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| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2021-01-07 16:11:28 +0300 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2021-01-07 16:11:28 +0300 |
| commit | 2313f4700327fb7d6aa3989edfa5bffcd7080d36 (patch) | |
| tree | 4781ddf9b844024cede6c8e99d3d509192d977c9 /drivers/spi/spi-fsl-spi.c | |
| parent | 70612d0e121e55ea3c057c526bf7374da41aa2f0 (diff) | |
| parent | cb3cfbf79aff7decb4e5ee69a7c74864497f61dc (diff) | |
| download | linux-2313f4700327fb7d6aa3989edfa5bffcd7080d36.tar.xz | |
Merge drm/drm-next into drm-misc-next
Staying in sync to drm-next, and to be able to pull ttm fixes.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/spi/spi-fsl-spi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-spi.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c index 299e9870cf58..9494257e1c33 100644 --- a/drivers/spi/spi-fsl-spi.c +++ b/drivers/spi/spi-fsl-spi.c @@ -716,10 +716,11 @@ static int of_fsl_spi_probe(struct platform_device *ofdev) type = fsl_spi_get_type(&ofdev->dev); if (type == TYPE_FSL) { struct fsl_spi_platform_data *pdata = dev_get_platdata(dev); + bool spisel_boot = false; #if IS_ENABLED(CONFIG_FSL_SOC) struct mpc8xxx_spi_probe_info *pinfo = to_of_pinfo(pdata); - bool spisel_boot = of_property_read_bool(np, "fsl,spisel_boot"); + spisel_boot = of_property_read_bool(np, "fsl,spisel_boot"); if (spisel_boot) { pinfo->immr_spi_cs = ioremap(get_immrbase() + IMMR_SPI_CS_OFFSET, 4); if (!pinfo->immr_spi_cs) @@ -734,10 +735,14 @@ static int of_fsl_spi_probe(struct platform_device *ofdev) * supported on the GRLIB variant. */ ret = gpiod_count(dev, "cs"); - if (ret <= 0) + if (ret < 0) + ret = 0; + if (ret == 0 && !spisel_boot) { pdata->max_chipselect = 1; - else + } else { + pdata->max_chipselect = ret + spisel_boot; pdata->cs_control = fsl_spi_cs_control; + } } ret = of_address_to_resource(np, 0, &mem); |