diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0346-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0346-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0346-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch b/target/linux/brcm2708/patches-4.4/0346-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch deleted file mode 100644 index c86075618b..0000000000 --- a/target/linux/brcm2708/patches-4.4/0346-clk-bcm2835-Mark-GPIO-clocks-enabled-at-boot-as-crit.patch +++ /dev/null @@ -1,54 +0,0 @@ -From c6f1ea4b22c1ce02929d8d52ac1c68f6fb1edeb9 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 | 13 ++++++++++++- - 1 file changed, 12 insertions(+), 1 deletion(-) - ---- a/drivers/clk/bcm/clk-bcm2835.c -+++ b/drivers/clk/bcm/clk-bcm2835.c -@@ -1248,6 +1248,15 @@ 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 { -@@ -1722,13 +1731,15 @@ 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( |