openwrt/target/linux/bcm27xx/patches-5.10/950-0134-clk-bcm2835-Don-t-wait-for-pllh-lock.patch
Álvaro Fernández Rojas 8299d1f057 bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-08-21 19:07:07 +02:00

39 lines
1.2 KiB
Diff

From c1fb629fa486608edab88fb4aa9ab54dd2dcb52c Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 23 Jan 2019 16:11:50 +0000
Subject: [PATCH] clk-bcm2835: Don't wait for pllh lock
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/clk/bcm/clk-bcm2835.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -644,15 +644,17 @@ static int bcm2835_pll_on(struct clk_hw
spin_unlock(&cprman->regs_lock);
/* Wait for the PLL to lock. */
- timeout = ktime_add_ns(ktime_get(), LOCK_TIMEOUT_NS);
- while (!(cprman_read(cprman, CM_LOCK) & data->lock_mask)) {
- if (ktime_after(ktime_get(), timeout)) {
- dev_err(cprman->dev, "%s: couldn't lock PLL\n",
- clk_hw_get_name(hw));
- return -ETIMEDOUT;
- }
+ if (strcmp(data->name, "pllh")) {
+ timeout = ktime_add_ns(ktime_get(), LOCK_TIMEOUT_NS);
+ while (!(cprman_read(cprman, CM_LOCK) & data->lock_mask)) {
+ if (ktime_after(ktime_get(), timeout)) {
+ dev_err(cprman->dev, "%s: couldn't lock PLL\n",
+ clk_hw_get_name(hw));
+ return -ETIMEDOUT;
+ }
- cpu_relax();
+ cpu_relax();
+ }
}
cprman_write(cprman, data->a2w_ctrl_reg,