spi: fsl-(e)spi: Support compile as module

Signed-off-by: Esben Haabendal <eha@deif.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

4 files changed, 25 insertions, 6 deletions

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 99829985c1a1..468d13ce510b 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -279,7 +279,7 @@ config SPI_FSL_CPM
         depends on FSL_SOC
 
 config SPI_FSL_SPI
-        bool "Freescale SPI controller and Aeroflex Gaisler GRLIB SPI controller"
+        tristate "Freescale SPI controller and Aeroflex Gaisler GRLIB SPI controller"
         depends on OF
         select SPI_FSL_LIB
         select SPI_FSL_CPM if FSL_SOC
@@ -300,7 +300,7 @@ config SPI_FSL_DSPI
           mode. VF610 platform uses the controller.
 
 config SPI_FSL_ESPI
-        bool "Freescale eSPI controller"
+        tristate "Freescale eSPI controller"
         depends on FSL_SOC
         select SPI_FSL_LIB
         help
diff --git a/drivers/spi/spi-fsl-cpm.c b/drivers/spi/spi-fsl-cpm.c
index e85ab1cb17a2..9c46a3058743 100644
--- a/drivers/spi/spi-fsl-cpm.c
+++ b/drivers/spi/spi-fsl-cpm.c
@@ -20,6 +20,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/fsl_devices.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/of_address.h>
 #include <linux/spi/spi.h>
 #include <linux/types.h>
@@ -68,6 +69,7 @@ void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi)
                 }
         }
 }
+EXPORT_SYMBOL_GPL(fsl_spi_cpm_reinit_txrx);
 
 static void fsl_spi_cpm_bufs_start(struct mpc8xxx_spi *mspi)
 {
@@ -162,6 +164,7 @@ err_rx_dma:
                 dma_unmap_single(dev, mspi->tx_dma, t->len, DMA_TO_DEVICE);
         return -ENOMEM;
 }
+EXPORT_SYMBOL_GPL(fsl_spi_cpm_bufs);
 
 void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi)
 {
@@ -174,6 +177,7 @@ void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi)
                 dma_unmap_single(dev, mspi->rx_dma, t->len, DMA_FROM_DEVICE);
         mspi->xfer_in_progress = NULL;
 }
+EXPORT_SYMBOL_GPL(fsl_spi_cpm_bufs_complete);
 
 void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events)
 {
@@ -198,6 +202,7 @@ void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events)
         else
                 complete(&mspi->done);
 }
+EXPORT_SYMBOL_GPL(fsl_spi_cpm_irq);
 
 static void *fsl_spi_alloc_dummy_rx(void)
 {
@@ -375,6 +380,7 @@ err_pram:
         fsl_spi_free_dummy_rx();
         return -ENOMEM;
 }
+EXPORT_SYMBOL_GPL(fsl_spi_cpm_init);
 
 void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi)
 {
@@ -389,3 +395,6 @@ void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi)
         cpm_muram_free(cpm_muram_offset(mspi->pram));
         fsl_spi_free_dummy_rx();
 }
+EXPORT_SYMBOL_GPL(fsl_spi_cpm_free);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/spi/spi-fsl-lib.c b/drivers/spi/spi-fsl-lib.c
index 9d3f9e097861..cb35d2f0d0e6 100644
--- a/drivers/spi/spi-fsl-lib.c
+++ b/drivers/spi/spi-fsl-lib.c
@@ -21,6 +21,7 @@
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/of_platform.h>
 #include <linux/spi/spi.h>
 #ifdef CONFIG_FSL_SOC
@@ -35,7 +36,8 @@ void mpc8xxx_spi_rx_buf_##type(u32 data, struct mpc8xxx_spi *mpc8xxx_spi) \
         type *rx = mpc8xxx_spi->rx;                                       \
         *rx++ = (type)(data >> mpc8xxx_spi->rx_shift);                    \
         mpc8xxx_spi->rx = rx;                                             \
-}
+}                                                                         \
+EXPORT_SYMBOL_GPL(mpc8xxx_spi_rx_buf_##type);
 
 #define MPC8XXX_SPI_TX_BUF(type)                                \
 u32 mpc8xxx_spi_tx_buf_##type(struct mpc8xxx_spi *mpc8xxx_spi)  \
@@ -47,7 +49,8 @@ u32 mpc8xxx_spi_tx_buf_##type(struct mpc8xxx_spi *mpc8xxx_spi)	\
         data = *tx++ << mpc8xxx_spi->tx_shift;                  \
         mpc8xxx_spi->tx = tx;                                   \
         return data;                                            \
-}
+}                                                               \
+EXPORT_SYMBOL_GPL(mpc8xxx_spi_tx_buf_##type);
 
 MPC8XXX_SPI_RX_BUF(u8)
 MPC8XXX_SPI_RX_BUF(u16)
@@ -60,6 +63,7 @@ struct mpc8xxx_spi_probe_info *to_of_pinfo(struct fsl_spi_platform_data *pdata)
 {
         return container_of(pdata, struct mpc8xxx_spi_probe_info, pdata);
 }
+EXPORT_SYMBOL_GPL(to_of_pinfo);
 
 const char *mpc8xxx_spi_strmode(unsigned int flags)
 {
@@ -75,6 +79,7 @@ const char *mpc8xxx_spi_strmode(unsigned int flags)
         }
         return "CPU";
 }
+EXPORT_SYMBOL_GPL(mpc8xxx_spi_strmode);
 
 void mpc8xxx_spi_probe(struct device *dev, struct resource *mem,
                         unsigned int irq)
@@ -107,6 +112,7 @@ void mpc8xxx_spi_probe(struct device *dev, struct resource *mem,
 
         init_completion(&mpc8xxx_spi->done);
 }
+EXPORT_SYMBOL_GPL(mpc8xxx_spi_probe);
 
 int mpc8xxx_spi_remove(struct device *dev)
 {
@@ -125,6 +131,7 @@ int mpc8xxx_spi_remove(struct device *dev)
 
         return 0;
 }
+EXPORT_SYMBOL_GPL(mpc8xxx_spi_remove);
 
 int of_mpc8xxx_spi_probe(struct platform_device *ofdev)
 {
@@ -171,3 +178,6 @@ int of_mpc8xxx_spi_probe(struct platform_device *ofdev)
 
         return 0;
 }
+EXPORT_SYMBOL_GPL(of_mpc8xxx_spi_probe);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/spi/spi-fsl-lib.h b/drivers/spi/spi-fsl-lib.h
index b4ed04e8862f..1326a392adca 100644
--- a/drivers/spi/spi-fsl-lib.h
+++ b/drivers/spi/spi-fsl-lib.h
@@ -28,7 +28,7 @@ struct mpc8xxx_spi {
         /* rx & tx bufs from the spi_transfer */
         const void *tx;
         void *rx;
-#ifdef CONFIG_SPI_FSL_ESPI
+#if IS_ENABLED(CONFIG_SPI_FSL_ESPI)
         int len;
 #endif
 
@@ -68,7 +68,7 @@ struct mpc8xxx_spi {
 
         unsigned int flags;
 
-#ifdef CONFIG_SPI_FSL_SPI
+#if IS_ENABLED(CONFIG_SPI_FSL_SPI)
         int type;
         int native_chipselects;
         u8 max_bits_per_word;