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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Cc: "Edmund Henniges" <eh@emlix.com>, "Daniel Glöckner" <dg@emlix.com>
Subject: [PATCH 10/19] usb: Add a slice to usb host controllers
Date: Thu, 12 Mar 2020 09:35:46 +0100	[thread overview]
Message-ID: <20200312083555.10793-11-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20200312083555.10793-1-s.hauer@pengutronix.de>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/usb/core/usb.c | 6 ++++++
 include/usb/usb.h      | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 1c3dcb79a8..bc122f7d7a 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -83,11 +83,16 @@ static inline int usb_host_acquire(struct usb_host *host)
 	if (host->sem)
 		return -EAGAIN;
 	host->sem++;
+
+	slice_acquire(&host->slice);
+
 	return 0;
 }
 
 static inline void usb_host_release(struct usb_host *host)
 {
+	slice_release(&host->slice);
+
 	if (host->sem > 0)
 		host->sem--;
 }
@@ -97,6 +102,7 @@ int usb_register_host(struct usb_host *host)
 	list_add_tail(&host->list, &host_list);
 	host->busnum = host_busnum++;
 	host->sem = 0;
+	slice_init(&host->slice, dev_name(host->hw_dev));
 	return 0;
 }
 
diff --git a/include/usb/usb.h b/include/usb/usb.h
index 95dedfd5b7..d730578fd7 100644
--- a/include/usb/usb.h
+++ b/include/usb/usb.h
@@ -23,6 +23,7 @@
 #define _USB_H_
 
 #include <driver.h>
+#include <slice.h>
 #include <usb/ch9.h>
 #include <usb/ch11.h>
 #include <usb/usb_defs.h>
@@ -154,11 +155,17 @@ struct usb_host {
 	struct usb_device *root_dev;
 	int sem;
 	struct usb_phy *usbphy;
+	struct slice slice;
 };
 
 int usb_register_host(struct usb_host *);
 void usb_unregister_host(struct usb_host *host);
 
+static inline struct slice *usb_device_slice(struct usb_device *udev)
+{
+	return &udev->host->slice;
+}
+
 int usb_host_detect(struct usb_host *host);
 
 int usb_set_protocol(struct usb_device *dev, int ifnum, int protocol);
-- 
2.25.1


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  parent reply	other threads:[~2020-03-12  8:36 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-12  8:35 [PATCH v3 00/19] Protect code from pollers Sascha Hauer
2020-03-12  8:35 ` [PATCH 01/19] net: fec_imx: Do not clear MII interrupt during receive Sascha Hauer
2020-03-12  8:35 ` [PATCH 02/19] miitool: Use mdiobus_read() Sascha Hauer
2020-03-12  8:35 ` [PATCH 03/19] net: phy: mdio-mux: Use mdiobus_read/write() Sascha Hauer
2020-03-12  8:35 ` [PATCH 04/19] net: Open ethernet devices explicitly Sascha Hauer
2020-03-12  8:35 ` [PATCH 05/19] poller: Give pollers a name Sascha Hauer
2020-03-12  8:35 ` [PATCH 06/19] poller: Add a poller command Sascha Hauer
2020-03-12  8:35 ` [PATCH 07/19] Introduce slices Sascha Hauer
2020-03-12  8:35 ` [PATCH 08/19] net: Add a slice to struct eth_device Sascha Hauer
2020-03-12  8:35 ` [PATCH 09/19] net: mdiobus: Add slice Sascha Hauer
2020-03-12  8:35 ` Sascha Hauer [this message]
2020-03-12  8:35 ` [PATCH 11/19] usbnet: " Sascha Hauer
2020-03-12  8:35 ` [PATCH 12/19] net: Call net_poll() in a poller Sascha Hauer
2020-03-12  8:35 ` [PATCH 13/19] net: reply to ping requests Sascha Hauer
2020-03-12  8:35 ` [PATCH 14/19] usbnet: Be more friendly in the receive path Sascha Hauer
2020-03-12  8:35 ` [PATCH 15/19] net: phy: Also print link down messages Sascha Hauer
2020-03-12  8:35 ` [PATCH 16/19] net: ifup command: add ethernet device completion Sascha Hauer
2020-03-12  8:35 ` [PATCH 17/19] net: phy: Do not claim the link is up initially Sascha Hauer
2020-03-12  8:35 ` [PATCH 18/19] net: Add ifdown support and command Sascha Hauer
2020-03-12  8:35 ` [PATCH 19/19] poller: Allow to run pollers inside of pollers Sascha Hauer
2020-03-12 22:36   ` Daniel Glöckner
2020-03-16  8:04     ` Sascha Hauer
2020-04-07 19:28       ` Daniel Glöckner
2020-04-22  7:40         ` Sascha Hauer
2020-05-08 17:42           ` Daniel Glöckner
2020-05-20  9:43 [PATCH 00/19] Slices and fastboot over UDP Sascha Hauer
2020-05-20  9:43 ` [PATCH 10/19] usb: Add a slice to usb host controllers Sascha Hauer

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