Instead abort with a timeout error. This prevents getting a hung barebox when a command doesn't complete.
Signed-off-by: Uwe Kleine-König <[email protected]> --- drivers/mci/mci-bcm2835.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mci/mci-bcm2835.c b/drivers/mci/mci-bcm2835.c index 0450f899c60a..12f7cb6ea398 100644 --- a/drivers/mci/mci-bcm2835.c +++ b/drivers/mci/mci-bcm2835.c @@ -87,13 +87,17 @@ static u32 bcm2835_sdhci_read32(struct sdhci *sdhci, int reg) static u32 bcm2835_mci_wait_command_done(struct bcm2835_mci_host *host) { u32 interrupt = 0; + uint64_t start; + start = get_time_ns(); while (true) { interrupt = sdhci_read32(&host->sdhci, SDHCI_INT_STATUS); if (interrupt & SDHCI_INT_INDEX) return -EPERM; if (interrupt & SDHCI_INT_CMD_COMPLETE) break; + if (is_timeout(start, SECOND)) + return -ETIMEDOUT; } return 0; } base-commit: c945d24ec5dad6910b02697e4d1df09f89d2b950 -- 2.30.2 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
