diff options
| -rw-r--r-- | drivers/fsi/fsi-master-aspeed.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c index f503f64ab32b..2531e826ba8b 100644 --- a/drivers/fsi/fsi-master-aspeed.c +++ b/drivers/fsi/fsi-master-aspeed.c @@ -87,6 +87,7 @@ static const u32 fsi_base = 0xa0000000; #define FSI_DIVISOR_DEFAULT 1 #define FSI_DIVISOR_CABLED 2 static u16 aspeed_fsi_divisor = FSI_DIVISOR_DEFAULT; +module_param_named(bus_div,aspeed_fsi_divisor, ushort, 0); #define OPB_POLL_TIMEOUT 10000 @@ -454,9 +455,12 @@ static int tacoma_cabled_fsi_fixup(struct device *dev) if (gpio) { /* * Cable signal integrity means we should run the bus - * slightly slower + * slightly slower. Do not override if a kernel param + * has already overridden. */ - aspeed_fsi_divisor = FSI_DIVISOR_CABLED; + if (aspeed_fsi_divisor == FSI_DIVISOR_DEFAULT) + aspeed_fsi_divisor = FSI_DIVISOR_CABLED; + gpiod_direction_output(mux_gpio, 0); dev_info(dev, "FSI configured for external cable\n"); } else { |