Merge remote-tracking branch 'spi/fix/grant' into spi-linus

3 files changed, 9 insertions, 6 deletions

diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index d8cb7da65efe..380387a47b1d 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1408,8 +1408,8 @@ static int atmel_spi_transfer(struct spi_device *spi, struct spi_message *msg)
                 }
 
                 /* FIXME implement these protocol options!! */
-                if (xfer->speed_hz) {
-                        dev_dbg(&spi->dev, "no protocol options yet\n");
+                if (xfer->speed_hz < spi->max_speed_hz) {
+                        dev_dbg(&spi->dev, "can't change speed in transfer\n");
                         return -ENOPROTOOPT;
                 }
 
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 2e8f24a1fb95..50b13c9b1ab6 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -784,7 +784,7 @@ static const struct of_device_id davinci_spi_of_match[] = {
         },
         { },
 };
-MODULE_DEVICE_TABLE(of, davini_spi_of_match);
+MODULE_DEVICE_TABLE(of, davinci_spi_of_match);
 
 /**
  * spi_davinci_get_pdata - Get platform data from DTS binding
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 163fd802b7ac..32b7bb111eb6 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -334,7 +334,7 @@ struct spi_device *spi_alloc_device(struct spi_master *master)
         spi->dev.parent = &master->dev;
         spi->dev.bus = &spi_bus_type;
         spi->dev.release = spidev_release;
-        spi->cs_gpio = -EINVAL;
+        spi->cs_gpio = -ENOENT;
         device_initialize(&spi->dev);
         return spi;
 }
@@ -1067,8 +1067,11 @@ static int of_spi_register_master(struct spi_master *master)
         nb = of_gpio_named_count(np, "cs-gpios");
         master->num_chipselect = max(nb, (int)master->num_chipselect);
 
-        if (nb < 1)
+        /* Return error only for an incorrectly formed cs-gpios property */
+        if (nb == 0 || nb == -ENOENT)
                 return 0;
+        else if (nb < 0)
+                return nb;
 
         cs = devm_kzalloc(&master->dev,
                           sizeof(int) * master->num_chipselect,
@@ -1079,7 +1082,7 @@ static int of_spi_register_master(struct spi_master *master)
                 return -ENOMEM;
 
         for (i = 0; i < master->num_chipselect; i++)
-                cs[i] = -EINVAL;
+                cs[i] = -ENOENT;
 
         for (i = 0; i < nb; i++)
                 cs[i] = of_get_named_gpio(np, "cs-gpios", i);