X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=drivers%2Fspi%2Fmpc8xxx_spi.c;h=0d59c361513319f796ac6bf82671616d07b67625;hb=3d799c7f5e0dd2bea3f4ec839ad7692f7122d992;hp=4e46041dfff5df76c98561d161daa4a13790acd5;hpb=5675b509165b67465a20e5cf71e07f40b449ef0c;p=karo-tx-uboot.git diff --git a/drivers/spi/mpc8xxx_spi.c b/drivers/spi/mpc8xxx_spi.c index 4e46041dff..0d59c36151 100644 --- a/drivers/spi/mpc8xxx_spi.c +++ b/drivers/spi/mpc8xxx_spi.c @@ -2,23 +2,7 @@ * Copyright (c) 2006 Ben Warren, Qstreams Networks Inc. * With help from the common/soft_spi and arch/powerpc/cpu/mpc8260 drivers * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 @@ -45,13 +29,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - slave = malloc(sizeof(struct spi_slave)); + slave = spi_alloc_slave_base(bus, cs); if (!slave) return NULL; - slave->bus = bus; - slave->cs = cs; - /* * TODO: Some of the code in spi_init() should probably move * here, or into spi_claim_bus() below. @@ -96,7 +77,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, { volatile spi8xxx_t *spi = &((immap_t *) (CONFIG_SYS_IMMR))->spi; unsigned int tmpdout, tmpdin, event; - int numBlks = bitlen / 32 + (bitlen % 32 ? 1 : 0); + int numBlks = DIV_ROUND_UP(bitlen, 32); int tm, isRead = 0; unsigned char charSize = 32; @@ -129,10 +110,10 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, if (bitlen <= 16) { if (bitlen <= 4) spi->mode = (spi->mode & 0xff0fffff) | - (3 << 20); + (3 << 20); else spi->mode = (spi->mode & 0xff0fffff) | - ((bitlen - 1) << 20); + ((bitlen - 1) << 20); } else { spi->mode = (spi->mode & 0xff0fffff); /* Set up the next iteration if sending > 32 bits */