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From: Axel Lin <axel.lin@ingics.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/3] spi: fsl_espi: Use DIV_ROUND_UP instead of open-coded
Date: Fri, 12 Jul 2013 17:41:08 +0800	[thread overview]
Message-ID: <1373622068.24016.4.camel@phoenix> (raw)
In-Reply-To: <1373621981.24016.2.camel@phoenix>

Use DIV_ROUND_UP to simplify the code.

Signed-off-by: Axel Lin <axel.lin@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);
-- 
1.8.1.2

  reply	other threads:[~2013-07-12  9:41 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-12  9:39 [U-Boot] [PATCH 1/3] spi: bfin_spi: Use DIV_ROUND_UP instead of open-coded Axel Lin
2013-07-12  9:41 ` Axel Lin [this message]
2013-08-06 18:49   ` [U-Boot] [PATCH 2/3] spi: fsl_espi: " Jagan Teki
2013-08-06 18:56     ` Jagan Teki
2013-07-12  9:42 ` [U-Boot] [PATCH 3/3] spi: mpc8xxx_spi: " Axel Lin
2013-08-06 18:49   ` Jagan Teki
2013-08-06 18:55     ` Jagan Teki
2013-07-15  7:58 ` [U-Boot] [PATCH 1/3] spi: bfin_spi: " Sonic Zhang

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