stm32mp1: use a common function to check spinlock is available
To use spinlocks, MMU should be enabled, as well as data cache.
A common function is created (moved from clock file).
It is then used whenever a spinlock has to be taken, in BSEC and clock
drivers.
Change-Id: I94baed0114a2061ad71bd5287a91bf7f1c6821f6
Signed-off-by: Yann Gautier <yann.gautier@st.com>
diff --git a/drivers/st/clk/stm32mp1_clk.c b/drivers/st/clk/stm32mp1_clk.c
index f3b9f0c..0cc87cc 100644
--- a/drivers/st/clk/stm32mp1_clk.c
+++ b/drivers/st/clk/stm32mp1_clk.c
@@ -541,29 +541,19 @@
return &stm32mp1_clk_pll[idx];
}
-static int stm32mp1_lock_available(void)
-{
- /* The spinlocks are used only when MMU is enabled */
- return (read_sctlr() & SCTLR_M_BIT) && (read_sctlr() & SCTLR_C_BIT);
-}
-
static void stm32mp1_clk_lock(struct spinlock *lock)
{
- if (stm32mp1_lock_available() == 0U) {
- return;
+ if (stm32mp_lock_available()) {
+ /* Assume interrupts are masked */
+ spin_lock(lock);
}
-
- /* Assume interrupts are masked */
- spin_lock(lock);
}
static void stm32mp1_clk_unlock(struct spinlock *lock)
{
- if (stm32mp1_lock_available() == 0U) {
- return;
+ if (stm32mp_lock_available()) {
+ spin_unlock(lock);
}
-
- spin_unlock(lock);
}
bool stm32mp1_rcc_is_secure(void)