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spi: fsl_espi: Use DIV_ROUND_UP instead of open-coded

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Use DIV_ROUND_UP to simplify the code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
This commit is contained in:
Axel Lin 2013-07-12 17:41:08 +08:00 • committed by Jagannadha Sutradharudu Teki
parent d05bfd0586
commit a444aa7a1c
1 changed files with 2 additions and 4 deletions
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6
drivers/spi/fsl_espi.c
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@ -221,15 +221,13 @@ 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);