linux-kernel - [PATCH] usb: isp1760: use msecs_to

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Message-Id: <1423217334-7128-1-git-send-email-hofrat@osadl.org>
Date:	Fri,  6 Feb 2015 05:08:53 -0500
From:	Nicholas Mc Guire <hofrat@...dl.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Felipe Balbi <balbi@...com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Nicholas Mc Guire <hofrat@...dl.org>
Subject: [PATCH] usb: isp1760: use msecs_to_jiffies for time conversion

This is only an API consolidation and should make things more readable
it replaces var * HZ / 1000 by msecs_to_jiffies(var).

Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>
---

Patch was only compile tested with x86_64_defconfig + CONFIG_USB_ISP1760=m

Patch is against 3.19.0-rc7 (localversion-next is -next-20150204)

 drivers/usb/isp1760/isp1760-hcd.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c
index eba9b82..3cb98b1 100644
--- a/drivers/usb/isp1760/isp1760-hcd.c
+++ b/drivers/usb/isp1760/isp1760-hcd.c
@@ -1274,7 +1274,7 @@ static void errata2_function(unsigned long data)
 	for (slot = 0; slot < 32; slot++)
 		if (priv->atl_slots[slot].qh && time_after(jiffies,
 					priv->atl_slots[slot].timestamp +
-					SLOT_TIMEOUT * HZ / 1000)) {
+					msecs_to_jiffies(SLOT_TIMEOUT))) {
 			ptd_read(hcd->regs, ATL_PTD_OFFSET, slot, &ptd);
 			if (!FROM_DW0_VALID(ptd.dw0) &&
 					!FROM_DW3_ACTIVE(ptd.dw3))
@@ -1286,7 +1286,7 @@ static void errata2_function(unsigned long data)
 
 	spin_unlock_irqrestore(&priv->lock, spinflags);
 
-	errata2_timer.expires = jiffies + SLOT_CHECK_PERIOD * HZ / 1000;
+	errata2_timer.expires = jiffies + msecs_to_jiffies(SLOT_CHECK_PERIOD);
 	add_timer(&errata2_timer);
 }
 
@@ -1336,7 +1336,7 @@ static int isp1760_run(struct usb_hcd *hcd)
 		return retval;
 
 	setup_timer(&errata2_timer, errata2_function, (unsigned long)hcd);
-	errata2_timer.expires = jiffies + SLOT_CHECK_PERIOD * HZ / 1000;
+	errata2_timer.expires = jiffies + msecs_to_jiffies(SLOT_CHECK_PERIOD);
 	add_timer(&errata2_timer);
 
 	chipid = reg_read32(hcd->regs, HC_CHIP_ID_REG);
-- 
1.7.10.4

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