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patch "usb: host: ehci-sys: delete useless bus_to_hcd conversion" added to usb-testing

PATCH [email protected] 1 participant 1 message Aug 18, 2015

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This is a note to let you know that I've just added the patch titled

usb: host: ehci-sys: delete useless bus_to_hcd conversion

to my usb git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-testing branch.

The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)

The patch will be merged to the usb-next branch sometime soon, after it passes testing, and the merge window is open.

If you have any questions about this process, please let me know.

Quoted 1 line

From 0521cfd06e1ebcd575e7ae36aab068b38df23850 Mon Sep 17 00:00:00 2001

From: Peter Chen <[email protected]>
Date: Mon, 17 Aug 2015 10:23:03 +0800
Subject: usb: host: ehci-sys: delete useless bus_to_hcd conversion

The ehci platform device's drvdata is the pointer of struct usb_hcd already, so we doesn't need to call bus_to_hcd conversion again.

Cc <[email protected]>
Signed-off-by Peter Chen <[email protected]>
Acked-by Alan Stern <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 drivers/usb/host/ehci-sysfs.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
drivers/usb/host/ehci-sysfs.c +4 -4
index 5e44407aa099..5216f2b09d63 100644
@@ -29,7 +29,7 @@ static ssize_t show_companion(struct device *dev,
 	int			count = PAGE_SIZE;
 	char			*ptr = buf;
 
-	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));
+	ehci = hcd_to_ehci(dev_get_drvdata(dev));
 	nports = HCS_N_PORTS(ehci->hcs_params);
 
 	for (index = 0; index < nports; ++index) {

@@ -54,7 +54,7 @@ static ssize_t store_companion(struct device *dev,
 	struct ehci_hcd		*ehci;
 	int			portnum, new_owner;
 
-	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));
+	ehci = hcd_to_ehci(dev_get_drvdata(dev));
 	new_owner = PORT_OWNER;		/* Owned by companion */
 	if (sscanf(buf, "%d", &portnum) != 1)
 		return -EINVAL;

@@ -85,7 +85,7 @@ static ssize_t show_uframe_periodic_max(struct device *dev,
 	struct ehci_hcd		*ehci;
 	int			n;
 
-	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));
+	ehci = hcd_to_ehci(dev_get_drvdata(dev));
 	n = scnprintf(buf, PAGE_SIZE, "%d\n", ehci->uframe_periodic_max);
 	return n;
 }

@@ -101,7 +101,7 @@ static ssize_t store_uframe_periodic_max(struct device *dev,
 	unsigned long		flags;
 	ssize_t			ret;
 
-	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));
+	ehci = hcd_to_ehci(dev_get_drvdata(dev));
 	if (kstrtouint(buf, 0, &uframe_periodic_max) < 0)
 		return -EINVAL;
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