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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
This commit is contained in:
Alexandre Belloni 2020-07-11 01:08:10 +02:00 committed by Daniel Lezcano
parent 228e218486
commit d2c60dcf86
1 changed files with 15 additions and 3 deletions
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18
drivers/clocksource/timer-atmel-tcb.c
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@ -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));