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: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

diff --git a/drivers/i2c/busses/i2c-mlxcpld.c b/drivers/i2c/busses/i2c-mlxcpld.c
index 4e0b7c2..520db32 100644 (file)
--- a/drivers/i2c/busses/i2c-mlxcpld.c
+++ b/drivers/i2c/busses/i2c-mlxcpld.c
@@ -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