spi/spi-fsl-spi: Introduce a type for the driver

For being able to distinguishing between the regular type of cores and others
with different entries in of_fsl_spi_match.

Acked-by: Anton Vorontsov <anton@enomsg.org>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

2 files changed, 34 insertions, 7 deletions

diff --git a/drivers/spi/spi-fsl-lib.h b/drivers/spi/spi-fsl-lib.h
index eae54b666907..5a9c36c7cb68 100644
--- a/drivers/spi/spi-fsl-lib.h
+++ b/drivers/spi/spi-fsl-lib.h
@@ -70,6 +70,8 @@ struct mpc8xxx_spi {
         unsigned int flags;
 
 #ifdef CONFIG_SPI_FSL_SPI
+        int type;
+
         void (*set_shifts)(u32 *rx_shift, u32 *tx_shift,
                            int bits_per_word, int msb_first);
 #endif
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index aba00fd0791f..b9064434e0f7 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -39,6 +39,37 @@
 #include "spi-fsl-cpm.h"
 #include "spi-fsl-spi.h"
 
+#define TYPE_FSL        0
+
+struct fsl_spi_match_data {
+        int type;
+};
+
+static struct fsl_spi_match_data of_fsl_spi_fsl_config = {
+        .type = TYPE_FSL,
+};
+
+static struct of_device_id of_fsl_spi_match[] = {
+        {
+                .compatible = "fsl,spi",
+                .data = &of_fsl_spi_fsl_config,
+        },
+        {}
+};
+MODULE_DEVICE_TABLE(of, of_fsl_spi_match);
+
+static int fsl_spi_get_type(struct device *dev)
+{
+        const struct of_device_id *match;
+
+        if (dev->of_node) {
+                match = of_match_node(of_fsl_spi_match, dev->of_node);
+                if (match && match->data)
+                        return ((struct fsl_spi_match_data *)match->data)->type;
+        }
+        return TYPE_FSL;
+}
+
 static void fsl_spi_change_mode(struct spi_device *spi)
 {
         struct mpc8xxx_spi *mspi = spi_master_get_devdata(spi->master);
@@ -489,7 +520,7 @@ static struct spi_master * fsl_spi_probe(struct device *dev,
         mpc8xxx_spi = spi_master_get_devdata(master);
         mpc8xxx_spi->spi_do_one_msg = fsl_spi_do_one_msg;
         mpc8xxx_spi->spi_remove = fsl_spi_remove;
-
+        mpc8xxx_spi->type = fsl_spi_get_type(dev);
 
         ret = fsl_spi_cpm_init(mpc8xxx_spi);
         if (ret)
@@ -714,12 +745,6 @@ static int of_fsl_spi_remove(struct platform_device *ofdev)
         return 0;
 }
 
-static const struct of_device_id of_fsl_spi_match[] = {
-        { .compatible = "fsl,spi" },
-        {}
-};
-MODULE_DEVICE_TABLE(of, of_fsl_spi_match);
-
 static struct platform_driver of_fsl_spi_driver = {
         .driver = {
                 .name = "fsl_spi",