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Commit 42845708 authored by Thierry Reding's avatar Thierry Reding Committed by Mauro Carvalho Chehab
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[media] tm6000: Add fast USB access quirk 



Some devices support fast access to registers using the USB interface
while others require a certain delay after each operation. This commit
adds a quirk that can be enabled by devices that don't need the delay.

Signed-off-by: default avatarThierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 0a54b86a

drivers/staging/tm6000/tm6000-core.c

+2 −1
Original line number Diff line number Diff line
@@ -619,6 +619,7 @@ int tm6000_reset(struct tm6000_core *dev) 
		return err;

	}



	if ((dev->quirks & TM6000_QUIRK_NO_USB_DELAY) == 0)

		msleep(5);



	/*

drivers/staging/tm6000/tm6000.h

+4 −0
Original line number Diff line number Diff line
@@ -169,6 +169,8 @@ struct tm6000_endpoint { 
	unsigned			maxsize;

};



#define TM6000_QUIRK_NO_USB_DELAY (1 << 0)



struct tm6000_core {

	/* generic device properties */

	char				name[30];	/* name (including minor) of the device */
@@ -260,6 +262,8 @@ struct tm6000_core { 
	struct usb_isoc_ctl          isoc_ctl;



	spinlock_t                   slock;



	unsigned long quirks;

};



enum tm6000_ops_type {