Tegra: common: drivers: fix MISRA defects
Main fixes:
Add suffix U for constant [Rule 10.1]
Match the operands type [Rule 10.4]
Use UL replace U for that constant define that need do "~"
operation [Rule 12.4]
Voided non c-library functions whose return types are not used
[Rule 17.7]
Change-Id: Ia1e814ca3890eab7904be9c79030502408f30936
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
diff --git a/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c b/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c
index de431b7..ba6d283 100644
--- a/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c
+++ b/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c
@@ -287,7 +287,7 @@
static void tegra_memctrl_set_overrides(void)
{
- tegra_mc_settings_t *plat_mc_settings = tegra_get_mc_settings();
+ const tegra_mc_settings_t *plat_mc_settings = tegra_get_mc_settings();
const mc_txn_override_cfg_t *mc_txn_override_cfgs;
uint32_t num_txn_override_cfgs;
uint32_t i, val;
@@ -347,7 +347,7 @@
uint32_t num_streamid_override_regs;
const mc_streamid_security_cfg_t *mc_streamid_sec_cfgs;
uint32_t num_streamid_sec_cfgs;
- tegra_mc_settings_t *plat_mc_settings = tegra_get_mc_settings();
+ const tegra_mc_settings_t *plat_mc_settings = tegra_get_mc_settings();
uint32_t i;
INFO("Tegra Memory Controller (v2)\n");
@@ -525,7 +525,7 @@
* at all.
*/
val = tegra_mc_read_32(MC_TZRAM_CARVEOUT_CFG);
- val &= ~MC_GSC_ENABLE_TZ_LOCK_BIT;
+ val &= (uint32_t)~MC_GSC_ENABLE_TZ_LOCK_BIT;
val |= MC_GSC_LOCK_CFG_SETTINGS_BIT;
tegra_mc_write_32(MC_TZRAM_CARVEOUT_CFG, val);
@@ -603,7 +603,7 @@
/*
* Map the NS memory first, clean it and then unmap it.
*/
- mmap_add_dynamic_region(non_overlap_area_start, /* PA */
+ (void)mmap_add_dynamic_region(non_overlap_area_start, /* PA */
non_overlap_area_start, /* VA */
non_overlap_area_size, /* size */
MT_NS | MT_RW | MT_EXECUTE_NEVER); /* attrs */
@@ -611,7 +611,7 @@
zero_normalmem((void *)non_overlap_area_start, non_overlap_area_size);
flush_dcache_range(non_overlap_area_start, non_overlap_area_size);
- mmap_remove_dynamic_region(non_overlap_area_start,
+ (void)mmap_remove_dynamic_region(non_overlap_area_start,
non_overlap_area_size);
}
@@ -658,17 +658,19 @@
*/
INFO("Cleaning previous Video Memory Carveout\n");
- if (phys_base > vmem_end_old || video_mem_base > vmem_end_new) {
+ if ((phys_base > vmem_end_old) || (video_mem_base > vmem_end_new)) {
tegra_clear_videomem(video_mem_base,
- (uint64_t)video_mem_size_mb << 20);
+ (uint32_t)video_mem_size_mb << 20U);
} else {
if (video_mem_base < phys_base) {
non_overlap_area_size = phys_base - video_mem_base;
- tegra_clear_videomem(video_mem_base, non_overlap_area_size);
+ tegra_clear_videomem(video_mem_base,
+ (uint32_t)non_overlap_area_size);
}
if (vmem_end_old > vmem_end_new) {
non_overlap_area_size = vmem_end_old - vmem_end_new;
- tegra_clear_videomem(vmem_end_new, non_overlap_area_size);
+ tegra_clear_videomem(vmem_end_new,
+ (uint32_t)non_overlap_area_size);
}
}
diff --git a/plat/nvidia/tegra/common/drivers/smmu/smmu.c b/plat/nvidia/tegra/common/drivers/smmu/smmu.c
index 610f32f..bff95d7 100644
--- a/plat/nvidia/tegra/common/drivers/smmu/smmu.c
+++ b/plat/nvidia/tegra/common/drivers/smmu/smmu.c
@@ -26,40 +26,48 @@
static uint32_t tegra_smmu_read_32(uint32_t smmu_id, uint32_t off)
{
+ uint32_t ret = 0U;
+
#if defined(TEGRA_SMMU0_BASE)
- if (smmu_id == TEGRA_SMMU0)
- return mmio_read_32(TEGRA_SMMU0_BASE + off);
+ if (smmu_id == TEGRA_SMMU0) {
+ ret = mmio_read_32(TEGRA_SMMU0_BASE + (uint64_t)off);
+ }
#endif
#if defined(TEGRA_SMMU1_BASE)
- if (smmu_id == TEGRA_SMMU1)
- return mmio_read_32(TEGRA_SMMU1_BASE + off);
+ if (smmu_id == TEGRA_SMMU1) {
+ ret = mmio_read_32(TEGRA_SMMU1_BASE + (uint64_t)off);
+ }
#endif
#if defined(TEGRA_SMMU2_BASE)
- if (smmu_id == TEGRA_SMMU2)
- return mmio_read_32(TEGRA_SMMU2_BASE + off);
+ if (smmu_id == TEGRA_SMMU2) {
+ ret = mmio_read_32(TEGRA_SMMU2_BASE + (uint64_t)off);
+ }
#endif
- return 0;
+ return ret;
}
static void tegra_smmu_write_32(uint32_t smmu_id,
uint32_t off, uint32_t val)
{
#if defined(TEGRA_SMMU0_BASE)
- if (smmu_id == TEGRA_SMMU0)
- mmio_write_32(TEGRA_SMMU0_BASE + off, val);
+ if (smmu_id == TEGRA_SMMU0) {
+ mmio_write_32(TEGRA_SMMU0_BASE + (uint64_t)off, val);
+ }
#endif
#if defined(TEGRA_SMMU1_BASE)
- if (smmu_id == TEGRA_SMMU1)
- mmio_write_32(TEGRA_SMMU1_BASE + off, val);
+ if (smmu_id == TEGRA_SMMU1) {
+ mmio_write_32(TEGRA_SMMU1_BASE + (uint64_t)off, val);
+ }
#endif
#if defined(TEGRA_SMMU2_BASE)
- if (smmu_id == TEGRA_SMMU2)
- mmio_write_32(TEGRA_SMMU2_BASE + off, val);
+ if (smmu_id == TEGRA_SMMU2) {
+ mmio_write_32(TEGRA_SMMU2_BASE + (uint64_t)off, val);
+ }
#endif
}
@@ -70,16 +78,16 @@
{
uint32_t i, num_entries = 0;
smmu_regs_t *smmu_ctx_regs;
- plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
+ const plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
uint64_t tzdram_base = params_from_bl2->tzdram_base;
uint64_t tzdram_end = tzdram_base + params_from_bl2->tzdram_size;
uint32_t reg_id1, pgshift, cb_size;
/* sanity check SMMU settings c*/
reg_id1 = mmio_read_32((TEGRA_SMMU0_BASE + SMMU_GNSR0_IDR1));
- pgshift = (reg_id1 & ID1_PAGESIZE) ? 16 : 12;
- cb_size = (2 << pgshift) * \
- (1 << (((reg_id1 >> ID1_NUMPAGENDXB_SHIFT) & ID1_NUMPAGENDXB_MASK) + 1));
+ pgshift = ((reg_id1 & ID1_PAGESIZE) != 0U) ? 16U : 12U;
+ cb_size = (2UL << pgshift) * \
+ (1UL << (((reg_id1 >> ID1_NUMPAGENDXB_SHIFT) & ID1_NUMPAGENDXB_MASK) + 1UL));
assert(!((pgshift != PGSHIFT) || (cb_size != CB_SIZE)));
assert((smmu_ctx_addr >= tzdram_base) && (smmu_ctx_addr <= tzdram_end));
@@ -98,8 +106,9 @@
}
/* panic if the sizes do not match */
- if (num_entries != smmu_ctx_regs[0].val)
+ if (num_entries != smmu_ctx_regs[0].val) {
panic();
+ }
/* save SMMU register values */
for (i = 1; i < num_entries; i++)
@@ -109,8 +118,8 @@
num_entries++;
/* Save SMMU config settings */
- memcpy16((void *)(uintptr_t)smmu_ctx_addr, (void *)smmu_ctx_regs,
- (sizeof(smmu_regs_t) * num_entries));
+ (void)memcpy16((uint8_t *)smmu_ctx_addr, (uint8_t *)smmu_ctx_regs,
+ (sizeof(smmu_regs_t) * num_entries));
/* save the SMMU table address */
mmio_write_32(TEGRA_SCRATCH_BASE + SECURE_SCRATCH_RSV11_LO,