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usb: don't initialize more than once

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Signed-off-by: Sven Peter <sven@svenpeter.dev>
This commit is contained in:
Sven Peter 2021-07-09 18:39:20 +02:00 committed by Hector Martin
parent 5d2315a865
commit 856a9dbd1b
1 changed files with 6 additions and 0 deletions
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6
src/usb.c
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@ -45,6 +45,7 @@ static const struct {
};
static tps6598x_irq_state_t tps6598x_irq_state[USB_INSTANCES];
static bool usb_is_initialized = false;
static dart_dev_t *usb_dart_init(const char *path, const char *mapper_path)
{
@ -261,6 +262,9 @@ static tps6598x_dev_t *hpm_init(i2c_dev_t *i2c, int idx)
void usb_init(void)
{
if (usb_is_initialized)
return;
i2c_dev_t *i2c = i2c_init("/arm-io/i2c0");
if (!i2c) {
printf("usb: i2c init failed.\n");
@ -286,6 +290,8 @@ void usb_init(void)
if (usb_phy_bringup(idx) < 0)
printf("usb: unable to bringup the phy with index %d\n", idx);
}
usb_is_initialized = true;
}
void usb_hpm_restore_irqs(bool force)