Commit 1f732863 authored by Vadim Pasternak's avatar Vadim Pasternak Committed by David S. Miller
Browse files

mlxsw: i2c: Utilize standard macros for dividing buffer into chunks 



Use standard macro DIV_ROUND_UP() to determine the number of chunks
required for a given buffer.

Signed-off-by: default avatarVadim Pasternak <vadimp@nvidia.com>
Reviewed-by: default avatarIdo Schimmel <idosch@nvidia.com>
Signed-off-by: default avatarPetr Machata <petrm@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7afc79e2

drivers/net/ethernet/mellanox/mlxsw/i2c.c

+1 −3
Original line number Diff line number Diff line
@@ -424,9 +424,7 @@ mlxsw_i2c_cmd(struct device *dev, u16 opcode, u32 in_mod, size_t in_mbox_size, 


	if (in_mbox) {

		reg_size = mlxsw_i2c_get_reg_size(in_mbox);

		num = reg_size / mlxsw_i2c->block_size;

		if (reg_size % mlxsw_i2c->block_size)

			num++;

		num = DIV_ROUND_UP(reg_size, mlxsw_i2c->block_size);



		if (mutex_lock_interruptible(&mlxsw_i2c->cmd.lock) < 0) {

			dev_err(&client->dev, "Could not acquire lock");