spi: spidev: Convert BUILD_BUG_ON() to static_assert()

static_assert() is a preferred method to fail build when the certain
constraints are not met. Convert BUILD_BUG_ON() to static_assert().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220323140215.2568-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 53a5517..889c400 100644 (file)
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -46,6 +46,7 @@
 
 static DECLARE_BITMAP(minors, N_SPI_MINORS);
 
+static_assert(N_SPI_MINORS > 0 && N_SPI_MINORS <= 256);
 
 /* Bit masks for spi_device.mode management.  Note that incorrect
  * settings for some settings can cause *lots* of trouble for other
@@ -856,7 +857,6 @@ static int __init spidev_init(void)
         * that will key udev/mdev to add/remove /dev nodes.  Last, register
         * the driver which manages those device numbers.
         */
-       BUILD_BUG_ON(N_SPI_MINORS > 256);
        status = register_chrdev(SPIDEV_MAJOR, "spi", &spidev_fops);
        if (status < 0)
                return status;