Commit 669b2e4a authored by Vadim Pasternak's avatar Vadim Pasternak Committed by Wolfram Sang
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i2c: mlxcpld: Reduce polling time for performance improvement 



Decrease polling time 'MLXCPLD_I2C_POLL_TIME' from 400 usec to 200
usec. It improves performance of I2C transactions.

Reliability of setting polling time to 200 usec has been validated
across all the supported systems.

Signed-off-by: default avatarVadim Pasternak <vadimp@nvidia.com>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent d56baf6e

drivers/i2c/busses/i2c-mlxcpld.c

+1 −1
Original line number Diff line number Diff line
@@ -27,7 +27,7 @@ 
#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		400   /* usec */

#define MLXCPLD_I2C_POLL_TIME		200   /* usec */



/* LPC I2C registers */

#define MLXCPLD_LPCI2C_CPBLTY_REG	0x0