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

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

Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vadim Pasternak 2023-09-22 19:18:38 +02:00 committed by David S. Miller
parent 7afc79e20e
commit 1f73286371
1 changed files with 1 additions and 3 deletions
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4
drivers/net/ethernet/mellanox/mlxsw/i2c.c
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@ -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");