[U-Boot] [PATCH 2/3] spi: fsl_espi: Use DIV_ROUND_UP instead of open-coded
Jagan Teki
jagannadh.teki at gmail.com
Tue Aug 6 20:56:01 CEST 2013
On 07-08-2013 00:19, Jagan Teki wrote:
> On 12-07-2013 15:11, Axel Lin wrote:
>> Use DIV_ROUND_UP to simplify the code.
>>
>> Signed-off-by: Axel Lin <axel.lin at ingics.com>
>> ---
>> drivers/spi/fsl_espi.c | 6 ++----
>> 1 file changed, 2 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/spi/fsl_espi.c b/drivers/spi/fsl_espi.c
>> index 28609ee..e20ab9f 100644
>> --- a/drivers/spi/fsl_espi.c
>> +++ b/drivers/spi/fsl_espi.c
>> @@ -234,15 +234,13 @@ int spi_xfer(struct spi_slave *slave, unsigned
>> int bitlen, const void *data_out,
>> slave->bus, slave->cs, *(uint *) dout,
>> dout, *(uint *) din, din, len);
>>
>> - num_chunks = data_len / max_tran_len +
>> - (data_len % max_tran_len ? 1 : 0);
>> + num_chunks = DIV_ROUND_UP(data_len, max_tran_len);
>> while (num_chunks--) {
>> if (data_in)
>> din = buffer + rx_offset;
>> dout = buffer;
>> tran_len = min(data_len , max_tran_len);
>> - num_blks = (tran_len + cmd_len) / 4 +
>> - ((tran_len + cmd_len) % 4 ? 1 : 0);
>> + num_blks = DIV_ROUND_UP(tran_len + cmd_len, 4);
>> num_bytes = (tran_len + cmd_len) % 4;
>> fsl->data_len = tran_len + cmd_len;
>> spi_cs_activate(slave);
>>
>
> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki at gmail.com>
>
> --
> Thanks,
> Jagan.
Applied to u-boot-spi/master
--
Thanks,
Jagan.
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