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i2c: mlxcpld: Reduce polling time for performance improvement

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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: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Vadim Pasternak 2021-08-23 17:45:03 +03:00 committed by Wolfram Sang
parent d56baf6efa
commit 669b2e4aa1
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/busses/i2c-mlxcpld.c
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@ -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