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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-09 20:32:28 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-14 12:44:14 +0200 |
| commit | 42954857190b9df16d9d873ecc7f6cc38e013e44 (patch) | |
| tree | 98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0559-clk-bcm2835-Don-t-wait-for-pllh-lock.patch | |
| parent | f1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff) | |
| download | upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.gz upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.bz2 upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.zip | |
brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0559-clk-bcm2835-Don-t-wait-for-pllh-lock.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0559-clk-bcm2835-Don-t-wait-for-pllh-lock.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0559-clk-bcm2835-Don-t-wait-for-pllh-lock.patch b/target/linux/brcm2708/patches-4.19/950-0559-clk-bcm2835-Don-t-wait-for-pllh-lock.patch new file mode 100644 index 0000000000..b4c7afd870 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0559-clk-bcm2835-Don-t-wait-for-pllh-lock.patch @@ -0,0 +1,38 @@ +From 258c43d5303a3afe7c416b4fa9875bdbd3470131 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Wed, 23 Jan 2019 16:11:50 +0000 +Subject: [PATCH 559/703] 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, |