diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0023-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0023-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0023-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch b/target/linux/bcm27xx/patches-5.4/950-0023-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch deleted file mode 100644 index 61d9edf3eb..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0023-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch +++ /dev/null @@ -1,38 +0,0 @@ -From 9eeebf9e7bb7a25a81f72c0e21793614fab49ec4 Mon Sep 17 00:00:00 2001 -From: Eric Anholt <eric@anholt.net> -Date: Mon, 9 May 2016 17:28:18 -0700 -Subject: [PATCH] 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 | 9 +++++++++ - 1 file changed, 9 insertions(+) - ---- a/drivers/clk/bcm/clk-bcm2835.c -+++ b/drivers/clk/bcm/clk-bcm2835.c -@@ -1473,6 +1473,15 @@ static struct clk_hw *bcm2835_register_c - 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; -+ -+ /* - * Pass the CLK_SET_RATE_PARENT flag if we are allowed to propagate - * rate changes on at least of the parents. - */ |