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soc: qcom: rpmh-rsc: log interrupt status when TCS is busy

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To debug issues when TCS is busy, report interrupt status as well. If
the interrupt line is pending at GIC, then Linux was too busy to process
the interrupt and if not pending then AOSS was too busy to handle the
request.

Change-Id: I8fd8289c74a8e1d6c771b77c2800a52f18c3a0b2
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
This commit is contained in:
Lina Iyer 2019-08-27 15:09:42 -06:00 • committed by Maulik Shah
commit 7aa301db5b
1 changed files with 8 additions and 2 deletions
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10
drivers/soc/qcom/rpmh-rsc.c
View file

@ -462,8 +462,14 @@ int rpmh_rsc_send_data(struct rsc_drv *drv, const struct tcs_request *msg)
do {
ret = tcs_write(drv, msg);
if (ret == -EBUSY) {
pr_info_ratelimited("DRV:%s TCS Busy, retrying RPMH message send: addr=%#x\n",
drv->name, msg->cmds[0].addr);
bool irq_sts;
irq_get_irqchip_state(drv->irq, IRQCHIP_STATE_PENDING,
&irq_sts);
pr_info_ratelimited("DRV:%s TCS Busy, retrying RPMH message send: addr=%#x interrupt status=%s\n",
drv->name, msg->cmds[0].addr,
irq_sts ?
"PENDING" : "NOT PENDING");
udelay(10);
}
} while (ret == -EBUSY);