The OMAP2 MPU virtual clock node code attempted to call clk_get_rate()
while the clockfw_lock spinlock was held. Fix by reading the sys_ck
rate directly.
Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
---
arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c | 17 ++++-------------
1 files changed, 4 insertions(+), 13 deletions(-)
diff --git a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
index e60ca4e..aef6291 100644
--- a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
+++ b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
@@ -68,16 +68,13 @@ long omap2_round_to_table_rate(struct clk *clk, unsigned long rate)
{
const struct prcm_config *ptr;
long highest_rate;
- long sys_ck_rate;
-
- sys_ck_rate = clk_get_rate(sclk);
highest_rate = -EINVAL;
for (ptr = rate_table; ptr->mpu_speed; ptr++) {
if (!(ptr->flags & cpu_mask))
continue;
- if (ptr->xtal_speed != sys_ck_rate)
+ if (ptr->xtal_speed != sclk->rate)
continue;
highest_rate = ptr->mpu_speed;
@@ -96,15 +93,12 @@ int omap2_select_table_rate(struct clk *clk, unsigned long rate)
const struct prcm_config *prcm;
unsigned long found_speed = 0;
unsigned long flags;
- long sys_ck_rate;
-
- sys_ck_rate = clk_get_rate(sclk);
for (prcm = rate_table; prcm->mpu_speed; prcm++) {
if (!(prcm->flags & cpu_mask))
continue;
- if (prcm->xtal_speed != sys_ck_rate)
+ if (prcm->xtal_speed != sclk->rate)
continue;
if (prcm->mpu_speed <= rate) {
@@ -181,19 +175,16 @@ static struct cpufreq_frequency_table *freq_table;
void omap2_clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
{
const struct prcm_config *prcm;
- long sys_ck_rate;
int i = 0;
int tbl_sz = 0;
if (!cpu_is_omap24xx())
return;
- sys_ck_rate = clk_get_rate(sclk);
-
for (prcm = rate_table; prcm->mpu_speed; prcm++) {
if (!(prcm->flags & cpu_mask))
continue;
- if (prcm->xtal_speed != sys_ck_rate)
+ if (prcm->xtal_speed != sclk->rate)
continue;
/* don't put bypass rates in table */
@@ -226,7 +217,7 @@ void omap2_clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
for (prcm = rate_table; prcm->mpu_speed; prcm++) {
if (!(prcm->flags & cpu_mask))
continue;
- if (prcm->xtal_speed != sys_ck_rate)
+ if (prcm->xtal_speed != sclk->rate)
continue;
/* don't put bypass rates in table */
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
