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spi: dw: Add a symbols namespace for the core module

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The exported from the DW SPI driver core/DMA symbols are only used by the
spi-dw-{mmio,pci,bt1}.o objects. Add these symbols to a separate
namespace then and make sure the depended modules have it imported.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20211115181917.7521-2-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Serge Semin 2021-11-15 21:19:11 +03:00 committed by Mark Brown
parent f7d344f218
commit a62bacba81
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
5 changed files with 13 additions and 9 deletions
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1
drivers/spi/spi-dw-bt1.c
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@ -339,3 +339,4 @@ module_platform_driver(dw_spi_bt1_driver);
MODULE_AUTHOR("Serge Semin <Sergey.Semin@baikalelectronics.ru>");
MODULE_DESCRIPTION("Baikal-T1 System Boot SPI Controller driver");
MODULE_LICENSE("GPL v2");
MODULE_IMPORT_NS(SPI_DW_CORE);

14
drivers/spi/spi-dw-core.c
View File

@ -106,7 +106,7 @@ void dw_spi_set_cs(struct spi_device *spi, bool enable)
else
dw_writel(dws, DW_SPI_SER, 0);
}
EXPORT_SYMBOL_GPL(dw_spi_set_cs);
EXPORT_SYMBOL_NS_GPL(dw_spi_set_cs, SPI_DW_CORE);
/* Return the max entries we can fill into tx fifo */
static inline u32 tx_max(struct dw_spi *dws)
@ -210,7 +210,7 @@ int dw_spi_check_status(struct dw_spi *dws, bool raw)
return ret;
}
EXPORT_SYMBOL_GPL(dw_spi_check_status);
EXPORT_SYMBOL_NS_GPL(dw_spi_check_status, SPI_DW_CORE);
static irqreturn_t dw_spi_transfer_handler(struct dw_spi *dws)
{
@ -345,7 +345,7 @@ void dw_spi_update_config(struct dw_spi *dws, struct spi_device *spi,
dws->cur_rx_sample_dly = chip->rx_sample_dly;
}
}
EXPORT_SYMBOL_GPL(dw_spi_update_config);
EXPORT_SYMBOL_NS_GPL(dw_spi_update_config, SPI_DW_CORE);
static void dw_spi_irq_setup(struct dw_spi *dws)
{
@ -945,7 +945,7 @@ err_free_master:
spi_controller_put(master);
return ret;
}
EXPORT_SYMBOL_GPL(dw_spi_add_host);
EXPORT_SYMBOL_NS_GPL(dw_spi_add_host, SPI_DW_CORE);
void dw_spi_remove_host(struct dw_spi *dws)
{
@ -960,7 +960,7 @@ void dw_spi_remove_host(struct dw_spi *dws)
free_irq(dws->irq, dws->master);
}
EXPORT_SYMBOL_GPL(dw_spi_remove_host);
EXPORT_SYMBOL_NS_GPL(dw_spi_remove_host, SPI_DW_CORE);
int dw_spi_suspend_host(struct dw_spi *dws)
{
@ -973,14 +973,14 @@ int dw_spi_suspend_host(struct dw_spi *dws)
spi_shutdown_chip(dws);
return 0;
}
EXPORT_SYMBOL_GPL(dw_spi_suspend_host);
EXPORT_SYMBOL_NS_GPL(dw_spi_suspend_host, SPI_DW_CORE);
int dw_spi_resume_host(struct dw_spi *dws)
{
spi_hw_init(&dws->master->dev, dws);
return spi_controller_resume(dws->master);
}
EXPORT_SYMBOL_GPL(dw_spi_resume_host);
EXPORT_SYMBOL_NS_GPL(dw_spi_resume_host, SPI_DW_CORE);
MODULE_AUTHOR("Feng Tang <feng.tang@intel.com>");
MODULE_DESCRIPTION("Driver for DesignWare SPI controller core");

5
drivers/spi/spi-dw-dma.c
View File

@ -10,6 +10,7 @@
#include <linux/dmaengine.h>
#include <linux/irqreturn.h>
#include <linux/jiffies.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/platform_data/dma-dw.h>
#include <linux/spi/spi.h>
@ -638,7 +639,7 @@ void dw_spi_dma_setup_mfld(struct dw_spi *dws)
{
dws->dma_ops = &dw_spi_dma_mfld_ops;
}
EXPORT_SYMBOL_GPL(dw_spi_dma_setup_mfld);
EXPORT_SYMBOL_NS_GPL(dw_spi_dma_setup_mfld, SPI_DW_CORE);
static const struct dw_spi_dma_ops dw_spi_dma_generic_ops = {
.dma_init = dw_spi_dma_init_generic,
@ -653,4 +654,4 @@ void dw_spi_dma_setup_generic(struct dw_spi *dws)
{
dws->dma_ops = &dw_spi_dma_generic_ops;
}
EXPORT_SYMBOL_GPL(dw_spi_dma_setup_generic);
EXPORT_SYMBOL_NS_GPL(dw_spi_dma_setup_generic, SPI_DW_CORE);

1
drivers/spi/spi-dw-mmio.c
View File

@ -377,3 +377,4 @@ module_platform_driver(dw_spi_mmio_driver);
MODULE_AUTHOR("Jean-Hugues Deschenes <jean-hugues.deschenes@octasic.com>");
MODULE_DESCRIPTION("Memory-mapped I/O interface driver for DW SPI Core");
MODULE_LICENSE("GPL v2");
MODULE_IMPORT_NS(SPI_DW_CORE);

1
drivers/spi/spi-dw-pci.c
View File

@ -213,3 +213,4 @@ module_pci_driver(dw_spi_driver);
MODULE_AUTHOR("Feng Tang <feng.tang@intel.com>");
MODULE_DESCRIPTION("PCI interface driver for DW SPI Core");
MODULE_LICENSE("GPL v2");
MODULE_IMPORT_NS(SPI_DW_CORE);