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authorThomas Gleixner <tglx@linutronix.de>2013-07-12 12:34:42 +0200
committerThomas Gleixner <tglx@linutronix.de>2013-07-12 12:34:42 +0200
commitf2006e27396f55276f24434f56e208d86e7f9908 (patch)
tree71896db916d33888b4286f80117d3cac0da40e6d /include/linux/spi/spi.h
parentMerge branch 'timers/core' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into timers/urgent (diff)
parentMerge tag 'dm-3.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm (diff)
downloadwireguard-linux-f2006e27396f55276f24434f56e208d86e7f9908.tar.xz
wireguard-linux-f2006e27396f55276f24434f56e208d86e7f9908.zip
Merge branch 'linus' into timers/urgent
Get upstream changes so we can apply fixes against them Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to '')
-rw-r--r--include/linux/spi/spi.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 6ff26c8db7b9..28e440be1c07 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -308,6 +308,9 @@ struct spi_master {
/* bitmask of supported bits_per_word for transfers */
u32 bits_per_word_mask;
+#define SPI_BPW_MASK(bits) BIT((bits) - 1)
+#define SPI_BIT_MASK(bits) (((bits) == 32) ? ~0UL : (BIT(bits) - 1))
+#define SPI_BPW_RANGE_MASK(min, max) (SPI_BIT_MASK(max) - SPI_BIT_MASK(min - 1))
/* other constraints relevant to this driver */
u16 flags;