diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0479-clk-bcm2835-Don-t-wait-for-pllh-lock.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0479-clk-bcm2835-Don-t-wait-for-pllh-lock.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0479-clk-bcm2835-Don-t-wait-for-pllh-lock.patch b/target/linux/brcm2708/patches-4.19/950-0479-clk-bcm2835-Don-t-wait-for-pllh-lock.patch new file mode 100644 index 0000000000..e8ab380b5d --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0479-clk-bcm2835-Don-t-wait-for-pllh-lock.patch @@ -0,0 +1,38 @@ +From 3924edc9bd3c55d48c383c1046d75e163ce3cddb 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 +@@ -627,15 +627,17 @@ 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, |