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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-01-02 11:24:50 +0200
committerIngo Molnar <mingo@kernel.org>2017-01-05 09:03:29 +0100
commit159d3726db12b3476bc59ea0ab0a702103d466b5 (patch)
tree8972e4efa01f3030f704d2361c3dea969f775dd7 /arch
parent754c73cf4d2463022b2c9ae208026bf22564ed06 (diff)
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x86/platform/intel-mid: Rename 'spidev' to 'mrfld_spidev'
The current implementation supports only Intel Merrifield platforms. Don't mess with the rest of the Intel MID family by not registering device with wrong properties. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170102092450.87229-1-andriy.shevchenko@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/platform/intel-mid/device_libs/Makefile2
-rw-r--r--arch/x86/platform/intel-mid/device_libs/platform_mrfld_spidev.c (renamed from arch/x86/platform/intel-mid/device_libs/platform_spidev.c)4
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/platform/intel-mid/device_libs/Makefile b/arch/x86/platform/intel-mid/device_libs/Makefile
index 61b5ed2b7d40..90e4f2a6625b 100644
--- a/arch/x86/platform/intel-mid/device_libs/Makefile
+++ b/arch/x86/platform/intel-mid/device_libs/Makefile
@@ -15,7 +15,7 @@ obj-$(subst m,y,$(CONFIG_INTEL_MID_POWER_BUTTON)) += platform_msic_power_btn.o
obj-$(subst m,y,$(CONFIG_GPIO_INTEL_PMIC)) += platform_pmic_gpio.o
obj-$(subst m,y,$(CONFIG_INTEL_MFLD_THERMAL)) += platform_msic_thermal.o
# SPI Devices
-obj-$(subst m,y,$(CONFIG_SPI_SPIDEV)) += platform_spidev.o
+obj-$(subst m,y,$(CONFIG_SPI_SPIDEV)) += platform_mrfld_spidev.o
# I2C Devices
obj-$(subst m,y,$(CONFIG_SENSORS_EMC1403)) += platform_emc1403.o
obj-$(subst m,y,$(CONFIG_SENSORS_LIS3LV02D)) += platform_lis331.o
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_spidev.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_spidev.c
index 30c601b399ee..27186ad654c9 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_spidev.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_spidev.c
@@ -11,6 +11,7 @@
* of the License.
*/
+#include <linux/err.h>
#include <linux/init.h>
#include <linux/sfi.h>
#include <linux/spi/pxa2xx_spi.h>
@@ -34,6 +35,9 @@ static void __init *spidev_platform_data(void *info)
{
struct spi_board_info *spi_info = info;
+ if (intel_mid_identify_cpu() != INTEL_MID_CPU_CHIP_TANGIER)
+ return ERR_PTR(-ENODEV);
+
spi_info->mode = SPI_MODE_0;
spi_info->controller_data = &spidev_spi_chip;