From: Domen Puncer <domen.puncer@telargo.com>
To: linuxppc-embedded@ozlabs.org
Subject: [PATCH 4/7] mpc52xx suspend: USB
Date: Thu, 1 Mar 2007 08:56:06 +0100 [thread overview]
Message-ID: <20070301075606.GD17184@moe.telargo.com> (raw)
In-Reply-To: <20070301075323.GP4397@moe.telargo.com>
Trivial suspend and resume OF OHCI.
On MPC52xx turn off and on power to ports.
Signed-off-by: Domen Puncer <domen.puncer@telargo.com>
Index: grant.git/drivers/usb/host/ohci-ppc-of.c
===================================================================
--- grant.git.orig/drivers/usb/host/ohci-ppc-of.c
+++ grant.git/drivers/usb/host/ohci-ppc-of.c
@@ -214,6 +214,32 @@ MODULE_DEVICE_TABLE(of, ohci_hcd_ppc_of_
#endif
+#ifdef CONFIG_PM
+static u32 descr_a;
+static int ohci_hcd_ppc_soc_drv_suspend(struct of_device *op,
+ pm_message_t state)
+{
+ struct usb_hcd *hcd = dev_get_drvdata(&op->dev);
+#ifdef CONFIG_PPC_MPC52xx
+ struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+
+ descr_a = in_be32(&ohci->regs->roothub.a);
+ out_be32(&ohci->regs->roothub.a, (descr_a & ~0x200) | 0x100);
+#endif
+ return 0;
+}
+static int ohci_hcd_ppc_soc_drv_resume(struct of_device *op)
+{
+ struct usb_hcd *hcd = dev_get_drvdata(&op->dev);
+#ifdef CONFIG_PPC_MPC52xx
+ struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+
+ out_be32(&ohci->regs->roothub.a, descr_a);
+#endif
+ return 0;
+}
+#endif
+
static struct of_platform_driver ohci_hcd_ppc_of_driver = {
.name = "ppc-of-ohci",
.match_table = ohci_hcd_ppc_of_match,
@@ -221,8 +247,8 @@ static struct of_platform_driver ohci_hc
.remove = ohci_hcd_ppc_of_remove,
.shutdown = ohci_hcd_ppc_of_shutdown,
#ifdef CONFIG_PM
- /*.suspend = ohci_hcd_ppc_soc_drv_suspend,*/
- /*.resume = ohci_hcd_ppc_soc_drv_resume,*/
+ .suspend = ohci_hcd_ppc_soc_drv_suspend,
+ .resume = ohci_hcd_ppc_soc_drv_resume,
#endif
.driver = {
.name = "ppc-of-ohci",
next prev parent reply other threads:[~2007-03-01 7:56 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-01 7:53 [PATCH 0/7] MPC5200 and Lite5200b low power modes Domen Puncer
2007-03-01 7:54 ` [PATCH 1/7] mpc52xx suspend: bestcomm Domen Puncer
2007-03-01 7:55 ` [PATCH 2/7] mpc52xx suspend: UART Domen Puncer
2007-03-01 7:55 ` [PATCH 3/7] mpc52xx suspend: FEC (ethernet) Domen Puncer
2007-03-01 7:56 ` Domen Puncer [this message]
2007-03-01 7:56 ` [PATCH 5/7] mpc52xx suspend: deep-sleep Domen Puncer
2007-03-01 7:57 ` [PATCH 6/7] lite5200b suspend: PIC Domen Puncer
2007-03-01 7:59 ` [u-boot patch] support lite5200b wakeup in u-boot Domen Puncer
2007-03-01 8:49 ` Stefan Roese
2007-03-01 8:00 ` [PATCH 7/7] lite5200b suspend: low-power mode Domen Puncer
2007-03-02 18:57 ` Scott Wood
2007-03-03 7:15 ` Domen Puncer
2007-03-01 14:25 ` [PATCH 0/7] MPC5200 and Lite5200b low power modes Grant Likely
2007-03-01 14:51 ` New Bestcomm/FEC patches (was: Re: [PATCH 0/7] MPC5200 and Lite5200b low power modes) Bartlomiej Sieka
2007-03-02 7:31 ` Domen Puncer
2007-03-02 21:35 ` [PATCH 0/7] MPC5200 and Lite5200b low power modes Sylvain Munaut
2007-03-03 7:33 ` Domen Puncer
2007-03-03 19:58 ` Endianness versus too many byte swaps?? Charles Krinke
2007-03-05 10:53 ` [PATCH 0/7] MPC5200 and Lite5200b low power modes Domen Puncer
2007-03-05 10:58 ` Sylvain Munaut
2007-03-05 20:21 ` Domen Puncer
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