hvc_xen: avoid uninitialized variable warning

[firefly-linux-kernel-4.4.55.git] / drivers / spi / spi-bcm2835.c

diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index f63864a893c520c40d9c79f1c8ca838b15dedc8c..37875cf942f7b928c5d31f44345b5c060f182b36 100644 (file)
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -164,13 +164,12 @@ static int bcm2835_spi_transfer_one_poll(struct spi_master *master,
                                         unsigned long xfer_time_us)
 {
        struct bcm2835_spi *bs = spi_master_get_devdata(master);
-       unsigned long timeout = jiffies +
-               max(4 * xfer_time_us * HZ / 1000000, 2uL);
+       /* set timeout to 1 second of maximum polling */
+       unsigned long timeout = jiffies + HZ;
 
        /* enable HW block without interrupts */
        bcm2835_wr(bs, BCM2835_SPI_CS, cs | BCM2835_SPI_CS_TA);
 
-       /* set timeout to 4x the expected time, or 2 jiffies */
        /* loop until finished the transfer */
        while (bs->rx_len) {
                /* read from fifo as much as possible */