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/linux/drivers/slimbus/
H A Dstream.c129 u8 wbuf[2]; in slim_connect_port_channel() local
130 struct slim_val_inf msg = {0, 2, NULL, wbuf, NULL}; in slim_connect_port_channel()
137 wbuf[0] = port->id; in slim_connect_port_channel()
138 wbuf[1] = port->ch.id; in slim_connect_port_channel()
149 u8 wbuf[1]; in slim_disconnect_port() local
150 struct slim_val_inf msg = {0, 1, NULL, wbuf, NULL}; in slim_disconnect_port()
154 wbuf[0] = port->id; in slim_disconnect_port()
165 u8 wbuf[1]; in slim_deactivate_remove_channel() local
166 struct slim_val_inf msg = {0, 1, NULL, wbuf, NULL}; in slim_deactivate_remove_channel()
171 wbuf[0] = port->ch.id; in slim_deactivate_remove_channel()
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H A Dqcom-ngd-ctrl.c793 u8 wbuf[SLIM_MSGQ_BUF_LEN]; in qcom_slim_ngd_xfer_msg() local
841 wbuf[i++] = txn->la; in qcom_slim_ngd_xfer_msg()
843 wbuf[i++] = txn->msg->wbuf[0]; in qcom_slim_ngd_xfer_msg()
845 wbuf[i++] = txn->msg->wbuf[1]; in qcom_slim_ngd_xfer_msg()
854 wbuf[i++] = txn->tid; in qcom_slim_ngd_xfer_msg()
857 txn->msg->wbuf = wbuf; in qcom_slim_ngd_xfer_msg()
884 if (txn->msg && txn->msg->wbuf) in qcom_slim_ngd_xfer_msg()
885 memcpy(puc, txn->msg->wbuf, txn->msg->num_bytes); in qcom_slim_ngd_xfer_msg()
1001 u8 wbuf[SLIM_MSGQ_BUF_LEN]; in qcom_slim_ngd_enable_stream() local
1012 txn.msg->wbuf = wbuf; in qcom_slim_ngd_enable_stream()
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H A Dmessaging.c196 if (msg->wbuf != NULL) in slim_val_inf_sanity()
202 if (msg->rbuf != NULL && msg->wbuf != NULL) in slim_val_inf_sanity()
277 size_t count, u8 *rbuf, u8 *wbuf) in slim_fill_msg() argument
282 msg->wbuf = wbuf; in slim_fill_msg()
H A Dsched.c99 msg.wbuf = &restart; in slim_ctrl_clk_pause()
107 msg.wbuf = NULL; in slim_ctrl_clk_pause()
/linux/fs/ubifs/
H A Dgc.c68 struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf; in switch_gc_head() local
72 wbuf->lnum, wbuf->offs + wbuf->used, gc_lnum, in switch_gc_head()
73 c->leb_size - wbuf->offs - wbuf->used); in switch_gc_head()
75 err = ubifs_wbuf_sync_nolock(wbuf); in switch_gc_head()
92 err = ubifs_wbuf_seek_nolock(wbuf, gc_lnum, 0); in switch_gc_head()
297 * @wbuf: write-buffer to move node to
299 * This function moves node @snod to @wbuf, changes TNC correspondingly, and
304 struct ubifs_scan_node *snod, struct ubifs_wbuf *wbuf) in move_node() argument
306 int err, new_lnum = wbuf->lnum, new_offs = wbuf->offs + wbuf->used; in move_node()
309 err = ubifs_wbuf_write_nolock(wbuf, snod->node, snod->len); in move_node()
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H A Djournal.c101 struct ubifs_wbuf *wbuf = &c->jheads[jhead].wbuf; in reserve_space() local
111 mutex_lock_nested(&wbuf->io_mutex, wbuf->jhead); in reserve_space()
118 avail = c->leb_size - wbuf->offs - wbuf->used; in reserve_space()
119 if (wbuf->lnum != -1 && avail >= len) in reserve_space()
140 mutex_unlock(&wbuf->io_mutex); in reserve_space()
151 * because we dropped @wbuf->io_mutex, so try once in reserve_space()
165 mutex_lock_nested(&wbuf->io_mutex, wbuf->jhead); in reserve_space()
167 avail = c->leb_size - wbuf->offs - wbuf->used; in reserve_space()
169 if (wbuf->lnum != -1 && avail >= len) { in reserve_space()
176 lnum, wbuf->lnum, wbuf->offs + wbuf->used); in reserve_space()
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H A Dmisc.h122 * @wbuf: write-buffer to synchronize
127 static inline int ubifs_wbuf_sync(struct ubifs_wbuf *wbuf) in ubifs_wbuf_sync() argument
131 mutex_lock_nested(&wbuf->io_mutex, wbuf->jhead); in ubifs_wbuf_sync()
132 err = ubifs_wbuf_sync_nolock(wbuf); in ubifs_wbuf_sync()
133 mutex_unlock(&wbuf->io_mutex); in ubifs_wbuf_sync()
H A Dlog.c53 * ubifs_get_wbuf - get the wbuf associated with a LEB, if there is one.
57 * This functions returns the wbuf for @lnum or %NULL if there is not one.
79 return &c->jheads[jhead].wbuf; in ubifs_get_wbuf()
308 struct ubifs_wbuf *wbuf; in remove_buds() local
312 wbuf = &c->jheads[bud->jhead].wbuf; in remove_buds()
314 if (wbuf->lnum == bud->lnum) { in remove_buds()
319 c->cmt_bud_bytes += wbuf->offs - bud->start; in remove_buds()
322 wbuf->offs - bud->start, c->cmt_bud_bytes); in remove_buds()
323 bud->start = wbuf->offs; in remove_buds()
394 int lnum = c->jheads[i].wbuf.lnum; in ubifs_log_start_commit()
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H A Drecovery.c409 * the last wbuf written. After that should be empty space. in is_last_write()
1160 struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf; in ubifs_rcvry_gc_commit() local
1164 dbg_rcvry("GC head LEB %d, offs %d", wbuf->lnum, wbuf->offs); in ubifs_rcvry_gc_commit()
1167 if (wbuf->lnum == -1 || wbuf->offs == c->leb_size) in ubifs_rcvry_gc_commit()
1170 err = ubifs_find_dirty_leb(c, &lp, wbuf->offs, 2); in ubifs_rcvry_gc_commit()
1180 ubifs_assert(c, lp.free + lp.dirty >= wbuf->offs); in ubifs_rcvry_gc_commit()
1192 mutex_lock_nested(&wbuf->io_mutex, wbuf->jhead); in ubifs_rcvry_gc_commit()
1195 int err2 = ubifs_wbuf_sync_nolock(wbuf); in ubifs_rcvry_gc_commit()
1200 mutex_unlock(&wbuf->io_mutex); in ubifs_rcvry_gc_commit()
/linux/fs/jffs2/
H A Dwbuf.c60 /* Look to see if the inode in question is pending in the wbuf */ in jffs2_wbuf_pending_for_ino()
260 c->wbuf, c->wbuf_pagesize, 0); in jffs2_verify_write()
272 /* Recover from failure to write wbuf. Recover the nodes up to the
273 * wbuf, not the one which we were starting to try to write. */
297 node which ends before the wbuf starts, or which is obsolete. */ in jffs2_wbuf_recover()
332 dbg_noderef("wbuf recover %08x-%08x (%d bytes in %d nodes)\n", in jffs2_wbuf_recover()
342 pr_crit("Malloc failure in wbuf recovery. Data loss ensues.\n"); in jffs2_wbuf_recover()
357 pr_crit("Old data are already lost in wbuf recovery. Data loss ensues.\n"); in jffs2_wbuf_recover()
375 /* It wasn't. Go on and try to recover nodes complete in the wbuf */ in jffs2_wbuf_recover()
377 dbg_noderef("wbuf now recover %08x-%08x (%d bytes in %d nodes)\n", in jffs2_wbuf_recover()
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H A DREADME.Locking33 the alloc_sem is also used to protect the wbuf-related members of the
35 if the wbuf is currently holding any data is permitted, though.
142 write-behind buffer ('wbuf') used for flash chips where we must write
143 in blocks. It protects both the contents of the wbuf and the metadata
H A Djffs2_fs_sb.h102 …sable_pending_wbuf_list; /* Blocks which need erasing but only after the current wbuf is flushed */
125 uint32_t wbuf_pagesize; /* 0 for NOR and other flashes with no wbuf */
131 unsigned char *wbuf; /* Write-behind buffer for NAND flash */ member
/linux/drivers/media/common/b2c2/
H A Dflexcop-eeprom.c17 u32 len, u8 *wbuf, u8 *rbuf, int retries)
22 if (eeprom_write(adapter, addr, wbuf, len) == len) {
35 u8 wbuf[20];
40 memcpy(wbuf, key, len);
41 wbuf[16] = 0;
42 wbuf[17] = 0;
43 wbuf[18] = 0;
44 wbuf[19] = calc_lrc(wbuf, 19);
45 return eeprom_lrc_write(adapter, 0x3e4, 20, wbuf, rbuf, 4);
/linux/drivers/media/usb/dvb-usb-v2/
H A Ddvb_usb_urb.c12 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in dvb_usb_v2_generic_io() argument
16 if (!wbuf || !wlen || !d->props->generic_bulk_ctrl_endpoint || in dvb_usb_v2_generic_io()
22 dev_dbg(&d->udev->dev, "%s: >>> %*ph\n", __func__, wlen, wbuf); in dvb_usb_v2_generic_io()
25 d->props->generic_bulk_ctrl_endpoint), wbuf, wlen, in dvb_usb_v2_generic_io()
61 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in dvb_usbv2_generic_rw() argument
66 ret = dvb_usb_v2_generic_io(d, wbuf, wlen, rbuf, rlen); in dvb_usbv2_generic_rw()
86 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in dvb_usbv2_generic_rw_locked() argument
88 return dvb_usb_v2_generic_io(d, wbuf, wlen, rbuf, rlen); in dvb_usbv2_generic_rw_locked()
/linux/include/linux/platform_data/x86/
H A Dintel_pmc_ipc.h23 u32 wbuf[4]; member
66 params[3].integer.value = ipc_cmd->wbuf[0]; in intel_pmc_ipc()
67 params[4].integer.value = ipc_cmd->wbuf[1]; in intel_pmc_ipc()
68 params[5].integer.value = ipc_cmd->wbuf[2]; in intel_pmc_ipc()
69 params[6].integer.value = ipc_cmd->wbuf[3]; in intel_pmc_ipc()
/linux/drivers/media/usb/dvb-usb/
H A Ddvb-usb-urb.c12 int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf, in dvb_usb_generic_rw() argument
17 if (!d || wbuf == NULL || wlen == 0) in dvb_usb_generic_rw()
29 debug_dump(wbuf,wlen,deb_xfer); in dvb_usb_generic_rw()
32 d->props.generic_bulk_ctrl_endpoint), wbuf,wlen,&actlen, in dvb_usb_generic_rw()
/linux/drivers/input/touchscreen/
H A Dedt-ft5x06.c191 u8 wbuf[4], rbuf[3]; in edt_M06_i2c_read() local
195 wbuf[0] = addr; in edt_M06_i2c_read()
199 wbuf[0] = 0xf5; in edt_M06_i2c_read()
200 wbuf[1] = 0xe; in edt_M06_i2c_read()
201 wbuf[2] = *((u8 *)val_buf); in edt_M06_i2c_read()
209 wbuf[0] = M06_REG_CMD(tsdata->factory_mode); in edt_M06_i2c_read()
210 wbuf[1] = M06_REG_ADDR(tsdata->factory_mode, addr); in edt_M06_i2c_read()
211 wbuf[1] |= tsdata->factory_mode ? 0x80 : 0x40; in edt_M06_i2c_read()
217 xfer[0].buf = wbuf; in edt_M06_i2c_read()
247 wbuf[2] = rbuf[0]; in edt_M06_i2c_read()
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/linux/drivers/media/pci/ddbridge/
H A Dddbridge-i2c.c96 ddbcpyto(dev, i2c->wbuf, msg[0].buf, msg[0].len); in ddb_i2c_master_xfer()
108 ddbcpyto(dev, i2c->wbuf, msg[0].buf, msg[0].len); in ddb_i2c_master_xfer()
161 i2c->wbuf = DDB_LINK_TAG(link) | in ddb_i2c_add()
163 i2c->rbuf = i2c->wbuf; /* + i2c->bsize / 2 */ in ddb_i2c_add()
167 ddbwritel(dev, ((i2c->rbuf & 0xffff) << 16) | (i2c->wbuf & 0xffff), in ddb_i2c_add()
/linux/sound/isa/wavefront/
H A Dwavefront_synth.c334 int cmd, unsigned char *rbuf, unsigned char *wbuf) in snd_wavefront_cmd() argument
376 if (wavefront_write (dev, wbuf[i])) { in snd_wavefront_cmd()
384 i, wbuf[i]); in snd_wavefront_cmd()
602 unsigned char wbuf[2]; in wavefront_delete_sample() local
605 wbuf[0] = sample_num & 0x7f; in wavefront_delete_sample()
606 wbuf[1] = sample_num >> 7; in wavefront_delete_sample()
608 x = snd_wavefront_cmd(dev, WFC_DELETE_SAMPLE, NULL, wbuf); in wavefront_delete_sample()
620 unsigned char rbuf[32], wbuf[32]; in wavefront_get_sample_status() local
625 if (snd_wavefront_cmd (dev, WFC_GET_NSAMPLES, rbuf, wbuf)) { in wavefront_get_sample_status()
634 wbuf[0] = i & 0x7f; in wavefront_get_sample_status()
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/linux/drivers/video/backlight/
H A Dams369fg06.c189 const unsigned short *wbuf) in ams369fg06_panel_send_sequence() argument
193 while ((wbuf[i] & DEFMASK) != ENDDEF) { in ams369fg06_panel_send_sequence()
194 if ((wbuf[i] & DEFMASK) != SLEEPMSEC) { in ams369fg06_panel_send_sequence()
195 ret = ams369fg06_spi_write(lcd, wbuf[i], wbuf[i+1]); in ams369fg06_panel_send_sequence()
199 msleep(wbuf[i+1]); in ams369fg06_panel_send_sequence()
/linux/arch/sparc/kernel/
H A Dptrace_64.c192 struct reg_window *wbuf) in regwindow64_get() argument
203 wbuf->locals[i] = win32.locals[i]; in regwindow64_get()
205 wbuf->ins[i] = win32.ins[i]; in regwindow64_get()
208 if (get_from_target(target, rw_addr, wbuf, sizeof(*wbuf))) in regwindow64_get()
217 struct reg_window *wbuf) in regwindow64_set() argument
226 win32.locals[i] = wbuf->locals[i]; in regwindow64_set()
228 win32.ins[i] = wbuf->ins[i]; in regwindow64_set()
234 if (set_to_target(target, rw_addr, wbuf, sizeof(*wbuf))) in regwindow64_set()
/linux/drivers/media/tuners/
H A Dqm1d1c0042.c66 u8 wbuf[2] = { reg, val }; in reg_write() local
69 ret = i2c_master_send(state->i2c, wbuf, sizeof(wbuf)); in reg_write()
70 if (ret >= 0 && ret < sizeof(wbuf)) in reg_write()
72 return (ret == sizeof(wbuf)) ? 0 : ret; in reg_write()
/linux/drivers/scsi/
H A Dadvansys.c8705 ushort *wbuf; in AscGetEEPConfig() local
8711 wbuf = (ushort *)cfg_buf; in AscGetEEPConfig()
8714 for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { in AscGetEEPConfig()
8715 *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr); in AscGetEEPConfig()
8716 sum += *wbuf; in AscGetEEPConfig()
8725 for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) { in AscGetEEPConfig()
8732 *wbuf = le16_to_cpu(wval); in AscGetEEPConfig()
8735 *wbuf = wval; in AscGetEEPConfig()
8743 *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr); in AscGetEEPConfig()
8817 ushort *wbuf; in AscSetEEPConfigOnce() local
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/linux/drivers/platform/x86/
H A Dintel_scu_ipc.c287 u32 *wbuf = (u32 *)&cbuf; in pwr_reg_rdwr() local
304 ipc_data_writel(scu, wbuf[nc], offset); in pwr_reg_rdwr()
310 ipc_data_writel(scu, wbuf[nc], offset); in pwr_reg_rdwr()
315 ipc_data_writel(scu, wbuf[0], 0); /* Write wbuff */ in pwr_reg_rdwr()
325 wbuf[nc] = ipc_data_readl(scu, offset); in pwr_reg_rdwr()
326 memcpy(data, wbuf, count); in pwr_reg_rdwr()
/linux/drivers/video/fbdev/omap/
H A Dlcd_mipid.c56 static void mipid_transfer(struct mipid_device *md, int cmd, const u8 *wbuf, in mipid_transfer() argument
79 x->tx_buf = wbuf; in mipid_transfer()
342 u16 wbuf[3]; in ls041y3_esd_check_mode2() member
355 mipid_write(md, rd->cmd, (u8 *)rd->wbuf, rd->wlen); in ls041y3_esd_check_mode2()
363 mipid_write(md, rd->cmd, (u8 *)rd->wbuf, rd->wlen); in ls041y3_esd_check_mode2()

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