Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1664866

[PATCH v2 2/2] regmap: Avoid namespace collision within macro & tidyup

From Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Newsgroups linux.kernel
Subject [PATCH v2 2/2] regmap: Avoid namespace collision within macro & tidyup
Date 2017-06-13 15:50 +0200
Message-ID <tRUmK-ap-35@gated-at.bofh.it> (permalink)
References <tRUmJ-ap-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Renamed variable "timeout" to "__timeout" & "pollret" to "__ret" to
avoid namespace collision. Tidy up macro arguments with paranthesis.

Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
---
 include/linux/regmap.h | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 86eeacc1425a..ebc7282abc80 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -120,23 +120,24 @@ struct reg_sequence {
  */
 #define regmap_read_poll_timeout(map, addr, val, cond, sleep_us, timeout_us) \
 ({ \
-	ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \
-	int pollret; \
+	ktime_t __timeout = ktime_add_us(ktime_get(), timeout_us); \
+	int __ret; \
 	might_sleep_if(sleep_us); \
 	for (;;) { \
-		pollret = regmap_read((map), (addr), &(val)); \
-		if (pollret) \
+		__ret = regmap_read((map), (addr), &(val)); \
+		if (__ret) \
 			break; \
 		if (cond) \
 			break; \
-		if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \
-			pollret = regmap_read((map), (addr), &(val)); \
+		if ((timeout_us) && \
+		    ktime_compare(ktime_get(), __timeout) > 0) { \
+			__ret = regmap_read((map), (addr), &(val)); \
 			break; \
 		} \
 		if (sleep_us) \
-			usleep_range((sleep_us >> 2) + 1, sleep_us); \
+			usleep_range(((sleep_us) >> 2) + 1, sleep_us); \
 	} \
-	pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
+	__ret ?: ((cond) ? 0 : -ETIMEDOUT); \
 })
 
 #ifdef CONFIG_REGMAP
-- 
2.12.2

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH v2 0/2] Avoid namespace collision within macros & tidyup Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> - 2017-06-13 15:50 +0200
  [PATCH v2 2/2] regmap: Avoid namespace collision within macro & tidyup Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> - 2017-06-13 15:50 +0200
  [PATCH v2 1/2] iopoll: Avoid namespace collision within macros & tidyup Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> - 2017-06-13 15:50 +0200
    Re: [PATCH v2 1/2] iopoll: Avoid namespace collision within macros & tidyup Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-13 16:20 +0200
  Re: [PATCH v2 0/2] Avoid namespace collision within macros & tidyup Ian Arkver <ian.arkver.dev@gmail.com> - 2017-06-14 08:50 +0200
    RE: [PATCH v2 0/2] Avoid namespace collision within macros & tidyup Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> - 2017-06-14 09:20 +0200
      Re: [PATCH v2 0/2] Avoid namespace collision within macros & tidyup Ian Arkver <ian.arkver.dev@gmail.com> - 2017-06-14 09:30 +0200

csiph-web