diff options
| author | Jon Medhurst <tixy@linaro.org> | 2015-07-08 15:54:53 +0100 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2015-07-08 16:48:48 +0100 |
| commit | 7af31f471b1b2dc664445611889b990a4634a5c9 (patch) | |
| tree | edbfa9096644d2a5f365c7a4707201882e67f673 | |
| parent | d5fc011a16fe1f838f68d6f6f20cbbf4581c8c29 (diff) | |
cpufreq: arm_big_little: Fallback to getting cpu clocks by namelsk-3.10-armlt-scpi-cpufreq
Early versions of the big.LITTLE driver used special names for cpu
clocks and vexpress TC2 code expects this, so provide a fallback
path to allow this to continue to work.
Signed-off-by: Jon Medhurst <tixy@linaro.org>
| -rw-r--r-- | drivers/cpufreq/arm_big_little.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c index 99a12ac4d3fb..b95b27f76db0 100644 --- a/drivers/cpufreq/arm_big_little.c +++ b/drivers/cpufreq/arm_big_little.c @@ -352,6 +352,11 @@ static int _get_cluster_clk_and_freq_table(struct device *cpu_dev) } clk[cluster] = clk_get(cpu_dev, NULL); + if (IS_ERR(clk[cluster])) { + char name[14] = "cpu-cluster.X"; + name[12] = cluster + '0'; + clk[cluster] = clk_get_sys(name, NULL); + } if (!IS_ERR(clk[cluster])) { dev_dbg(cpu_dev, "%s: clk: %p & freq table: %p, cluster: %d\n", __func__, clk[cluster], freq_table[cluster], |