Merge tag 'tty-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here's the tty and serial driver patches for 4.2-rc1.

  A number of individual driver updates, some code cleanups, and other
  minor things, full details in the shortlog.

  All have been in linux-next for a while with no reported issues"

* tag 'tty-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (152 commits)
  Doc: serial-rs485.txt: update RS485 driver interface
  Doc: tty.txt: remove mention of the BKL
  MAINTAINERS: tty: add serial docs directory
  serial: sprd: check for NULL after calling devm_clk_get
  serial: 8250_pci: Correct uartclk for xr17v35x expansion chips
  serial: 8250_pci: Add support for 12 port Exar boards
  serial: 8250_uniphier: add bindings document for UniPhier UART
  serial: core: cleanup in uart_get_baud_rate()
  serial: stm32-usart: Add STM32 USART Driver
  tty/serial: kill off set_irq_flags usage
  tty: move linux/gsmmux.h to uapi
  doc: dt: add documentation for nxp,lpc1850-uart
  serial: 8250: add LPC18xx/43xx UART driver
  serial: 8250_uniphier: add UniPhier serial driver
  serial: 8250_dw: support ACPI platforms with integrated DMA engine
  serial: of_serial: check the return value of clk_prepare_enable()
  serial: of_serial: use devm_clk_get() instead of clk_get()
  serial: earlycon: Add support for big-endian MMIO accesses
  serial: sirf: use hrtimer for data rx
  serial: sirf: correct the fifo empty_bit
  ...

1 files changed, 37 insertions, 23 deletions

diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c
index 59b25e039968..c8c91f0476a2 100644
--- a/drivers/tty/vt/consolemap.c
+++ b/drivers/tty/vt/consolemap.c
@@ -261,19 +261,22 @@ u16 inverse_translate(struct vc_data *conp, int glyph, int use_unicode)
 	int m;
 	if (glyph < 0 || glyph >= MAX_GLYPH)
 		return 0;
-	else if (!(p = *conp->vc_uni_pagedir_loc))
-		return glyph;
-	else if (use_unicode) {
-		if (!p->inverse_trans_unicode)
+	else {
+		p = *conp->vc_uni_pagedir_loc;
+		if (!p)
 			return glyph;
-		else
-			return p->inverse_trans_unicode[glyph];
-	} else {
-		m = inv_translate[conp->vc_num];
-		if (!p->inverse_translations[m])
-			return glyph;
-		else
-			return p->inverse_translations[m][glyph];
+		else if (use_unicode) {
+			if (!p->inverse_trans_unicode)
+				return glyph;
+			else
+				return p->inverse_trans_unicode[glyph];
+			} else {
+			m = inv_translate[conp->vc_num];
+			if (!p->inverse_translations[m])
+				return glyph;
+			else
+				return p->inverse_translations[m][glyph];
+			}
 	}
 }
 EXPORT_SYMBOL_GPL(inverse_translate);
@@ -397,7 +400,8 @@ static void con_release_unimap(struct uni_pagedir *p)
 
 	if (p == dflt) dflt = NULL;  
 	for (i = 0; i < 32; i++) {
-		if ((p1 = p->uni_pgdir[i]) != NULL) {
+		p1 = p->uni_pgdir[i];
+		if (p1 != NULL) {
 			for (j = 0; j < 32; j++)
 				kfree(p1[j]);
 			kfree(p1);
@@ -473,14 +477,16 @@ con_insert_unipair(struct uni_pagedir *p, u_short unicode, u_short fontpos)
 	int i, n;
 	u16 **p1, *p2;
 
-	if (!(p1 = p->uni_pgdir[n = unicode >> 11])) {
+	p1 = p->uni_pgdir[n = unicode >> 11];
+	if (!p1) {
 		p1 = p->uni_pgdir[n] = kmalloc(32*sizeof(u16 *), GFP_KERNEL);
 		if (!p1) return -ENOMEM;
 		for (i = 0; i < 32; i++)
 			p1[i] = NULL;
 	}
 
-	if (!(p2 = p1[n = (unicode >> 6) & 0x1f])) {
+	p2 = p1[n = (unicode >> 6) & 0x1f];
+	if (!p2) {
 		p2 = p1[n] = kmalloc(64*sizeof(u16), GFP_KERNEL);
 		if (!p2) return -ENOMEM;
 		memset(p2, 0xff, 64*sizeof(u16)); /* No glyphs for the characters (yet) */
@@ -569,10 +575,12 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
 		 * entries from "p" (old) to "q" (new).
 		 */
 		l = 0;		/* unicode value */
-		for (i = 0; i < 32; i++)
-		if ((p1 = p->uni_pgdir[i]))
-			for (j = 0; j < 32; j++)
-			if ((p2 = p1[j])) {
+		for (i = 0; i < 32; i++) {
+		p1 = p->uni_pgdir[i];
+		if (p1)
+			for (j = 0; j < 32; j++) {
+			p2 = p1[j];
+			if (p2) {
 				for (k = 0; k < 64; k++, l++)
 				if (p2[k] != 0xffff) {
 					/*
@@ -593,9 +601,11 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
 				/* Account for row of 64 empty entries */
 				l += 64;
 			}
+		}
 		else
 			/* Account for empty table */
 			l += 32 * 64;
+		}
 
 		/*
 		 * Finished copying font table, set vc_uni_pagedir to new table
@@ -735,10 +745,12 @@ int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct uni
 	ect = 0;
 	if (*vc->vc_uni_pagedir_loc) {
 		p = *vc->vc_uni_pagedir_loc;
-		for (i = 0; i < 32; i++)
-		if ((p1 = p->uni_pgdir[i]))
-			for (j = 0; j < 32; j++)
-			if ((p2 = *(p1++)))
+		for (i = 0; i < 32; i++) {
+		p1 = p->uni_pgdir[i];
+		if (p1)
+			for (j = 0; j < 32; j++) {
+			p2 = *(p1++);
+			if (p2)
 				for (k = 0; k < 64; k++) {
 					if (*p2 < MAX_GLYPH && ect++ < ct) {
 						__put_user((u_short)((i<<11)+(j<<6)+k),
@@ -749,6 +761,8 @@ int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct uni
 					}
 					p2++;
 				}
+			}
+		}
 	}
 	__put_user(ect, uct);
 	console_unlock();