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drivers: clock_control: npcm: add missing const qualifiers

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Ensure that the various configuration and conversion tables are marked
as const to save on RAM usage.

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
This commit is contained in:
Benjamin Cabé 2025-06-16 17:18:41 +02:00 committed by Benjamin Cabé
parent 1c1ec64ab6
commit 1e27c46015
1 changed files with 7 additions and 7 deletions
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14
drivers/clock_control/clock_control_npcm.c
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@ -124,7 +124,7 @@ struct freq_multiplier_t {
uint8_t hfcgml;
};
static struct freq_multiplier_t freq_multiplier[] = {
static const struct freq_multiplier_t freq_multiplier[] = {
{.ofmclk = 100000000, .hfcgn = 0x82, .hfcgmh = 0x0B, .hfcgml = 0xEC},
{.ofmclk = 96000000, .hfcgn = 0x82, .hfcgmh = 0x0B, .hfcgml = 0x72},
{.ofmclk = 80000000, .hfcgn = 0x82, .hfcgmh = 0x09, .hfcgml = 0x89},
@ -139,7 +139,7 @@ struct clk_cfg_t {
uint16_t bus;
};
static struct clk_cfg_t clk_cfg[] = {
static const struct clk_cfg_t clk_cfg[] = {
{.clock_id = NPCM_CLOCK_PWM_I, .bus = NPCM_CLOCK_BUS_LFCLK},
{.clock_id = NPCM_CLOCK_PWM_J, .bus = NPCM_CLOCK_BUS_LFCLK},
{.clock_id = NPCM_CLOCK_I3CI, .bus = NPCM_CLOCK_BUS_APB3},
@ -193,7 +193,7 @@ static struct clk_cfg_t clk_cfg[] = {
#define DRV_CONFIG(dev) ((const struct npcm_pcc_config *)(dev)->config)
/* Clock controller local functions */
static struct clk_cfg_t *npcm_get_cfg(clock_control_subsys_t sub_system)
static const struct clk_cfg_t *npcm_get_cfg(clock_control_subsys_t sub_system)
{
uint32_t clk_id = (uint32_t)sub_system;
uint32_t i;
@ -210,7 +210,7 @@ static struct clk_cfg_t *npcm_get_cfg(clock_control_subsys_t sub_system)
static inline int npcm_clock_control_on(const struct device *dev, clock_control_subsys_t sub_system)
{
uint32_t clk_id = (uint32_t)sub_system;
struct clk_cfg_t *priv;
const struct clk_cfg_t *priv;
const uint32_t pmc_base = DRV_CONFIG(dev)->base_pmc;
priv = npcm_get_cfg(sub_system);
@ -229,7 +229,7 @@ static inline int npcm_clock_control_off(const struct device *dev,
clock_control_subsys_t sub_system)
{
uint32_t clk_id = (uint32_t)sub_system;
struct clk_cfg_t *priv;
const struct clk_cfg_t *priv;
const uint32_t pmc_base = DRV_CONFIG(dev)->base_pmc;
priv = npcm_get_cfg(sub_system);
@ -249,7 +249,7 @@ static int npcm_clock_control_get_subsys_rate(const struct device *dev,
{
ARG_UNUSED(dev);
uint32_t clk_id = (uint32_t)sub_system;
struct clk_cfg_t *priv;
const struct clk_cfg_t *priv;
priv = npcm_get_cfg(sub_system);
if (!priv) {
@ -310,7 +310,7 @@ static DEVICE_API(clock_control, npcm_clock_control_api) = {
static int npcm_clock_control_init(const struct device *dev)
{
struct cdcg_reg *const priv = (struct cdcg_reg *)(DRV_CONFIG(dev)->base_cdcg);
struct freq_multiplier_t *freq_p;
const struct freq_multiplier_t *freq_p;
int i;
for (i = 0; i < ARRAY_SIZE(freq_multiplier); i++) {