Merge remote-tracking branches 'spi/fix/complete', 'spi/fix/efm32', 'spi/fix/omap2...

[linux-2.6-microblaze.git] / drivers / spi / spi-txx9.c

diff --git a/drivers/spi/spi-txx9.c b/drivers/spi/spi-txx9.c
index 57a1497..5f183ba 100644 (file)
--- a/drivers/spi/spi-txx9.c
+++ b/drivers/spi/spi-txx9.c
@@ -80,7 +80,6 @@ struct txx9spi {
        void __iomem *membase;
        int baseclk;
        struct clk *clk;
-       u32 max_speed_hz, min_speed_hz;
        int last_chipselect;
        int last_chipselect_val;
 };
@@ -117,9 +116,7 @@ static int txx9spi_setup(struct spi_device *spi)
 {
        struct txx9spi *c = spi_master_get_devdata(spi->master);
 
-       if (!spi->max_speed_hz
-                       || spi->max_speed_hz > c->max_speed_hz
-                       || spi->max_speed_hz < c->min_speed_hz)
+       if (!spi->max_speed_hz)
                return -EINVAL;
 
        if (gpio_direction_output(spi->chip_select,
@@ -310,15 +307,8 @@ static int txx9spi_transfer(struct spi_device *spi, struct spi_message *m)
 
        /* check each transfer's parameters */
        list_for_each_entry(t, &m->transfers, transfer_list) {
-               u32 speed_hz = t->speed_hz ? : spi->max_speed_hz;
-               u8 bits_per_word = t->bits_per_word;
-
                if (!t->tx_buf && !t->rx_buf && t->len)
                        return -EINVAL;
-               if (t->len & ((bits_per_word >> 3) - 1))
-                       return -EINVAL;
-               if (speed_hz < c->min_speed_hz || speed_hz > c->max_speed_hz)
-                       return -EINVAL;
        }
 
        spin_lock_irqsave(&c->lock, flags);
@@ -361,17 +351,12 @@ static int txx9spi_probe(struct platform_device *dev)
                goto exit;
        }
        c->baseclk = clk_get_rate(c->clk);
-       c->min_speed_hz = DIV_ROUND_UP(c->baseclk, SPI_MAX_DIVIDER + 1);
-       c->max_speed_hz = c->baseclk / (SPI_MIN_DIVIDER + 1);
+       master->min_speed_hz = DIV_ROUND_UP(c->baseclk, SPI_MAX_DIVIDER + 1);
+       master->max_speed_hz = c->baseclk / (SPI_MIN_DIVIDER + 1);
 
        res = platform_get_resource(dev, IORESOURCE_MEM, 0);
-       if (!res)
-               goto exit_busy;
-       if (!devm_request_mem_region(&dev->dev, res->start, resource_size(res),
-                                    "spi_txx9"))
-               goto exit_busy;
-       c->membase = devm_ioremap(&dev->dev, res->start, resource_size(res));
-       if (!c->membase)
+       c->membase = devm_ioremap_resource(&dev->dev, res);
+       if (IS_ERR(c->membase))
                goto exit_busy;
 
        /* enter config mode */