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drivers: intc: check if clock device is ready before accessing

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Add check for device_is_ready() before accessing clock control devices.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-08-08 13:36:10 +02:00 • committed by Carles Cufí
commit 5a7eb0ccfc
2 changed files with 8 additions and 0 deletions
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4
drivers/interrupt_controller/intc_mchp_ecia_xec.c
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@ -515,6 +515,10 @@ static int xec_ecia_init(const struct device *dev)
uint32_t n = 0, nr = 0;
int ret;
if (!device_is_ready(clk_dev)) {
return -ENODEV;
}
ret = clock_control_on(clk_dev,
(clock_control_subsys_t *)&cfg->clk_ctrl);
if (ret < 0) {

4
drivers/interrupt_controller/intc_rv32m1_intmux.c
View file

@ -154,6 +154,10 @@ static int rv32m1_intmux_init(const struct device *dev)
INTMUX_Type *regs = DEV_REGS(dev);
size_t i;
if (!device_is_ready(config->clock_dev)) {
return -ENODEV;
}
/* Enable INTMUX clock. */
clock_control_on(config->clock_dev, config->clock_subsys);