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authorYann Gautier <yann.gautier@st.com>2019-02-14 10:53:33 +0100
committerYann Gautier <yann.gautier@st.com>2019-02-14 11:20:23 +0100
commit0d21680c35f328f1b793f0765760e994d883ff12 (patch)
treec6e8b6e242aee14fbae6171261a63d31b5759b9d /drivers/st/ddr/stm32mp1_ddr_helpers.c
parent5202cb393da7f6f3a9cf48a49e2a12f3bdee2b16 (diff)
stm32mp1: update clock driver
Remove useless private structure in function prototypes. Add a reference counter on clocks. Prepare for future secured/shared/non-secured clocks. Change-Id: I3dbed81721da5ceff5e10b2c4155b1e340c036ee Signed-off-by: Yann Gautier <yann.gautier@st.com> Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Lionel Debieve <lionel.debieve@st.com> Signed-off-by: Nicolas LE BAYON <nicolas.le.bayon@st.com>
Diffstat (limited to 'drivers/st/ddr/stm32mp1_ddr_helpers.c')
-rw-r--r--drivers/st/ddr/stm32mp1_ddr_helpers.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/st/ddr/stm32mp1_ddr_helpers.c b/drivers/st/ddr/stm32mp1_ddr_helpers.c
index c66c9e70..fcb4cfcf 100644
--- a/drivers/st/ddr/stm32mp1_ddr_helpers.c
+++ b/drivers/st/ddr/stm32mp1_ddr_helpers.c
@@ -11,10 +11,14 @@
void ddr_enable_clock(void)
{
+ stm32mp1_clk_rcc_regs_lock();
+
mmio_setbits_32(stm32mp_rcc_base() + RCC_DDRITFCR,
RCC_DDRITFCR_DDRC1EN |
RCC_DDRITFCR_DDRC2EN |
RCC_DDRITFCR_DDRPHYCEN |
RCC_DDRITFCR_DDRPHYCAPBEN |
RCC_DDRITFCR_DDRCAPBEN);
+
+ stm32mp1_clk_rcc_regs_unlock();
}