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 10/20] usb: Add a slice to usb host controllers
Date: Mon, 25 May 2020 12:33:39 +0200 [thread overview]
Message-ID: <20200525103349.19449-11-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20200525103349.19449-1-s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/usb/core/usb.c | 7 +++++++
include/usb/usb.h | 7 +++++++
2 files changed, 14 insertions(+)
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 30c251f405..8475295266 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -78,11 +78,16 @@ 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--;
}
@@ -92,11 +97,13 @@ 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;
}
void usb_unregister_host(struct usb_host *host)
{
+ slice_exit(&host->slice);
list_del(&host->list);
}
diff --git a/include/usb/usb.h b/include/usb/usb.h
index c2085eae87..1b51a00ddc 100644
--- a/include/usb/usb.h
+++ b/include/usb/usb.h
@@ -20,6 +20,7 @@
#define _USB_H_
#include <driver.h>
+#include <slice.h>
#include <usb/ch9.h>
#include <usb/ch11.h>
#include <usb/usb_defs.h>
@@ -165,11 +166,17 @@ 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);
--
2.26.2
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next prev parent reply other threads:[~2020-05-25 10:33 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-25 10:33 [PATCH v2 00/20] Slices and fastboot over UDP Sascha Hauer
2020-05-25 10:33 ` [PATCH 01/20] poller: Give pollers a name Sascha Hauer
2020-05-25 10:33 ` [PATCH 02/20] poller: Add a poller command Sascha Hauer
2020-05-25 10:33 ` [PATCH 03/20] fastboot: split generic code from USB gadget Sascha Hauer
2020-05-25 10:33 ` [PATCH 04/20] fastboot: don't close fd 0 when downloading to ram Sascha Hauer
2020-05-25 10:33 ` [PATCH 05/20] fastboot: Use unique tempfile name Sascha Hauer
2020-05-25 10:33 ` [PATCH 06/20] Introduce slices Sascha Hauer
2020-05-25 10:33 ` [PATCH 07/20] Introduce idle slice Sascha Hauer
2020-05-25 10:33 ` [PATCH 08/20] net: Add a slice to struct eth_device Sascha Hauer
2020-05-25 10:33 ` [PATCH 09/20] net: mdiobus: Add slice Sascha Hauer
2020-05-25 10:33 ` Sascha Hauer [this message]
2020-05-25 10:33 ` [PATCH 11/20] usbnet: " Sascha Hauer
2020-05-25 10:33 ` [PATCH 12/20] net: Call net_poll() in a poller Sascha Hauer
2020-05-25 10:33 ` [PATCH 13/20] net: reply to ping requests Sascha Hauer
2020-05-25 10:33 ` [PATCH 14/20] usbnet: Be more friendly in the receive path Sascha Hauer
2020-05-25 10:33 ` [PATCH 15/20] poller: Allow to run pollers inside of pollers Sascha Hauer
2020-05-25 10:33 ` [PATCH 16/20] defconfigs: update renamed fastboot options Sascha Hauer
2020-05-25 10:33 ` [PATCH 17/20] globalvar: Add helper for deprecated variable names Sascha Hauer
2020-05-25 17:27 ` Ahmad Fatoum
2020-05-25 10:33 ` [PATCH 18/20] fastboot: rename usbgadget.fastboot_* variables to fastboot.* Sascha Hauer
2020-05-25 10:33 ` [PATCH 19/20] fastboot net: implement fastboot over UDP Sascha Hauer
2020-05-25 10:33 ` [PATCH 20/20] fastboot net: remove may_send Sascha Hauer
2020-05-25 19:45 ` Daniel Glöckner
2020-05-26 6:02 ` Sascha Hauer
2020-06-15 16:36 ` Daniel Glöckner
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