Searched refs:buf_rdptr (Results 1 - 2 of 2) sorted by relevance

/linux-master/drivers/hwtracing/coresight/
H A Dultrasoc-smb.c40 if (buf_wrptr == sdb->buf_rdptr && smb_buffer_not_empty(drvdata)) {
46 sdb->data_size = CIRC_CNT(buf_wrptr, sdb->buf_rdptr,
59 sdb->buf_rdptr += nbytes;
60 sdb->buf_rdptr %= sdb->buf_size;
61 writel(sdb->buf_hw_base + sdb->buf_rdptr,
85 if (!write_ptr || write_ptr == sdb->buf_rdptr + sdb->buf_hw_base)
93 sdb->buf_rdptr = write_ptr - sdb->buf_hw_base;
133 if (sdb->buf_rdptr + to_copy > sdb->buf_size)
134 to_copy = sdb->buf_size - sdb->buf_rdptr;
136 if (copy_to_user(data, sdb->buf_base + sdb->buf_rdptr, to_cop
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H A Dultrasoc-smb.h92 * @buf_rdptr: Current read position (index) within the buffer.
99 unsigned long buf_rdptr; member in struct:smb_data_buffer

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