hwmon: (fschmd) Fix a memleak on multiple opens of /dev/watchdog

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / spi / atmel_spi.c

diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
index 12e443c..d21c24e 100644 (file)
--- a/drivers/spi/atmel_spi.c
+++ b/drivers/spi/atmel_spi.c
@@ -189,14 +189,14 @@ static void atmel_spi_next_xfer_data(struct spi_master *master,
 
        /* use scratch buffer only when rx or tx data is unspecified */
        if (xfer->rx_buf)
-               *rx_dma = xfer->rx_dma + xfer->len - len;
+               *rx_dma = xfer->rx_dma + xfer->len - *plen;
        else {
                *rx_dma = as->buffer_dma;
                if (len > BUFFER_SIZE)
                        len = BUFFER_SIZE;
        }
        if (xfer->tx_buf)
-               *tx_dma = xfer->tx_dma + xfer->len - len;
+               *tx_dma = xfer->tx_dma + xfer->len - *plen;
        else {
                *tx_dma = as->buffer_dma;
                if (len > BUFFER_SIZE)
@@ -530,9 +530,6 @@ atmel_spi_interrupt(int irq, void *dev_id)
        return ret;
 }
 
-/* the spi->mode bits understood by this driver: */
-#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH)
-
 static int atmel_spi_setup(struct spi_device *spi)
 {
        struct atmel_spi        *as;
@@ -555,8 +552,6 @@ static int atmel_spi_setup(struct spi_device *spi)
                return -EINVAL;
        }
 
-       if (bits == 0)
-               bits = 8;
        if (bits < 8 || bits > 16) {
                dev_dbg(&spi->dev,
                                "setup: invalid bits_per_word %u (8 to 16)\n",
@@ -564,12 +559,6 @@ static int atmel_spi_setup(struct spi_device *spi)
                return -EINVAL;
        }
 
-       if (spi->mode & ~MODEBITS) {
-               dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n",
-                       spi->mode & ~MODEBITS);
-               return -EINVAL;
-       }
-
        /* see notes above re chipselect */
        if (!atmel_spi_is_v2()
                        && spi->chip_select == 0
@@ -775,6 +764,9 @@ static int __init atmel_spi_probe(struct platform_device *pdev)
        if (!master)
                goto out_free;
 
+       /* the spi->mode bits understood by this driver: */
+       master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
+
        master->bus_num = pdev->id;
        master->num_chipselect = 4;
        master->setup = atmel_spi_setup;
@@ -796,7 +788,7 @@ static int __init atmel_spi_probe(struct platform_device *pdev)
        spin_lock_init(&as->lock);
        INIT_LIST_HEAD(&as->queue);
        as->pdev = pdev;
-       as->regs = ioremap(regs->start, (regs->end - regs->start) + 1);
+       as->regs = ioremap(regs->start, resource_size(regs));
        if (!as->regs)
                goto out_free_buffer;
        as->irq = irq;