----
- drivers/clk/bcm/clk-bcm2835.c | 22 +++++++++++++---------
- 1 file changed, 13 insertions(+), 9 deletions(-)
-
---- a/drivers/clk/bcm/clk-bcm2835.c
-+++ b/drivers/clk/bcm/clk-bcm2835.c
-@@ -1110,15 +1110,19 @@ static int bcm2835_clock_set_rate(struct
- 
-       spin_lock(&cprman->regs_lock);
- 
--      /*
--       * Setting up frac support
--       *
--       * In principle it is recommended to stop/start the clock first,
--       * but as we set CLK_SET_RATE_GATE during registration of the
--       * clock this requirement should be take care of by the
--       * clk-framework.
-+      ctl = cprman_read(cprman, data->ctl_reg);
-+
-+      /* If the clock is running, we have to pause clock generation while
-+       * updating the control and div regs.  This is glitchless (no clock
-+       * signals generated faster than the rate) but each reg access is two
-+       * OSC cycles so the clock will slow down for a moment.
-        */
--      ctl = cprman_read(cprman, data->ctl_reg) & ~CM_FRAC;
-+      if (ctl & CM_ENABLE) {
-+              cprman_write(cprman, data->ctl_reg, ctl & ~CM_ENABLE);
-+              bcm2835_clock_wait_busy(clock);
-+      }
-+
-+      ctl &= ~CM_FRAC;
-       ctl |= (div & CM_DIV_FRAC_MASK) ? CM_FRAC : 0;
-       cprman_write(cprman, data->ctl_reg, ctl);
- 
-@@ -1494,7 +1498,7 @@ 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_RATE_GATE | CLK_SET_PARENT_GATE;
-+              init.flags |= CLK_SET_PARENT_GATE;
- 
-               /* If the clock wasn't actually enabled at boot, it's not
-                * critical.