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| author | Stefan Agner <stefan.agner@toradex.com> | 2016-07-26 13:13:54 -0700 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2016-09-29 13:55:53 -0700 |
| commit | 65e1bdfe04b1ec61a3a456971ce7f82349886bfd (patch) | |
| tree | c9c293db380b46b77f56d2d147202890fb49764f | |
| parent | db04bd4ba6637bb20cdb8734dab90613721d978e (diff) | |
Revert "spi core: Add new sysfs 'num_chipselect' file"
This reverts commit 88c66ffd8ed6cd50e436ce0d5830cd27f93259a2.
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
| -rw-r--r-- | Documentation/spi/spi-summary | 3 | ||||
| -rw-r--r-- | drivers/spi/spi.c | 23 |
2 files changed, 0 insertions, 26 deletions
diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary index b4d15e409cfe..d1824b399b2d 100644 --- a/Documentation/spi/spi-summary +++ b/Documentation/spi/spi-summary @@ -181,9 +181,6 @@ shows up in sysfs in several locations: controller managing bus "B". All spiB.* devices share one physical SPI bus segment, with SCLK, MOSI, and MISO. - /sys/class/spi_master/spiB/num_chipselect ... exposes the maximum - number of chipselects a SPI master can support. - Note that the actual location of the controller's class state depends on whether you enabled CONFIG_SYSFS_DEPRECATED or not. At this time, the only class-specific state is the bus number ("B" in "spiB"), so diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 06fb3dd1b297..dee1cb87d24f 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -67,19 +67,6 @@ modalias_show(struct device *dev, struct device_attribute *a, char *buf) } static DEVICE_ATTR_RO(modalias); -static ssize_t -num_chipselect_show(struct device *dev, struct device_attribute *a, char *buf) -{ - struct spi_master *master = container_of(dev, - struct spi_master, dev); - - return sprintf(buf, "%d\n", master->num_chipselect); -} -static struct device_attribute dev_attr_num_chipselect = { - .attr = { .name = "num_chipselect", .mode = S_IRUGO }, - .show = num_chipselect_show, -}; - #define SPI_STATISTICS_ATTRS(field, file) \ static ssize_t spi_master_##field##_show(struct device *dev, \ struct device_attribute *attr, \ @@ -167,15 +154,6 @@ static const struct attribute_group spi_dev_group = { .attrs = spi_dev_attrs, }; -static struct attribute *spi_master_attrs[] = { - &dev_attr_num_chipselect.attr, - NULL, -}; - -static const struct attribute_group spi_master_group = { - .attrs = spi_master_attrs, -}; - static struct attribute *spi_device_statistics_attrs[] = { &dev_attr_spi_device_messages.attr, &dev_attr_spi_device_transfers.attr, @@ -255,7 +233,6 @@ static const struct attribute_group spi_master_statistics_group = { }; static const struct attribute_group *spi_master_groups[] = { - &spi_master_group, &spi_master_statistics_group, NULL, }; |