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From: "Gupta, Ajay Kumar" <ajay.gupta@ti.com>
To: "felipe.balbi@nokia.com" <felipe.balbi@nokia.com>
Cc: "linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
	"gregkh@suse.de" <gregkh@suse.de>
Subject: RE: [PATCH 3/8] musb: fix compilation warning in host only mode
Date: Thu, 24 Jun 2010 16:47:54 +0530	[thread overview]
Message-ID: <19F8576C6E063C45BE387C64729E7394044E9E38CA@dbde02.ent.ti.com> (raw)
In-Reply-To: <20100624060338.GF8078@nokia.com>

> >+#ifdef CONFIG_USB_MUSB_HDRC_HCD
> >+	void __iomem	*mbase = musb->mregs;
> >+#endif
> 
> then you add another ifdef to this file, which is already insane. I'd
> rather see you either keep the local variables and just fix what needs
> to be fixed, 

> or use musb->mregs directly.
This one seems to be a much better one. Copying the v-3 with this fix below.

-------------- cut here --------------------
Fixes below compilation warning when host only configuration is
selected.
drivers/usb/musb/musb_core.c: In function 'musb_stage0_irq':
drivers/usb/musb/musb_core.c:711: warning: unused variable 'mbase'

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
---
 drivers/usb/musb/musb_core.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index a8b0440..ed6e1a4 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -704,7 +704,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
 	if (int_usb & MUSB_INTR_CONNECT) {
 		struct usb_hcd *hcd = musb_to_hcd(musb);
-		void __iomem *mbase = musb->mregs;
 
 		handled = IRQ_HANDLED;
 		musb->is_active = 1;
@@ -717,9 +716,9 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 		if (is_peripheral_active(musb)) {
 			/* REVISIT HNP; just force disconnect */
 		}
-		musb_writew(mbase, MUSB_INTRTXE, musb->epmask);
-		musb_writew(mbase, MUSB_INTRRXE, musb->epmask & 0xfffe);
-		musb_writeb(mbase, MUSB_INTRUSBE, 0xf7);
+		musb_writew(musb->mregs, MUSB_INTRTXE, musb->epmask);
+		musb_writew(musb->mregs, MUSB_INTRRXE, musb->epmask & 0xfffe);
+		musb_writeb(musb->mregs, MUSB_INTRUSBE, 0xf7);
 #endif
 		musb->port1_status &= ~(USB_PORT_STAT_LOW_SPEED
 					|USB_PORT_STAT_HIGH_SPEED
-- 
1.6.2.4
--------------------------------------------

Thanks,
Ajay
> 

  reply	other threads:[~2010-06-24 11:18 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-17 10:40 [patch-2.6.35-rc3+ 0/8] musb patches Ajay Kumar Gupta
2010-06-17 10:40 ` [PATCH 1/8] musb_core: make disconnect and suspend interrupts work again Ajay Kumar Gupta
     [not found]   ` <1276771242-5201-2-git-send-email-ajay.gupta-l0cyMroinI0@public.gmane.org>
2010-06-17 10:40     ` [PATCH 2/8] MUSB: make non-OMAP platforms build with CONFIG_PM=y Ajay Kumar Gupta
2010-06-17 10:40       ` [PATCH 3/8] musb: fix compilation warning in host only mode Ajay Kumar Gupta
     [not found]         ` <1276771242-5201-4-git-send-email-ajay.gupta-l0cyMroinI0@public.gmane.org>
2010-06-17 10:40           ` [PATCH 4/8] USB: musb: suppress warning about unused flags Ajay Kumar Gupta
     [not found]             ` <1276771242-5201-5-git-send-email-ajay.gupta-l0cyMroinI0@public.gmane.org>
2010-06-17 10:40               ` [PATCH 5/8] usb: musb: fix Blackfin ulpi stubs Ajay Kumar Gupta
2010-06-17 10:40                 ` [PATCH 6/8] usb: musb: Enable the maximum supported burst mode for DMA Ajay Kumar Gupta
     [not found]                   ` <1276771242-5201-7-git-send-email-ajay.gupta-l0cyMroinI0@public.gmane.org>
2010-06-17 10:40                     ` [PATCH 7/8] musb: Kill board specific pinmux from driver file Ajay Kumar Gupta
2010-06-17 10:40                       ` [PATCH 8/8] usb: musb: Fix suspend interrupt issue in device mode Ajay Kumar Gupta
     [not found]                         ` <1276771242-5201-9-git-send-email-ajay.gupta-l0cyMroinI0@public.gmane.org>
2010-06-17 10:40                           ` Ajay Kumar Gupta
2010-06-17 11:27                           ` Sergei Shtylyov
     [not found]                             ` <4C1A0687.4080002-hkdhdckH98+B+jHODAdFcQ@public.gmane.org>
2010-06-17 12:15                               ` Maulik
2010-06-17 13:33                                 ` Sergei Shtylyov
     [not found]                                 ` <006501cb0e16$c08bae00$808918ac-wD+IZp/g4/2mHdYHvhjUOg@public.gmane.org>
2010-06-17 14:18                                   ` Greg KH
2010-06-18  5:21                         ` David Brownell
     [not found]                       ` <1276771242-5201-8-git-send-email-ajay.gupta-l0cyMroinI0@public.gmane.org>
2010-06-24  6:11                         ` [PATCH 7/8] musb: Kill board specific pinmux from driver file Felipe Balbi
2010-06-24  6:16                           ` Gadiyar, Anand
2010-06-24  6:11                     ` [PATCH 6/8] usb: musb: Enable the maximum supported burst mode for DMA Felipe Balbi
2010-06-24  6:10                 ` [PATCH 5/8] usb: musb: fix Blackfin ulpi stubs Felipe Balbi
2010-06-24  6:08             ` [PATCH 4/8] USB: musb: suppress warning about unused flags Felipe Balbi
     [not found]               ` <20100624060857.GG8078-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
2010-06-24  9:50                 ` Sergei Shtylyov
     [not found]                   ` <4C232A4C.6040102-hkdhdckH98+B+jHODAdFcQ@public.gmane.org>
2010-06-28 14:24                     ` Felipe Balbi
2010-06-28 17:27                       ` Sergei Shtylyov
2010-06-17 11:18           ` [PATCH 3/8] musb: fix compilation warning in host only mode Sergei Shtylyov
2010-06-17 12:09             ` Gupta, Ajay Kumar
     [not found]               ` <19F8576C6E063C45BE387C64729E7394044E91B843-/tLxBxkBPtCIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2010-06-17 13:24                 ` Sergei Shtylyov
     [not found]                   ` <4C1A2220.7070502-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org>
2010-06-17 14:09                     ` Gupta, Ajay Kumar
2010-06-24  6:03           ` Felipe Balbi
2010-06-24 11:17             ` Gupta, Ajay Kumar [this message]
2010-06-24 13:10               ` Sergei Shtylyov
     [not found]                 ` <4C235929.9030605-hkdhdckH98+B+jHODAdFcQ@public.gmane.org>
2010-06-24 14:36                   ` Gupta, Ajay Kumar
2010-07-06  9:12                 ` Felipe Balbi
2010-07-06  9:13               ` Felipe Balbi
2010-07-07 22:01                 ` Greg KH
2010-07-08  1:53                   ` Gupta, Ajay Kumar
     [not found]                     ` <19F8576C6E063C45BE387C64729E7394044EB95AE0-/tLxBxkBPtCIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2010-07-08  3:35                       ` Greg KH
2010-06-24  6:02       ` [PATCH 2/8] MUSB: make non-OMAP platforms build with CONFIG_PM=y Felipe Balbi
2010-06-24  6:01     ` [PATCH 1/8] musb_core: make disconnect and suspend interrupts work again Felipe Balbi
     [not found]       ` <20100624060151.GD8078-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
2010-06-24 17:01         ` Greg KH
     [not found] ` <1276771242-5201-1-git-send-email-ajay.gupta-l0cyMroinI0@public.gmane.org>
2010-06-17 14:17   ` [patch-2.6.35-rc3+ 0/8] musb patches Greg KH
2010-06-17 14:26     ` Gupta, Ajay Kumar

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