diff options
| author |   Alan Ott <alan@signal11.us> | 2013-03-18 12:06:42 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-03-19 10:07:49 -0400 |
| commit | cf82dabd29168b19c4ac651a11010ded34785142 (patch) | |
| tree | 1458ad2dfda02cd0b743db24b4460ddec576875d /drivers/net/ieee802154 | |
| parent | mrf24j40: Warn if transmit interrupts timeout (diff) | |
| download | linux-dev-cf82dabd29168b19c4ac651a11010ded34785142.tar.xz linux-dev-cf82dabd29168b19c4ac651a11010ded34785142.zip | |
mrf24j40: Increase max SPI speed to 10MHz
Upon consulting the datasheet further, it does indicates a maximum speed
for SCK at 10MHz.
Signed-off-by: Alan Ott <alan@signal11.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ieee802154')
| -rw-r--r-- | drivers/net/ieee802154/mrf24j40.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c index 582c0a3d5773..b4f9b67b0877 100644 --- a/drivers/net/ieee802154/mrf24j40.c +++ b/drivers/net/ieee802154/mrf24j40.c @@ -92,9 +92,8 @@ struct mrf24j40 { #define MRF24J40_READLONG(reg) (1 << 15 | (reg) << 5) #define MRF24J40_WRITELONG(reg) (1 << 15 | (reg) << 5 | 1 << 4) -/* Maximum speed to run the device at. TODO: Get the real max value from - * someone at Microchip since it isn't in the datasheet. */ -#define MAX_SPI_SPEED_HZ 1000000 +/* The datasheet indicates the theoretical maximum for SCK to be 10MHz */ +#define MAX_SPI_SPEED_HZ 10000000 #define printdev(X) (&X->spi->dev) |