forked from ~ljy/RK356X_SDK_RELEASE
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hc
2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/drivers/tty/cyclades.c
....@@ -556,7 +556,7 @@
556556 		}
557557 		info->idle_stats.recv_idle = jiffies;
558558 	}
559
-	tty_schedule_flip(port);
559
+	tty_flip_buffer_push(port);
560560 
561561 	/* end of service */
562562 	cyy_writeb(info, CyRIR, save_xir & 0x3f);
....@@ -996,7 +996,7 @@
996996 		mod_timer(&info->rx_full_timer, jiffies + 1);
997997 #endif
998998 	info->idle_stats.recv_idle = jiffies;
999
-	tty_schedule_flip(&info->port);
999
+	tty_flip_buffer_push(&info->port);
10001000 
10011001 	/* Update rx_get */
10021002 	cy_writel(&buf_ctrl->rx_get, new_rx_get);
....@@ -1172,7 +1172,7 @@
11721172 		if (delta_count)
11731173 			wake_up_interruptible(&info->port.delta_msr_wait);
11741174 		if (special_count)
1175
-			tty_schedule_flip(&info->port);
1175
+			tty_flip_buffer_push(&info->port);
11761176 	}
11771177 }
11781178 
....@@ -2257,44 +2257,45 @@
22572257 	}
22582258 }				/* set_line_char */
22592259 
2260
-static int cy_get_serial_info(struct cyclades_port *info,
2261
-		struct serial_struct __user *retinfo)
2260
+static int cy_get_serial_info(struct tty_struct *tty,
2261
+				struct serial_struct *ss)
22622262 {
2263
+	struct cyclades_port *info = tty->driver_data;
22632264 	struct cyclades_card *cinfo = info->card;
2264
-	struct serial_struct tmp = {
2265
-		.type = info->type,
2266
-		.line = info->line,
2267
-		.port = (info->card - cy_card) * 0x100 + info->line -
2268
-			cinfo->first_line,
2269
-		.irq = cinfo->irq,
2270
-		.flags = info->port.flags,
2271
-		.close_delay = info->port.close_delay,
2272
-		.closing_wait = info->port.closing_wait,
2273
-		.baud_base = info->baud,
2274
-		.custom_divisor = info->custom_divisor,
2275
-	};
2276
-	return copy_to_user(retinfo, &tmp, sizeof(*retinfo)) ? -EFAULT : 0;
2265
+
2266
+	if (serial_paranoia_check(info, tty->name, "cy_ioctl"))
2267
+		return -ENODEV;
2268
+	ss->type = info->type;
2269
+	ss->line = info->line;
2270
+	ss->port = (info->card - cy_card) * 0x100 + info->line -
2271
+			cinfo->first_line;
2272
+	ss->irq = cinfo->irq;
2273
+	ss->flags = info->port.flags;
2274
+	ss->close_delay = info->port.close_delay;
2275
+	ss->closing_wait = info->port.closing_wait;
2276
+	ss->baud_base = info->baud;
2277
+	ss->custom_divisor = info->custom_divisor;
2278
+	return 0;
22772279 }
22782280 
2279
-static int
2280
-cy_set_serial_info(struct cyclades_port *info, struct tty_struct *tty,
2281
-		struct serial_struct __user *new_info)
2281
+static int cy_set_serial_info(struct tty_struct *tty,
2282
+				struct serial_struct *ss)
22822283 {
2283
-	struct serial_struct new_serial;
2284
+	struct cyclades_port *info = tty->driver_data;
22842285 	int old_flags;
22852286 	int ret;
22862287 
2287
-	if (copy_from_user(&new_serial, new_info, sizeof(new_serial)))
2288
-		return -EFAULT;
2288
+	if (serial_paranoia_check(info, tty->name, "cy_ioctl"))
2289
+		return -ENODEV;
22892290 
22902291 	mutex_lock(&info->port.mutex);
22912292 
22922293 	old_flags = info->port.flags;
22932294 
22942295 	if (!capable(CAP_SYS_ADMIN)) {
2295
-		if (new_serial.close_delay != info->port.close_delay ||
2296
-				new_serial.baud_base != info->baud ||
2297
-				(new_serial.flags & ASYNC_FLAGS &
2296
+		if (ss->close_delay != info->port.close_delay ||
2297
+				ss->baud_base != info->baud ||
2298
+				(ss->flags & ASYNC_FLAGS &
22982299 					~ASYNC_USR_MASK) !=
22992300 				(info->port.flags & ASYNC_FLAGS & ~ASYNC_USR_MASK))
23002301 		{
....@@ -2302,9 +2303,9 @@
23022303 			return -EPERM;
23032304 		}
23042305 		info->port.flags = (info->port.flags & ~ASYNC_USR_MASK) |
2305
-				(new_serial.flags & ASYNC_USR_MASK);
2306
-		info->baud = new_serial.baud_base;
2307
-		info->custom_divisor = new_serial.custom_divisor;
2306
+				(ss->flags & ASYNC_USR_MASK);
2307
+		info->baud = ss->baud_base;
2308
+		info->custom_divisor = ss->custom_divisor;
23082309 		goto check_and_exit;
23092310 	}
23102311 
....@@ -2313,18 +2314,18 @@
23132314 	 * At this point, we start making changes.....
23142315 	 */
23152316 
2316
-	info->baud = new_serial.baud_base;
2317
-	info->custom_divisor = new_serial.custom_divisor;
2317
+	info->baud = ss->baud_base;
2318
+	info->custom_divisor = ss->custom_divisor;
23182319 	info->port.flags = (info->port.flags & ~ASYNC_FLAGS) |
2319
-			(new_serial.flags & ASYNC_FLAGS);
2320
-	info->port.close_delay = new_serial.close_delay * HZ / 100;
2321
-	info->port.closing_wait = new_serial.closing_wait * HZ / 100;
2320
+			(ss->flags & ASYNC_FLAGS);
2321
+	info->port.close_delay = ss->close_delay * HZ / 100;
2322
+	info->port.closing_wait = ss->closing_wait * HZ / 100;
23222323 
23232324 check_and_exit:
23242325 	if (tty_port_initialized(&info->port)) {
2325
-		if ((new_serial.flags ^ old_flags) & ASYNC_SPD_MASK) {
2326
+		if ((ss->flags ^ old_flags) & ASYNC_SPD_MASK) {
23262327 			/* warn about deprecation unless clearing */
2327
-			if (new_serial.flags & ASYNC_SPD_MASK)
2328
+			if (ss->flags & ASYNC_SPD_MASK)
23282329 				dev_warn_ratelimited(tty->dev, "use of SPD flags is deprecated\n");
23292330 		}
23302331 		cy_set_line_char(info, tty);
....@@ -2697,12 +2698,6 @@
26972698 		break;
26982699 	case CYGETWAIT:
26992700 		ret_val = info->port.closing_wait / (HZ / 100);
2700
-		break;
2701
-	case TIOCGSERIAL:
2702
-		ret_val = cy_get_serial_info(info, argp);
2703
-		break;
2704
-	case TIOCSSERIAL:
2705
-		ret_val = cy_set_serial_info(info, tty, argp);
27062701 		break;
27072702 	case TIOCSERGETLSR:	/* Get line status register */
27082703 		ret_val = get_lsr_info(info, argp);
....@@ -3261,7 +3256,7 @@
32613256 			return nboard;
32623257 
32633258 		/* probe for CD1400... */
3264
-		cy_isa_address = ioremap_nocache(isa_address, CyISA_Ywin);
3259
+		cy_isa_address = ioremap(isa_address, CyISA_Ywin);
32653260 		if (cy_isa_address == NULL) {
32663261 			printk(KERN_ERR "Cyclom-Y/ISA: can't remap base "
32673262 					"address\n");
....@@ -3648,7 +3643,7 @@
36483643 	struct cyclades_card *card;
36493644 	void __iomem *addr0 = NULL, *addr2 = NULL;
36503645 	char *card_name = NULL;
3651
-	u32 uninitialized_var(mailbox);
3646
+	u32 mailbox;
36523647 	unsigned int device_id, nchan = 0, card_no, i, j;
36533648 	unsigned char plx_ver;
36543649 	int retval, irq;
....@@ -3695,13 +3690,13 @@
36953690 			device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) {
36963691 		card_name = "Cyclom-Y";
36973692 
3698
-		addr0 = ioremap_nocache(pci_resource_start(pdev, 0),
3693
+		addr0 = ioremap(pci_resource_start(pdev, 0),
36993694 				CyPCI_Yctl);
37003695 		if (addr0 == NULL) {
37013696 			dev_err(&pdev->dev, "can't remap ctl region\n");
37023697 			goto err_reg;
37033698 		}
3704
-		addr2 = ioremap_nocache(pci_resource_start(pdev, 2),
3699
+		addr2 = ioremap(pci_resource_start(pdev, 2),
37053700 				CyPCI_Ywin);
37063701 		if (addr2 == NULL) {
37073702 			dev_err(&pdev->dev, "can't remap base region\n");
....@@ -3717,7 +3712,7 @@
37173712 	} else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Hi) {
37183713 		struct RUNTIME_9060 __iomem *ctl_addr;
37193714 
3720
-		ctl_addr = addr0 = ioremap_nocache(pci_resource_start(pdev, 0),
3715
+		ctl_addr = addr0 = ioremap(pci_resource_start(pdev, 0),
37213716 				CyPCI_Zctl);
37223717 		if (addr0 == NULL) {
37233718 			dev_err(&pdev->dev, "can't remap ctl region\n");
....@@ -3732,7 +3727,7 @@
37323727 
37333728 		mailbox = readl(&ctl_addr->mail_box_0);
37343729 
3735
-		addr2 = ioremap_nocache(pci_resource_start(pdev, 2),
3730
+		addr2 = ioremap(pci_resource_start(pdev, 2),
37363731 				mailbox == ZE_V1 ? CyPCI_Ze_win : CyPCI_Zwin);
37373732 		if (addr2 == NULL) {
37383733 			dev_err(&pdev->dev, "can't remap base region\n");
....@@ -4011,6 +4006,8 @@
40114006 	.tiocmget = cy_tiocmget,
40124007 	.tiocmset = cy_tiocmset,
40134008 	.get_icount = cy_get_icount,
4009
+	.set_serial = cy_set_serial_info,
4010
+	.get_serial = cy_get_serial_info,
40144011 	.proc_show = cyclades_proc_show,
40154012 };
40164013