diff options
Diffstat (limited to 'drivers/fsi/fsi-core.c')
| -rw-r--r-- | drivers/fsi/fsi-core.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 4c03d6933646..a3f0d41f4c59 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -190,7 +190,7 @@ static int fsi_slave_calc_addr(struct fsi_slave *slave, uint32_t *addrp, static int fsi_slave_report_and_clear_errors(struct fsi_slave *slave) { struct fsi_master *master = slave->master; - uint32_t irq, stat; + __be32 irq, stat; int rc, link; uint8_t id; @@ -390,7 +390,6 @@ static struct device_node *fsi_device_find_of_node(struct fsi_device *dev) static int fsi_slave_scan(struct fsi_slave *slave) { uint32_t engine_addr; - uint32_t conf; int rc, i; /* @@ -404,15 +403,17 @@ static int fsi_slave_scan(struct fsi_slave *slave) for (i = 2; i < engine_page_size / sizeof(uint32_t); i++) { uint8_t slots, version, type, crc; struct fsi_device *dev; + uint32_t conf; + __be32 data; - rc = fsi_slave_read(slave, (i + 1) * sizeof(conf), - &conf, sizeof(conf)); + rc = fsi_slave_read(slave, (i + 1) * sizeof(data), + &data, sizeof(data)); if (rc) { dev_warn(&slave->dev, "error reading slave registers\n"); return -1; } - conf = be32_to_cpu(conf); + conf = be32_to_cpu(data); crc = crc4(0, conf, 32); if (crc) { @@ -597,15 +598,16 @@ static uint32_t fsi_slave_smode(int id) static int fsi_slave_set_smode(struct fsi_master *master, int link, int id) { uint32_t smode; + __be32 data; /* set our smode register with the slave ID field to 0; this enables * extended slave addressing */ smode = fsi_slave_smode(id); - smode = cpu_to_be32(smode); + data = cpu_to_be32(smode); return fsi_master_write(master, link, id, FSI_SLAVE_BASE + FSI_SMODE, - &smode, sizeof(smode)); + &data, sizeof(data)); } static void fsi_slave_release(struct device *dev) @@ -661,9 +663,10 @@ static struct device_node *fsi_slave_find_of_node(struct fsi_master *master, static int fsi_slave_init(struct fsi_master *master, int link, uint8_t id) { - uint32_t chip_id, llmode; + uint32_t chip_id; struct fsi_slave *slave; uint8_t crc; + __be32 data, llmode; int rc; /* Currently, we only support single slaves on a link, and use the @@ -672,13 +675,13 @@ static int fsi_slave_init(struct fsi_master *master, int link, uint8_t id) if (id != 0) return -EINVAL; - rc = fsi_master_read(master, link, id, 0, &chip_id, sizeof(chip_id)); + rc = fsi_master_read(master, link, id, 0, &data, sizeof(data)); if (rc) { dev_dbg(&master->dev, "can't read slave %02x:%02x %d\n", link, id, rc); return -ENODEV; } - chip_id = be32_to_cpu(chip_id); + chip_id = be32_to_cpu(data); crc = crc4(0, chip_id, 32); if (crc) { |