114 static int ks8995_read(struct ks8995_switch *ks, char *buf,  in ks8995_read()  argument
137 	mutex_lock(&ks->lock);  in ks8995_read()
138 	err = spi_sync(ks->spi, &m);  in ks8995_read()
139 	mutex_unlock(&ks->lock);  in ks8995_read()
145 static int ks8995_write(struct ks8995_switch *ks, char *buf,  in ks8995_write()  argument
168 	mutex_lock(&ks->lock);  in ks8995_write()
169 	err = spi_sync(ks->spi, &m);  in ks8995_write()
170 	mutex_unlock(&ks->lock);  in ks8995_write()
175 static inline int ks8995_read_reg(struct ks8995_switch *ks, u8 addr, u8 *buf)  in ks8995_read_reg()  argument
177 	return ks8995_read(ks, buf, addr, 1) != 1;  in ks8995_read_reg()
180 static inline int ks8995_write_reg(struct ks8995_switch *ks, u8 addr, u8 val)  in ks8995_write_reg()  argument
184 	return ks8995_write(ks, &buf, addr, 1) != 1;  in ks8995_write_reg()
189 static int ks8995_stop(struct ks8995_switch *ks)  in ks8995_stop()  argument
191 	return ks8995_write_reg(ks, KS8995_REG_ID1, 0);  in ks8995_stop()
194 static int ks8995_start(struct ks8995_switch *ks)  in ks8995_start()  argument
196 	return ks8995_write_reg(ks, KS8995_REG_ID1, 1);  in ks8995_start()
199 static int ks8995_reset(struct ks8995_switch *ks)  in ks8995_reset()  argument
203 	err = ks8995_stop(ks);  in ks8995_reset()
209 	return ks8995_start(ks);  in ks8995_reset()
250 	struct ks8995_switch    *ks;  in ks8995_probe()  local
258 	ks = devm_kzalloc(&spi->dev, sizeof(*ks), GFP_KERNEL);  in ks8995_probe()
259 	if (!ks)  in ks8995_probe()
262 	mutex_init(&ks->lock);  in ks8995_probe()
263 	ks->pdata = pdata;  in ks8995_probe()
264 	ks->spi = spi_dev_get(spi);  in ks8995_probe()
265 	spi_set_drvdata(spi, ks);  in ks8995_probe()
275 	err = ks8995_read(ks, ids, KS8995_REG_ID0, sizeof(ids));  in ks8995_probe()
290 	memcpy(&ks->regs_attr, &ks8995_registers_attr, sizeof(ks->regs_attr));  in ks8995_probe()
295 		err = ks8995_read(ks, &val, KSZ8864_REG_ID1, sizeof(val));  in ks8995_probe()
306 		ks->regs_attr.size = KSZ8864_REGS_SIZE;  in ks8995_probe()
309 	err = ks8995_reset(ks);  in ks8995_probe()
313 	err = sysfs_create_bin_file(&spi->dev.kobj, &ks->regs_attr);  in ks8995_probe()
334 	struct ks8995_switch *ks = spi_get_drvdata(spi);  in ks8995_remove()  local
336 	sysfs_remove_bin_file(&spi->dev.kobj, &ks->regs_attr);  in ks8995_remove()