diff options
author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-07-11 01:08:10 +0200 |
---|---|---|
committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2020-07-11 18:58:04 +0200 |
commit | d2c60dcf86fabb542b96b4444ca81be0b1b30099 (patch) | |
tree | 010211d20e388b03aef44f3f33c3a39cbb149522 /drivers/clocksource/timer-atmel-tcb.c | |
parent | 228e21848623e0ce54a1a3d7857b444813e49b2e (diff) |
clocksource/drivers/timer-atmel-tcb: Fill tcb_config
Use the tcb_config and struct atmel_tcb_config to get the timer counter
width. This is necessary because atmel_tcb_config will be extended later
on.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200710230813.1005150-7-alexandre.belloni@bootlin.com
Diffstat (limited to 'drivers/clocksource/timer-atmel-tcb.c')
-rw-r--r-- | drivers/clocksource/timer-atmel-tcb.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/clocksource/timer-atmel-tcb.c b/drivers/clocksource/timer-atmel-tcb.c index b255a4a1a36b..423af2f9835f 100644 --- a/drivers/clocksource/timer-atmel-tcb.c +++ b/drivers/clocksource/timer-atmel-tcb.c @@ -348,9 +348,17 @@ static void __init tcb_setup_single_chan(struct atmel_tc *tc, int mck_divisor_id static const u8 atmel_tcb_divisors[] = { 2, 8, 32, 128 }; +static struct atmel_tcb_config tcb_rm9200_config = { + .counter_width = 16, +}; + +static struct atmel_tcb_config tcb_sam9x5_config = { + .counter_width = 32, +}; + static const struct of_device_id atmel_tcb_of_match[] = { - { .compatible = "atmel,at91rm9200-tcb", .data = (void *)16, }, - { .compatible = "atmel,at91sam9x5-tcb", .data = (void *)32, }, + { .compatible = "atmel,at91rm9200-tcb", .data = &tcb_rm9200_config, }, + { .compatible = "atmel,at91sam9x5-tcb", .data = &tcb_sam9x5_config, }, { /* sentinel */ } }; @@ -398,7 +406,11 @@ static int __init tcb_clksrc_init(struct device_node *node) } match = of_match_node(atmel_tcb_of_match, node->parent); - bits = (uintptr_t)match->data; + if (!match) + return -ENODEV; + + tc.tcb_config = match->data; + bits = tc.tcb_config->counter_width; for (i = 0; i < ARRAY_SIZE(tc.irq); i++) writel(ATMEL_TC_ALL_IRQ, tc.regs + ATMEL_TC_REG(i, IDR)); |