| Message ID | 20201210165113.6130-3-vadimp@nvidia.com |
|---|---|
| State | Accepted |
| Headers | show |
| Series | i2c: mlxcpld: Extend driver functionality and update license | expand |
On Thu, Dec 10, 2020 at 06:51:12PM +0200, Vadim Pasternak wrote: > Decrease polling time 'MLXCPLD_I2C_POLL_TIME' from 2000 usec to 400 > usec. It greatly improves performance of I2C transactions. > > Reliability of setting polling time to 400 usec has been thoroughly > validated across all the supported systems. > > Signed-off-by: Vadim Pasternak <vadimp@nvidia.com> Applied to for-next, thanks!
diff --git a/drivers/i2c/busses/i2c-mlxcpld.c b/drivers/i2c/busses/i2c-mlxcpld.c index dbd185368c38..9e45214d1eb6 100644 --- a/drivers/i2c/busses/i2c-mlxcpld.c +++ b/drivers/i2c/busses/i2c-mlxcpld.c @@ -25,7 +25,7 @@ #define MLXCPLD_I2C_MAX_ADDR_LEN 4 #define MLXCPLD_I2C_RETR_NUM 2 #define MLXCPLD_I2C_XFER_TO 500000 /* usec */ -#define MLXCPLD_I2C_POLL_TIME 2000 /* usec */ +#define MLXCPLD_I2C_POLL_TIME 400 /* usec */ /* LPC I2C registers */ #define MLXCPLD_LPCI2C_CPBLTY_REG 0x0
Decrease polling time 'MLXCPLD_I2C_POLL_TIME' from 2000 usec to 400 usec. It greatly improves performance of I2C transactions. Reliability of setting polling time to 400 usec has been thoroughly validated across all the supported systems. Signed-off-by: Vadim Pasternak <vadimp@nvidia.com> --- drivers/i2c/busses/i2c-mlxcpld.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)