diff options
| author | Andreas Larsson <andreas@gaisler.com> | 2013-02-15 19:52:24 +0400 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2013-04-07 13:07:55 +0400 |
| commit | c3f3e7717f1cf01d9117a98ed89decc41d7cb5db (patch) | |
| tree | 3bb80cad2273ddaa68edfd0e49be7f3920c79427 | |
| parent | b48c4e3c944e8c52dcb0f477e9d80da045c7cab4 (diff) | |
| download | linux-c3f3e7717f1cf01d9117a98ed89decc41d7cb5db.tar.xz | |
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>
| -rw-r--r-- | drivers/spi/spi-fsl-lib.h | 2 | ||||
| -rw-r--r-- | drivers/spi/spi-fsl-spi.c | 39 |
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", |