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authorSimon Glass <sjg@chromium.org>2020-11-09 07:14:44 -0700
committerSimon Glass <sjg@chromium.org>2020-11-14 15:23:41 -0700
commit4cb862fe28332f187f636b37b48fb0fbaf3432ec (patch)
tree140ce14d38fcb4a65dd542b061b3ad7a932dca4e /drivers/misc/cros_ec_lpc.c
parentd237e9c7c00d131d808761d0fe7f44768598c074 (diff)
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cros_ec: Increase command timeout for flash erase
Erasing the flash can take over a second on some devices and the EC is not responsive during this time. Update the timeout to 5 seconds to cope with this. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/misc/cros_ec_lpc.c')
-rw-r--r--drivers/misc/cros_ec_lpc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/misc/cros_ec_lpc.c b/drivers/misc/cros_ec_lpc.c
index 63702f9..e0002b9 100644
--- a/drivers/misc/cros_ec_lpc.c
+++ b/drivers/misc/cros_ec_lpc.c
@@ -25,13 +25,16 @@
#define debug_trace(fmt, b...)
#endif
+/* Timeout waiting for a flash erase command to complete */
+static const int CROS_EC_CMD_TIMEOUT_MS = 5000;
+
static int wait_for_sync(struct cros_ec_dev *dev)
{
unsigned long start;
start = get_timer(0);
while (inb(EC_LPC_ADDR_HOST_CMD) & EC_LPC_STATUS_BUSY_MASK) {
- if (get_timer(start) > 1000) {
+ if (get_timer(start) > CROS_EC_CMD_TIMEOUT_MS) {
debug("%s: Timeout waiting for CROS_EC sync\n",
__func__);
return -1;