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author | Yann Gautier <yann.gautier@st.com> | 2019-02-14 10:53:33 +0100 |
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committer | Yann Gautier <yann.gautier@st.com> | 2019-02-14 11:20:23 +0100 |
commit | 0d21680c35f328f1b793f0765760e994d883ff12 (patch) | |
tree | c6e8b6e242aee14fbae6171261a63d31b5759b9d /plat/st/stm32mp1/stm32mp1_context.c | |
parent | 5202cb393da7f6f3a9cf48a49e2a12f3bdee2b16 (diff) | |
download | trusted-firmware-a-0d21680c35f328f1b793f0765760e994d883ff12.tar.gz |
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 'plat/st/stm32mp1/stm32mp1_context.c')
-rw-r--r-- | plat/st/stm32mp1/stm32mp1_context.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/plat/st/stm32mp1/stm32mp1_context.c b/plat/st/stm32mp1/stm32mp1_context.c index c402c2039b..cf8a91eb41 100644 --- a/plat/st/stm32mp1/stm32mp1_context.c +++ b/plat/st/stm32mp1/stm32mp1_context.c @@ -20,26 +20,16 @@ int stm32_save_boot_interface(uint32_t interface, uint32_t instance) { - uint32_t tamp_clk_off = 0; uint32_t bkpr_itf_idx = tamp_bkpr(TAMP_BOOT_ITF_BACKUP_REG_ID); - if (!stm32mp_clk_is_enabled(RTCAPB)) { - tamp_clk_off = 1; - if (stm32mp_clk_enable(RTCAPB) != 0) { - return -EINVAL; - } - } + stm32mp_clk_enable(RTCAPB); mmio_clrsetbits_32(bkpr_itf_idx, TAMP_BOOT_ITF_MASK, ((interface << 4) | (instance & 0xFU)) << TAMP_BOOT_ITF_SHIFT); - if (tamp_clk_off != 0U) { - if (stm32mp_clk_disable(RTCAPB) != 0) { - return -EINVAL; - } - } + stm32mp_clk_disable(RTCAPB); return 0; } |