X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fspi%2Ffsl_espi.c;h=7c845827627bc2a276e326f7119fab2c485fffc9;hb=3f56795635ab419d3378451a9291490cfa47f472;hp=a1ebd330d7bae5c2cc5a0e1c82da06ac68bae50c;hpb=606a76f8ef479e42ae4d06f8f3ce87e9a1c72acf;p=u-boot

diff --git a/drivers/spi/fsl_espi.c b/drivers/spi/fsl_espi.c
index a1ebd330d7..7c84582762 100644
--- a/drivers/spi/fsl_espi.c
+++ b/drivers/spi/fsl_espi.c
@@ -4,20 +4,7 @@
  * Copyright 2010-2011 Freescale Semiconductor, Inc.
  * Author: Mingkai Hu (Mingkai.hu@freescale.com)
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -79,18 +66,16 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 	if (!spi_cs_is_valid(bus, cs))
 		return NULL;
 
-	fsl = malloc(sizeof(struct fsl_spi_slave));
+	fsl = spi_alloc_slave(struct fsl_spi_slave, bus, cs);
 	if (!fsl)
 		return NULL;
 
-	fsl->slave.bus = bus;
-	fsl->slave.cs = cs;
 	fsl->mode = mode;
 	fsl->max_transfer_length = ESPI_MAX_DATA_TRANSFER_LEN;
 
 	/* Set eSPI BRG clock source */
 	get_sys_info(&sysinfo);
-	spibrg = sysinfo.freqSystemBus / 2;
+	spibrg = sysinfo.freq_systembus / 2;
 	fsl->div16 = 0;
 	if ((spibrg / max_hz) > 32) {
 		fsl->div16 = ESPI_CSMODE_DIV16;
@@ -216,10 +201,8 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *data_out,
 			return 1;
 		}
 		memcpy(buffer, cmd_buf, cmd_len);
-		if (cmd_len != 1) {
-			if (data_in == NULL)
-				memcpy(buffer + cmd_len, data_out, data_len);
-		}
+		if (data_in == NULL)
+			memcpy(buffer + cmd_len, data_out, data_len);
 		break;
 	case SPI_XFER_BEGIN | SPI_XFER_END:
 		len = data_len;
@@ -238,15 +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);