linux-kernel - [77/78] davinci: DM644x EVM: register MUSB device earlier

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Date:	Mon, 21 Mar 2011 16:02:33 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Sergei Shtylyov <sshtylyov@...mvista.com>,
	Felipe Balbi <balbi@...com>, Kevin Hilman <khilman@...com>
Subject: [77/78] davinci: DM644x EVM: register MUSB device earlier

2.6.38-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Sergei Shtylyov <sshtylyov@...mvista.com>

commit 60d97a840175d3becb2e6de36537a5cdfc0ec3a9 upstream.

The MUSB driver doesn't see its platform device on DM644x EVM board anymore
since commit 73b089b052a69020b953312a624a6e1eb5b81fab (usb: musb: split davinci
to its own platform_driver) because the new probe is called as subsys_initcall()
now, and the device is registered later than that by the board code.  Move the
registration to davinci_evm_init() -- it's safe to do so because the MUSB core
device still gets initialized as fs_initcall() -- which is late enough for the
I2C GPIO expander (which controls VBUS) to be initialized.

Signed-off-by: Sergei Shtylyov <sshtylyov@...mvista.com>
Acked-by: Felipe Balbi <balbi@...com>
Tested-by: Sekhar Nori <nsekhar@...com>
Signed-off-by: Kevin Hilman <khilman@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 arch/arm/mach-davinci/board-dm644x-evm.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -440,11 +440,6 @@ evm_u35_setup(struct i2c_client *client,
 	gpio_request(gpio + 7, "nCF_SEL");
 	gpio_direction_output(gpio + 7, 1);
 
-	/* irlml6401 switches over 1A, in under 8 msec;
-	 * now it can be managed by nDRV_VBUS ...
-	 */
-	davinci_setup_usb(1000, 8);
-
 	return 0;
 }
 
@@ -705,6 +700,9 @@ static __init void davinci_evm_init(void
 	davinci_serial_init(&uart_config);
 	dm644x_init_asp(&dm644x_evm_snd_data);
 
+	/* irlml6401 switches over 1A, in under 8 msec */
+	davinci_setup_usb(1000, 8);
+
 	soc_info->emac_pdata->phy_id = DM644X_EVM_PHY_ID;
 	/* Register the fixup for PHY on DaVinci */
 	phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,


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