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cros_ec: Increase command timeout for flash erase

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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>
This commit is contained in:
Simon Glass
2020-11-09 07:14:44 -07:00
parent d237e9c7c0
commit 4cb862fe28
1 changed files with 4 additions and 1 deletions
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5
drivers/misc/cros_ec_lpc.c
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@@ -25,13 +25,16 @@
#define debug_trace(fmt, b...) #define debug_trace(fmt, b...)
#endif #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) static int wait_for_sync(struct cros_ec_dev *dev)
{ {
unsigned long start; unsigned long start;
start = get_timer(0); start = get_timer(0);
while (inb(EC_LPC_ADDR_HOST_CMD) & EC_LPC_STATUS_BUSY_MASK) { 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", debug("%s: Timeout waiting for CROS_EC sync\n",
__func__); __func__);
return -1; return -1;