From: Beniamino Galvani Date: Sat, 22 Nov 2014 15:21:39 +0000 (+0100) Subject: spi: core: Add spi_transfer_is_last() helper X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b671358ad7916beb7ca9e5c304ae88afc7da4557;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git spi: core: Add spi_transfer_is_last() helper This adds the function spi_transfer_is_last() which can be used by drivers to know whether a given transfer is the last one in the current message. Signed-off-by: Beniamino Galvani Signed-off-by: Mark Brown --- diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 46d188a9947c..a6ef2a8e6de4 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -1049,4 +1049,10 @@ spi_unregister_device(struct spi_device *spi) extern const struct spi_device_id * spi_get_device_id(const struct spi_device *sdev); +static inline bool +spi_transfer_is_last(struct spi_master *master, struct spi_transfer *xfer) +{ + return list_is_last(&xfer->transfer_list, &master->cur_msg->transfers); +} + #endif /* __LINUX_SPI_H */