Implementing the hardware recommendation to toggle the chipset reset.
Fixes: 566f5ca97680 ("mei: Add transport driver for IVSC device") Cc: stable@vger.kernel.org # for 6.8+ Signed-off-by: Wentong Wu wentong.wu@intel.com Tested-by: Jason Chen jason.z.chen@intel.com --- drivers/misc/mei/vsc-tp.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c index e6a98dba8a73..dcab5174bf00 100644 --- a/drivers/misc/mei/vsc-tp.c +++ b/drivers/misc/mei/vsc-tp.c @@ -350,6 +350,8 @@ void vsc_tp_reset(struct vsc_tp *tp) disable_irq(tp->spi->irq);
/* toggle reset pin */ + gpiod_set_value_cansleep(tp->resetfw, 1); + msleep(VSC_TP_RESET_PIN_TOGGLE_INTERVAL_MS); gpiod_set_value_cansleep(tp->resetfw, 0); msleep(VSC_TP_RESET_PIN_TOGGLE_INTERVAL_MS); gpiod_set_value_cansleep(tp->resetfw, 1);