spi/imx: make spi_imx_data.devtype_data member point to const data
This prepares *of_device_id.data becoming const. Without this change the
following warning would occur:
drivers/spi/spi-imx.c: In function spi_imx_probe:
drivers/spi/spi-imx.c:814:24: warning: assignment discards const qualifier from pointer target type [enabled by default]
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index e834ff8..3bd9c69 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -97,7 +97,7 @@
const void *tx_buf;
unsigned int txfifo; /* number of words pushed in tx FIFO */
- struct spi_imx_devtype_data *devtype_data;
+ const struct spi_imx_devtype_data *devtype_data;
int chipselect[0];
};