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[2/8] iopoll: Add readl_poll_sleep_timeout

Message ID 20200425110354.12381-3-jagan@amarulasolutions.com (mailing list archive)
State New, archived
Headers show
Series rockchip: Add PCIe host support | expand

Commit Message

Jagan Teki April 25, 2020, 11:03 a.m. UTC 
Add readl poll API with sleep and timeout support.

Cc: Tom Rini <trini@konsulko.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
 include/linux/iopoll.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h
index 0bbd757939..e087f23271 100644
--- a/include/linux/iopoll.h
+++ b/include/linux/iopoll.h
@@ -42,6 +42,9 @@ 
 	(cond) ? 0 : -ETIMEDOUT; \
 })
 
+#define readl_poll_sleep_timeout(addr, val, cond, sleep_us, timeout_us) \
+	readx_poll_timeout(readl, addr, val, cond, sleep_us, timeout_us)
+
 #define readb_poll_timeout(addr, val, cond, timeout_us) \
 	readx_poll_timeout(readb, addr, val, cond, false, timeout_us)