From: Manuel Stahl Date: Tue, 31 Aug 2010 09:32:50 +0000 (+0200) Subject: staging: iio rename ring attributes X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ffcab07a7479e10eddda6c4c47f69834e2971716;p=openwrt%2Fstaging%2Fblogic.git staging: iio rename ring attributes bps -> bytes_per_datum ring_enable -> enable Signed-off-by: Manuel Stahl Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/iio/accel/adis16209_ring.c b/drivers/staging/iio/accel/adis16209_ring.c index 25fde659d098..d40b95f19232 100644 --- a/drivers/staging/iio/accel/adis16209_ring.c +++ b/drivers/staging/iio/accel/adis16209_ring.c @@ -119,7 +119,7 @@ static void adis16209_trigger_bh_to_ring(struct work_struct *work_s) int i = 0; s16 *data; size_t datasize = st->indio_dev - ->ring->access.get_bpd(st->indio_dev->ring); + ->ring->access.get_bytes_per_datum(st->indio_dev->ring); data = kmalloc(datasize , GFP_KERNEL); if (data == NULL) { diff --git a/drivers/staging/iio/accel/adis16240_ring.c b/drivers/staging/iio/accel/adis16240_ring.c index cd69a2e2bb9a..462d4520ffc3 100644 --- a/drivers/staging/iio/accel/adis16240_ring.c +++ b/drivers/staging/iio/accel/adis16240_ring.c @@ -111,7 +111,7 @@ static void adis16240_trigger_bh_to_ring(struct work_struct *work_s) int i = 0; s16 *data; size_t datasize = st->indio_dev - ->ring->access.get_bpd(st->indio_dev->ring); + ->ring->access.get_bytes_per_datum(st->indio_dev->ring); data = kmalloc(datasize , GFP_KERNEL); if (data == NULL) { diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c index a960a8ff3c40..4c1b36a76c45 100644 --- a/drivers/staging/iio/accel/lis3l02dq_ring.c +++ b/drivers/staging/iio/accel/lis3l02dq_ring.c @@ -169,7 +169,7 @@ ssize_t lis3l02dq_read_accel_from_ring(struct device *dev, if (ret < 0) goto error_ret; if (ret) { - data = kmalloc(dev_info->ring->access.get_bpd(dev_info->ring), + data = kmalloc(dev_info->ring->access.get_bytes_per_datum(dev_info->ring), GFP_KERNEL); if (data == NULL) return -ENOMEM; diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c index 8e8c068d401b..eff5b9a2de3a 100644 --- a/drivers/staging/iio/accel/sca3000_ring.c +++ b/drivers/staging/iio/accel/sca3000_ring.c @@ -100,7 +100,7 @@ static int sca3000_ring_get_length(struct iio_ring_buffer *r) } /* only valid if resolution is kept at 11bits */ -static int sca3000_ring_get_bpd(struct iio_ring_buffer *r) +static int sca3000_ring_get_bytes_per_datum(struct iio_ring_buffer *r) { return 6; } @@ -111,7 +111,7 @@ static void sca3000_ring_release(struct device *dev) } static IIO_RING_ENABLE_ATTR; -static IIO_RING_BPS_ATTR; +static IIO_RING_BYTES_PER_DATUM_ATTR; static IIO_RING_LENGTH_ATTR; /** @@ -218,8 +218,8 @@ static struct attribute_group sca3000_scan_el_group = { */ static struct attribute *sca3000_ring_attributes[] = { &dev_attr_length.attr, - &dev_attr_bps.attr, - &dev_attr_ring_enable.attr, + &dev_attr_bytes_per_datum.attr, + &dev_attr_enable.attr, NULL, }; @@ -272,7 +272,7 @@ int sca3000_configure_ring(struct iio_dev *indio_dev) indio_dev->ring->access.rip_lots = &sca3000_rip_hw_rb; indio_dev->ring->access.get_length = &sca3000_ring_get_length; - indio_dev->ring->access.get_bpd = &sca3000_ring_get_bpd; + indio_dev->ring->access.get_bytes_per_datum = &sca3000_ring_get_bytes_per_datum; return 0; } diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c index 786b17a0d6b0..edac0ba6652e 100644 --- a/drivers/staging/iio/adc/max1363_ring.c +++ b/drivers/staging/iio/adc/max1363_ring.c @@ -92,14 +92,14 @@ static int max1363_ring_preenable(struct iio_dev *indio_dev) max1363_set_scan_mode(st); numvals = hweight_long(st->current_mode->modemask); - if (indio_dev->ring->access.set_bpd) { + if (indio_dev->ring->access.set_bytes_per_datum) { if (st->chip_info->bits != 8) d_size = numvals*2 + sizeof(s64); else d_size = numvals + sizeof(s64); if (d_size % 8) d_size += 8 - (d_size % 8); - indio_dev->ring->access.set_bpd(indio_dev->ring, d_size); + indio_dev->ring->access.set_bytes_per_datum(indio_dev->ring, d_size); } return 0; diff --git a/drivers/staging/iio/gyro/adis16260_ring.c b/drivers/staging/iio/gyro/adis16260_ring.c index 9ef7f9080dcd..055d5e8609e8 100644 --- a/drivers/staging/iio/gyro/adis16260_ring.c +++ b/drivers/staging/iio/gyro/adis16260_ring.c @@ -114,7 +114,7 @@ static void adis16260_trigger_bh_to_ring(struct work_struct *work_s) int i = 0; s16 *data; size_t datasize = st->indio_dev - ->ring->access.get_bpd(st->indio_dev->ring); + ->ring->access.get_bytes_per_datum(st->indio_dev->ring); data = kmalloc(datasize , GFP_KERNEL); if (data == NULL) { diff --git a/drivers/staging/iio/imu/adis16300_ring.c b/drivers/staging/iio/imu/adis16300_ring.c index fc93160acb26..854183c28258 100644 --- a/drivers/staging/iio/imu/adis16300_ring.c +++ b/drivers/staging/iio/imu/adis16300_ring.c @@ -138,7 +138,7 @@ static void adis16300_trigger_bh_to_ring(struct work_struct *work_s) int i = 0; s16 *data; size_t datasize = st->indio_dev - ->ring->access.get_bpd(st->indio_dev->ring); + ->ring->access.get_bytes_per_datum(st->indio_dev->ring); data = kmalloc(datasize , GFP_KERNEL); if (data == NULL) { diff --git a/drivers/staging/iio/imu/adis16350_ring.c b/drivers/staging/iio/imu/adis16350_ring.c index e053e9aaa2ed..9620cbe67edc 100644 --- a/drivers/staging/iio/imu/adis16350_ring.c +++ b/drivers/staging/iio/imu/adis16350_ring.c @@ -138,7 +138,7 @@ static void adis16350_trigger_bh_to_ring(struct work_struct *work_s) int i = 0; s16 *data; size_t datasize = st->indio_dev - ->ring->access.get_bpd(st->indio_dev->ring); + ->ring->access.get_bytes_per_datum(st->indio_dev->ring); data = kmalloc(datasize , GFP_KERNEL); if (data == NULL) { diff --git a/drivers/staging/iio/imu/adis16400_ring.c b/drivers/staging/iio/imu/adis16400_ring.c index 949db76283d7..c8e23161d006 100644 --- a/drivers/staging/iio/imu/adis16400_ring.c +++ b/drivers/staging/iio/imu/adis16400_ring.c @@ -147,7 +147,7 @@ static void adis16400_trigger_bh_to_ring(struct work_struct *work_s) int i = 0; s16 *data; size_t datasize = st->indio_dev - ->ring->access.get_bpd(st->indio_dev->ring); + ->ring->access.get_bytes_per_datum(st->indio_dev->ring); data = kmalloc(datasize , GFP_KERNEL); if (data == NULL) { diff --git a/drivers/staging/iio/industrialio-ring.c b/drivers/staging/iio/industrialio-ring.c index 6ab578e4f5f3..610c2b6fb678 100644 --- a/drivers/staging/iio/industrialio-ring.c +++ b/drivers/staging/iio/industrialio-ring.c @@ -338,20 +338,20 @@ EXPORT_SYMBOL(iio_read_ring_length); } EXPORT_SYMBOL(iio_write_ring_length); -ssize_t iio_read_ring_bps(struct device *dev, +ssize_t iio_read_ring_bytes_per_datum(struct device *dev, struct device_attribute *attr, char *buf) { int len = 0; struct iio_ring_buffer *ring = dev_get_drvdata(dev); - if (ring->access.get_bpd) + if (ring->access.get_bytes_per_datum) len = sprintf(buf, "%d\n", - ring->access.get_bpd(ring)); + ring->access.get_bytes_per_datum(ring)); return len; } -EXPORT_SYMBOL(iio_read_ring_bps); +EXPORT_SYMBOL(iio_read_ring_bytes_per_datum); ssize_t iio_store_ring_enable(struct device *dev, struct device_attribute *attr, diff --git a/drivers/staging/iio/ring_generic.h b/drivers/staging/iio/ring_generic.h index a872d3904a33..ac017b13bfb3 100644 --- a/drivers/staging/iio/ring_generic.h +++ b/drivers/staging/iio/ring_generic.h @@ -52,8 +52,8 @@ int iio_push_or_escallate_ring_event(struct iio_ring_buffer *ring_buf, * change. * @request_update: if a parameter change has been marked, update underlying * storage. - * @get_bpd: get current bytes per datum - * @set_bpd: set number of bytes per datum + * @get_bytes_per_datum: get current bytes per datum + * @set_bytes_per_datum: set number of bytes per datum * @get_length: get number of datums in ring * @set_length: set number of datums in ring * @is_enabled: query if ring is currently being used @@ -81,8 +81,8 @@ struct iio_ring_access_funcs { int (*mark_param_change)(struct iio_ring_buffer *ring); int (*request_update)(struct iio_ring_buffer *ring); - int (*get_bpd)(struct iio_ring_buffer *ring); - int (*set_bpd)(struct iio_ring_buffer *ring, size_t bpd); + int (*get_bytes_per_datum)(struct iio_ring_buffer *ring); + int (*set_bytes_per_datum)(struct iio_ring_buffer *ring, size_t bpd); int (*get_length)(struct iio_ring_buffer *ring); int (*set_length)(struct iio_ring_buffer *ring, int length); @@ -99,7 +99,7 @@ struct iio_ring_access_funcs { * @id: unique id number * @access_id: device id number * @length: [DEVICE] number of datums in ring - * @bpd: [DEVICE] size of individual datum including timestamp + * @bytes_per_datum [DEVICE] size of individual datum including timestamp * @bpe: [DEVICE] size of individual channel value * @loopcount: [INTERN] number of times the ring has looped * @access_handler: [INTERN] chrdev access handling @@ -121,7 +121,7 @@ struct iio_ring_buffer { int id; int access_id; int length; - int bpd; + int bytes_per_datum; int bpe; int loopcount; struct iio_handler access_handler; @@ -146,7 +146,7 @@ void iio_ring_buffer_init(struct iio_ring_buffer *ring, static inline void __iio_update_ring_buffer(struct iio_ring_buffer *ring, int bytes_per_datum, int length) { - ring->bpd = bytes_per_datum; + ring->bytes_per_datum = bytes_per_datum; ring->length = length; ring->loopcount = 0; } @@ -277,7 +277,7 @@ ssize_t iio_write_ring_length(struct device *dev, struct device_attribute *attr, const char *buf, size_t len); -ssize_t iio_read_ring_bps(struct device *dev, +ssize_t iio_read_ring_bytes_per_datum(struct device *dev, struct device_attribute *attr, char *buf); ssize_t iio_store_ring_enable(struct device *dev, @@ -290,9 +290,9 @@ ssize_t iio_show_ring_enable(struct device *dev, #define IIO_RING_LENGTH_ATTR DEVICE_ATTR(length, S_IRUGO | S_IWUSR, \ iio_read_ring_length, \ iio_write_ring_length) -#define IIO_RING_BPS_ATTR DEVICE_ATTR(bps, S_IRUGO | S_IWUSR, \ - iio_read_ring_bps, NULL) -#define IIO_RING_ENABLE_ATTR DEVICE_ATTR(ring_enable, S_IRUGO | S_IWUSR, \ +#define IIO_RING_BYTES_PER_DATUM_ATTR DEVICE_ATTR(bytes_per_datum, S_IRUGO | S_IWUSR, \ + iio_read_ring_bytes_per_datum, NULL) +#define IIO_RING_ENABLE_ATTR DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, \ iio_show_ring_enable, \ iio_store_ring_enable) #else /* CONFIG_IIO_RING_BUFFER */ diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c index e2f01c640baf..99efb6b29143 100644 --- a/drivers/staging/iio/ring_sw.c +++ b/drivers/staging/iio/ring_sw.c @@ -21,7 +21,7 @@ static inline int __iio_allocate_sw_ring_buffer(struct iio_sw_ring_buffer *ring, if ((length == 0) || (bytes_per_datum == 0)) return -EINVAL; __iio_update_ring_buffer(&ring->buf, bytes_per_datum, length); - ring->data = kmalloc(length*ring->buf.bpd, GFP_ATOMIC); + ring->data = kmalloc(length*ring->buf.bytes_per_datum, GFP_ATOMIC); ring->read_p = NULL; ring->write_p = NULL; ring->last_written_p = NULL; @@ -77,10 +77,10 @@ static int iio_store_to_sw_ring(struct iio_sw_ring_buffer *ring, * as long as the read pointer is valid before this * passes it - guaranteed as set later in this function. */ - ring->half_p = ring->data - ring->buf.length*ring->buf.bpd/2; + ring->half_p = ring->data - ring->buf.length*ring->buf.bytes_per_datum/2; } /* Copy data to where ever the current write pointer says */ - memcpy(ring->write_p, data, ring->buf.bpd); + memcpy(ring->write_p, data, ring->buf.bytes_per_datum); barrier(); /* Update the pointer used to get most recent value. * Always valid as either points to latest or second latest value. @@ -91,9 +91,9 @@ static int iio_store_to_sw_ring(struct iio_sw_ring_buffer *ring, /* temp_ptr used to ensure we never have an invalid pointer * it may be slightly lagging, but never invalid */ - temp_ptr = ring->write_p + ring->buf.bpd; + temp_ptr = ring->write_p + ring->buf.bytes_per_datum; /* End of ring, back to the beginning */ - if (temp_ptr == ring->data + ring->buf.length*ring->buf.bpd) + if (temp_ptr == ring->data + ring->buf.length*ring->buf.bytes_per_datum) temp_ptr = ring->data; /* Update the write pointer * always valid as long as this is the only function able to write. @@ -112,9 +112,9 @@ static int iio_store_to_sw_ring(struct iio_sw_ring_buffer *ring, */ else if (ring->write_p == ring->read_p) { change_test_ptr = ring->read_p; - temp_ptr = change_test_ptr + ring->buf.bpd; + temp_ptr = change_test_ptr + ring->buf.bytes_per_datum; if (temp_ptr - == ring->data + ring->buf.length*ring->buf.bpd) { + == ring->data + ring->buf.length*ring->buf.bytes_per_datum) { temp_ptr = ring->data; } /* We are moving pointer on one because the ring is full. Any @@ -135,8 +135,8 @@ static int iio_store_to_sw_ring(struct iio_sw_ring_buffer *ring, /* There are definite 'issues' with this and chances of * simultaneous read */ /* Also need to use loop count to ensure this only happens once */ - ring->half_p += ring->buf.bpd; - if (ring->half_p == ring->data + ring->buf.length*ring->buf.bpd) + ring->half_p += ring->buf.bytes_per_datum; + if (ring->half_p == ring->data + ring->buf.length*ring->buf.bytes_per_datum) ring->half_p = ring->data; if (ring->half_p == ring->read_p) { spin_lock(&ring->buf.shared_ev_pointer.lock); @@ -164,15 +164,15 @@ int iio_rip_sw_rb(struct iio_ring_buffer *r, * read something that is not a whole number of bpds. * Return an error. */ - if (count % ring->buf.bpd) { + if (count % ring->buf.bytes_per_datum) { ret = -EINVAL; printk(KERN_INFO "Ring buffer read request not whole number of" - "samples: Request bytes %zd, Current bpd %d\n", - count, ring->buf.bpd); + "samples: Request bytes %zd, Current bytes per datum %d\n", + count, ring->buf.bytes_per_datum); goto error_ret; } /* Limit size to whole of ring buffer */ - bytes_to_rip = min((size_t)(ring->buf.bpd*ring->buf.length), count); + bytes_to_rip = min((size_t)(ring->buf.bytes_per_datum*ring->buf.length), count); *data = kmalloc(bytes_to_rip, GFP_KERNEL); if (*data == NULL) { @@ -214,7 +214,7 @@ int iio_rip_sw_rb(struct iio_ring_buffer *r, } else { /* going through 'end' of ring buffer */ max_copied = ring->data - + ring->buf.length*ring->buf.bpd - initial_read_p; + + ring->buf.length*ring->buf.bytes_per_datum - initial_read_p; memcpy(*data, initial_read_p, max_copied); /* possible we are done if we align precisely with end */ if (max_copied == bytes_to_rip) @@ -240,7 +240,7 @@ int iio_rip_sw_rb(struct iio_ring_buffer *r, if (initial_read_p <= current_read_p) *dead_offset = current_read_p - initial_read_p; else - *dead_offset = ring->buf.length*ring->buf.bpd + *dead_offset = ring->buf.length*ring->buf.bytes_per_datum - (initial_read_p - current_read_p); /* possible issue if the initial write has been lapped or indeed @@ -293,7 +293,7 @@ again: /* Check there is anything here */ if (last_written_p_copy == NULL) return -EAGAIN; - memcpy(data, last_written_p_copy, ring->buf.bpd); + memcpy(data, last_written_p_copy, ring->buf.bytes_per_datum); if (unlikely(ring->last_written_p != last_written_p_copy)) goto again; @@ -322,7 +322,7 @@ int iio_request_update_sw_rb(struct iio_ring_buffer *r) goto error_ret; } __iio_free_sw_ring_buffer(ring); - ret = __iio_allocate_sw_ring_buffer(ring, ring->buf.bpd, + ret = __iio_allocate_sw_ring_buffer(ring, ring->buf.bytes_per_datum, ring->buf.length); error_ret: spin_unlock(&ring->use_lock); @@ -330,23 +330,23 @@ error_ret: } EXPORT_SYMBOL(iio_request_update_sw_rb); -int iio_get_bpd_sw_rb(struct iio_ring_buffer *r) +int iio_get_bytes_per_datum_sw_rb(struct iio_ring_buffer *r) { struct iio_sw_ring_buffer *ring = iio_to_sw_ring(r); - return ring->buf.bpd; + return ring->buf.bytes_per_datum; } -EXPORT_SYMBOL(iio_get_bpd_sw_rb); +EXPORT_SYMBOL(iio_get_bytes_per_datum_sw_rb); -int iio_set_bpd_sw_rb(struct iio_ring_buffer *r, size_t bpd) +int iio_set_bytes_per_datum_sw_rb(struct iio_ring_buffer *r, size_t bpd) { - if (r->bpd != bpd) { - r->bpd = bpd; + if (r->bytes_per_datum != bpd) { + r->bytes_per_datum = bpd; if (r->access.mark_param_change) r->access.mark_param_change(r); } return 0; } -EXPORT_SYMBOL(iio_set_bpd_sw_rb); +EXPORT_SYMBOL(iio_set_bytes_per_datum_sw_rb); int iio_get_length_sw_rb(struct iio_ring_buffer *r) { @@ -380,14 +380,14 @@ static void iio_sw_rb_release(struct device *dev) } static IIO_RING_ENABLE_ATTR; -static IIO_RING_BPS_ATTR; +static IIO_RING_BYTES_PER_DATUM_ATTR; static IIO_RING_LENGTH_ATTR; /* Standard set of ring buffer attributes */ static struct attribute *iio_ring_attributes[] = { &dev_attr_length.attr, - &dev_attr_bps.attr, - &dev_attr_ring_enable.attr, + &dev_attr_bytes_per_datum.attr, + &dev_attr_enable.attr, NULL, }; @@ -451,7 +451,7 @@ int iio_sw_ring_preenable(struct iio_dev *indio_dev) size = sizeof(s64); else /* Data only */ size = indio_dev->scan_count * indio_dev->ring->bpe; - indio_dev->ring->access.set_bpd(indio_dev->ring, size); + indio_dev->ring->access.set_bytes_per_datum(indio_dev->ring, size); return 0; } @@ -464,7 +464,7 @@ void iio_sw_trigger_bh_to_ring(struct work_struct *work_s) work_trigger_to_ring); int len = 0; size_t datasize = st->indio_dev - ->ring->access.get_bpd(st->indio_dev->ring); + ->ring->access.get_bytes_per_datum(st->indio_dev->ring); char *data = kmalloc(datasize, GFP_KERNEL); if (data == NULL) { diff --git a/drivers/staging/iio/ring_sw.h b/drivers/staging/iio/ring_sw.h index 61f1ed650392..ad03d832c1b9 100644 --- a/drivers/staging/iio/ring_sw.h +++ b/drivers/staging/iio/ring_sw.h @@ -121,19 +121,19 @@ int iio_mark_update_needed_sw_rb(struct iio_ring_buffer *r); /** - * iio_get_bpd_sw_rb() - get the datum size in bytes + * iio_get_bytes_per_datum_sw_rb() - get the datum size in bytes * @r: pointer to a software ring buffer created by an * iio_create_sw_rb call **/ -int iio_get_bpd_sw_rb(struct iio_ring_buffer *r); +int iio_get_bytes_per_datum_sw_rb(struct iio_ring_buffer *r); /** - * iio_set_bpd_sw_rb() - set the datum size in bytes + * iio_set_bytes_per_datum_sw_rb() - set the datum size in bytes * @r: pointer to a software ring buffer created by an * iio_create_sw_rb call * @bpd: bytes per datum value **/ -int iio_set_bpd_sw_rb(struct iio_ring_buffer *r, size_t bpd); +int iio_set_bytes_per_datum_sw_rb(struct iio_ring_buffer *r, size_t bpd); /** * iio_get_length_sw_rb() - get how many datums the rb may contain @@ -166,8 +166,8 @@ static inline void iio_ring_sw_register_funcs(struct iio_ring_access_funcs *ra) ra->mark_param_change = &iio_mark_update_needed_sw_rb; ra->request_update = &iio_request_update_sw_rb; - ra->get_bpd = &iio_get_bpd_sw_rb; - ra->set_bpd = &iio_set_bpd_sw_rb; + ra->get_bytes_per_datum = &iio_get_bytes_per_datum_sw_rb; + ra->set_bytes_per_datum = &iio_set_bytes_per_datum_sw_rb; ra->get_length = &iio_get_length_sw_rb; ra->set_length = &iio_set_length_sw_rb;